(Informal) An aerodrome.

(dated, informal, military, World War II) The German Messerschmitt 109 fighter aircraft.

(aviation) A Boeing airplane model, number seven thirty-seven, sold to airlines for passenger or cargo transportation.

(aviation) A Boeing airplane, model number seven forty-seven, sold to airlines for passenger or cargo transportation.

(aviation) A Boeing 757 aeroplane.

(aviation) A Boeing 777, a widebody twinjet used for commercial airlines.

(US, military) Skyraider single engine general-purpose attack aircraft.

(aviation) The Agusta A.106 prototype helicopter, which never made it into pre-production.

(aviation) The Agusta A109 twin-engine utility helicopter.

(US, military, historical) Fokker A-2 air ambulance that did not see production.

(military) Lansen single seat fighter craft, used from 1955-1997.

(military) Skyhawk single engine attack aircraft.

(military) Vigilante supersonic attack aircraft.

(military) Intruder twin engine low-altitude attack aircraft.

(military) The strike version of the Saab 105 twin-engine training aircraft.

(military) Corsair single engine light attack bomber.

aircraft; airplane

(aeronautical jargon) Initialism of aircraft. [A vehicle capable of atmospheric flight due to interaction with the air, such as buoyancy or lift]

A common nickname suggesting skill, particularly among airplane pilots.

(aviation) Wet lease.

(aviation) The phenomenon whereby rolling an aircraft to start a turn in one direction increases the drag on the upgoing wing on the outside of the turn, creating a tendency (especially at low airspeed and high angle of attack) for the aircraft to yaw out of the turn, and, instead, begin to turn in the direction opposite that desired.

(aviation) A system allowing airplane pilots to communicate with flight control staff on the ground.

(aviation) Pertaining to a vehicle which travels through the air; airborne; relating to or conducted by means of aircraft.

An aerial work platform.

(aviation, obsolete) aerial navigation; aeronautics; aviation

(obsolete) One who operates a flying machine; a balloonist or aviator.

(uncountable) Aerospace.

Alternative form of aeroclub [A flying club; an organization for aircraft pilots.]

(aviation) To perform aerobatics.

Having to do with acrobatic maneuvers, such as spins, twirls, and flips, performed by an airplane.

(dated) A bomb dropped from an aircraft.

An autonomous flying robot used in the context of unmanned space probes for research within planetary atmospheres.

A mechanism for aerobraking.

(astronautics) The use of atmospheric drag to reduce the velocity of a spacecraft, especially so as to establish a stable orbit and to reduce fuel consumption.

(UK, aviation) Alternative form of airbridge: an elevated corridor connecting an airport to a plane. [The route and aircraft used to deliver material by an airlift.]

(dated) airbus; passenger airliner

(astronautics) A form of aerobraking in which a spacecraft uses atmospheric drag to decelerate from a hyperbolic trajectory into a closed orbit, eliminating the need for a large orbital-insertion burn and requiring only small correction burns to raise the spacecraft's periapsis out of the atmosphere.

A flying club; an organization for aircraft pilots.

A sport that combines martial arts with aerobics

(dated or nonstandard) An aircraft.

(aviation, historical) A kind of early aeroplane with curved surfaces.

A one-man helicopter proposed for use by infantrymen

(dated) glider (aircraft)

the study of the stability of aircraft in flight, especially the study of gliders

(law, Australia, Canada, term of art) Any area of land or water used for aircraft operation, regardless of facilities.

(obsolete) The science of flying airplanes

(aviation) A heavier-than-air aircraft, deriving its lift from motion.

Alternative spelling of aero engine [aircraft engine]

An engineer in the aircraft industry.

The largest airline in Russia.

Having an aerofoil.

(papercraft) airborne origami

(dated, rare) A telegram whose transmission included at least one segment sent via airplane.

Alternative spelling of aerogram [(dated) A wireless message.]

A kind of airbrush.

(dated) An antiaircraft cannon.

The study of the air and of the atmosphere and technological methods involved. Used in the US Navy until early 1957 to encompass operations as well as scientific knowledge.

(obsolete) air mail

A mechanic in the aircraft industry

Alternative form of aeromodelling [The building and flying of model aircraft]

model aircraft maker

The building and flying of model aircraft

(archaic) A dirigible balloon.

A person who travels through the air in an airship or balloon.

The design, construction, mathematics and mechanics of aircraft and other flying objects

The practice of aeronautic travel.

that moves both on sea and in the air

The navigation through air; aerial navigation.

(aviation, medicine, pathology) A disorder afflicting pilots and members of aviation crews, characterized by exhaustion, fearfulness, and other symptoms of physical and emotional distress, associated with prolonged flying times and stressful flight conditions.

A visitor attraction where aeroplanes are on display.

(aeronautics, archaic) An airfoil.

(UK) Synonym of airplane mode

(archaic) An aeroplane pilot.

(dated) An airport.

The industry concerned with aircraft, missiles, satellites and spacecraft.

Synonym of spaceplane

Any of several forms of rocket engine having specialized nozzles.

An aircraft, such as a dirigible or balloon, that derives its lift from buoyancy rather than from wings or rotors.

(obsolete) Aerial navigation; the art of raising and guiding balloons in the air.

(historical) Powered by both heated air and steam.

Any component or subsystem of the airframe of an aircraft

aeronautics (aeronautic technology)

The technology behind airplanes and similar flying machines.

The launching of a glider by being towed behind a powered aircraft

A train that is supported on a cushion of air, in the manner of a hovercraft.

A city that has grown up around a pre-existing airport.

(archaic) aeroboat

The hinged part on the trailing edge of an airplane wing, used to control longitudinal turns.

(aviation) An aerobatic maneuver in which the aircraft performs a full 360° revolution about its longitudinal axis.

An aircraft (especially a form of helicopter) equipped as an ambulance

Alternative form of airbridge. [The route and aircraft used to deliver material by an airlift.]

Cargo (freight) that is carried by air.

A company in the business of providing air transport to the public.

Alternative form of air-cushion vehicle [A hovercraft.]

an airplane used by the President of the United States

An aerogram; a letter sent by airmail.

Alternative form of airmail [(transitive) To send mail by air.]

(aviation, historical) A large sign painted on a roof indicating directions and distances to assist pilots in navigating.

the science and technology of determining the position of an aircraft with respect to the surface of the earth and accurately maintaining a desired course

(transport) An active pneumatic suspension system for a vehicle.

An ultralight helicopter.

(Scouting) The collective activities of Air Scouts, members of the Scouting movement with a particular emphasis on aviation.

(transitive) To transport (goods) by air.

a public display of stunt flying, aerobatics, and historical aircraft.

Any recreational activity performed in flight or during freefall from a flight through the atmosphere.

A small aircraft that makes short passenger flights, especially to destinations not serviced by airlines.

The transport of people and/or cargo by air

a jet engine where a gas generator drives the turbine that drives the inlet compressor

A hovercraft.

To ship cargo by the use of aircraft.

Alternative spelling of airmobile [Capable of being moved by air.]

(aviation, of an act or action) With the participants being two or more aircraft in flight.

Alternative spelling of air base [(military) A military airport, providing housing and support for aircraft and personnel.]

(transport) A waybill for cargo being shipped by air.

Fitted to an aircraft.

(aviation) A movable control surface that extends to increase drag without affecting lift (unlike a spoiler); a device that provides aerodynamic braking.

An airbreathing aircraft engine

The route and aircraft used to deliver material by an airlift.

A subsonic jet airliner, especially a wide-bodied one.

(science fiction) A car capable of flight.

(aviation) An airliner offering relatively cheap but cramped passenger flights.

Alternative form of air cover. [(military) protection (of land or sea operations) by aircraft]

A vehicle capable of atmospheric flight due to interaction with the air, such as buoyancy or lift

(aviation) The orientation of an aircraft with respect to the horizon.

Any engine used to propel an aircraft, including jet engines and rocket engines etc.

A heavy-lift helicopter

A location where aircraft are operated, usually having a runway and maintenance facilities.

To delivery goods, equipment, or personnel by dropping them from an aircraft in flight.

A structure shaped to produce lift when moving in air.

(aviation) maker of airframes, aircraft manufacturer

The transportation of freight by air.

(UK, historical) A form of airmail used to send messages to servicemen during the Second World War.

(by extension) A (usually temporary) landing area for aircraft for supplying a non-military operation.

(transitive, military) To transport (troops, etc.) to a place by aircraft, landing there rather than using parachutes.

Alternative spelling of air lane [A designated route used by commercial aircraft when flying from one airport to another.]

An aerogram.

The transportation of troops, civilians or supplies by air, especially in an emergency.

An aircraft that performs airlifts.

A way of traveling between two places in planes or helicopters.

The system of conveying mail using aircraft.

Any aircraft used to send airmail

Skill in and knowledge of the work of navigating and operating an aircraft.

being well-disposed to aviation

Capable of being moved by air.

An air-to-ground telephone service for passengers on airline flights.

(US, Canada, Philippines) A powered heavier-than-air aircraft with fixed wings.

Synonym of airmail

Airborne military power; an air force.

(aviation) A lighter-than-air aircraft that can be propelled forward through the air as well as steered.

(aviation, nautical, historical) A ship used to support operations of a blimp or dirigible

A controlled form of natural language based on English and designed to facilitate communication between aircraft pilots and air traffic controllers.

(aviation) A designated landing site for helicopters.

A view from the air; a photograph taken from an aircraft.

(military) A war fought predominantly by aircraft.

(aviation, law) A regulation issued by the civil aviation authority of a country or region, generally in response to the discovery of an unsafe condition affecting particular aircraft, requiring that certain actions (such as specified modifications or enhanced maintenance or inspection requirements) be performed on these aircraft in order for them to remain legally airworthy.

(childish) An airplane.

(aeronautics) On rotorcraft, a hinge perpendicular to the plane of rotor rotation about which the blades trail or lag.

(aviation) The maximum angle of attack (AoA), maximum nose-up angle. The highest degree of displacement from (relative) horizontal (the airstream, not the ground level, nor the theoretical flat gravitational surface), that an airplane can achieve and still maintain forward flight (without stalling), at the speed that the aircraft is travelling.

(colloquial, dated) An unidentified flying object detected by air traffic control radar.

(aeronautics) The angle between the chord line of an airfoil and the airflow over it; one of the determiners of the amount of lift produced by an airfoil.

(aeronautics) the downward slope of an aircraft’s wing

(military) Intended for use against helicopters.

A proposed form of rocket that would use antimatter as direct or indirect propellant

Describing the rotor on the tail of a helicopter that prevents the helicopter from spinning in a direction opposite to that of the main rotor blades

(NASA, space science) A United States space program, and the vehicles it created, used for human travel to the moon.

(historical) A set of scientific equipments used at the landing sites of the last few Apollo missions to the Moon

A specific procedure used for approaching and landing at an airport.

A rule stating that an airplane designed with the same cross-sectional area distribution in the longitudinal direction as the Sears-Haack body generates the same wave drag as this body, largely independent of the actual shape; used in aerodynamics to reduce drag, typically by narrowing the fuselage at the wing roots.

(aviation, military) A system used to quickly decelerate a landing aircraft, essential for landing on an aircraft carrier (although land-based airfields can also be equipped with arresting gear); the most common system consists of a series of transverse wire ropes designed to snag an aircraft's tailhook, connected to a hydraulic or mechanical energy-absorbing system, but other systems exist (typically only for use in an emergency situation) which use a net to slow down an aircraft.

(NASA, space science) A United States space program, and the associated vehicles, used for human travel to the moon in the 2020s.

(aviation) An instrument that displays the pitch and roll of an aircraft in flight by comparing its attitude to a gyroscopically-maintained indication of the flat horizon line.

A simple jet engine consisting essentially of a tube with a means of delivering fuel and ignition into the tube. The engine can only be started in a fast airflow. This type of engine is expected to be able to provide cruising speeds at Mach numbers of around 5 to 7 (5 to 7 times the speed of sound).

(astronautics, military, US) The SM-65, an early ICBM, soon developed into a long-lived orbital launch vehicle series.

A tactical military aircraft designed to carry out precise airstrikes against ground or naval targets

(aviation) A form of autopilot-controlled landing in which the pilot controls the roll and yaw axes manually while the autopilot controls the "flare" or pitch.

(aircraft) An aircraft in which lift is provided by unpowered rotating wings and thrust is provided by a conventional propeller.

Alternative spelling of autogiro [(aircraft) An aircraft in which lift is provided by unpowered rotating wings and thrust is provided by a conventional propeller.]

(aviation, countable) A landing made automatically by a system on the aircraft, with the flight crew only supervising the process.

(aviation, nautical) A mechanical, electrical, or hydraulic system used to guide a vehicle without assistance from a human being.

(aviation) The rotation of the blades of a helicopter driven solely by the action of ascending air

(US, military, aviation, nautical) Synonym of JP-5, the U.S. Navy jet fuel.

(aviation) Collision between a bird and an aircraft in motion, especially a jet airplane, in which the bird enters a running engine.

To operate an aircraft.

The art or science of making and flying aircraft.

(obsolete) A flying machine.

(historical) A heavier-than-air flying machine in which the motive power is furnished solely by the aviator.

(dated, aviation) Aerial navigation.

(aviation) The devices used in avionics.

Alternative form of avtur [(aviation) Jet fuel (fuel used by aircraft turbine engines).]

Archaic spelling of aeronaut. [A person who travels through the air in an airship or balloon.]

Alternative spelling of aeroplane [(Canada, Australia, New Zealand, South Africa, Ireland, India, UK, Singapore) A powered heavier-than-air aircraft with fixed wings.]

Obsolete spelling of aeroport [(dated) An airport.]

(aviation) The approach course formed by the rear lobe of the signal pattern of a localizer antenna array (the portion of the localizer signal emitted from the rear face of the antenna array), oriented in the reciprocal direction to the primary approach course (i.e., the back course - if a usable back course exists at all - will be rotated 180° from the primary course). Not all localizers produce a usable back-course signal; newer equipment radiates very little signal into the rear and side lobes, not enough to allow for a back-course approach.

(aviation) A horizontal turn.

(aviation) An aerobatic flying maneuver in which the pilot causes the airplane to complete one loop in the same time that the airplane completes one roll, creating the appearance that the airplane is riding on the inside of a cylinder.

(aviation) The part of a landing before final approach, flown downwind of and at right angles to the runway.

An airplane for military use.

A non-functional rocket stage, used for configuration and integration tests.

(aviation) An aircraft made by Beechcraft.

The lower fuselage of an airplane.

(aviation) A landing of an aircraft without the landing gear being deployed.

(aviation) Sideslip angle.

A rotorcraft propelled by two rotors.

(US, nickname) The B-25 twin-engine bomber aircraft used during World War Two, commonly called the "B-25 Mitchell" in honor of U.S. Army General William "Billy" Mitchell.

twin-engine

(aviation) An airplane that has two main wings, one above the other and supported by struts.

(informal) A relatively small jet aircraft designed for transporting groups of businesspeople or wealthy individuals.

(US, conspiracy theories) A secret covert government helicopter of the deep state, used for clandestine missions, such as UFO cover-ups or capturing political prisoners.

The countdown and launch of a rocket, missile or spacecraft

(aviation) An airship constructed with a non-rigid lifting agent container.

(aviation) The action of aerodynamic forces to tend to cause a deflected control surface to return to its neutral position, or prevent the surface from deflecting past a certain point.

(aviation) The maximum deflection that a control surface is capable of reaching under given flight conditions; past this limit, the aerodynamic forces acting on the control surface exceed the maximum opposing force available from the control surface's actuators.

A weight fixed to the trim tab of an aircraft that brings the nose down at low airspeeds (to avoid stalling).

(aviation) Landing gear mounted in the lower part of an aircraft's fuselage, generally between or slightly behind the wings.

(aviation) An aircraft produced by the Boeing company.

(aviation) The second half of an outside loop, from level flight to inverted flight.

A Soviet spacecraft, modeled after the American Space Shuttle.

Part of a MIRV missile, having on-board motors used to deliver the warhead to a target.

A light, propeller-driven aircraft, with a high wing, designed to land on, and take off from grass airstrips or rough ground

(aviation, slang) A smooth plane landing.

(aviation) The tripod, pylon, or struts usually at the centre-section of a biplane or high-winged monoplane.

(US) When landing on a US aircraft carrier: to sight the lights from the multi-colored optical landing system that shows a pilot to be on the correct approach path or how to correct the approach path.

(aviation) The curvature of an airfoil.

(aviation, by extension) A horizontal control and stabilization surface located in front of the main wing of an aircraft.

The Avro Canada CF-100 fighter-interceptor.

A type of twin-engine jet that was the first medium-haul modern jet airplane.

(science fiction) A vehicle that can drive on land like a car or fly like an aeroplane.

(aviation, historical, military) A twin-engined amphibious aircraft used during the Second World War.

A mechanical aid on aircraft carriers designed to help airplanes take off from the flight deck.

(astronautics) A U.S. upper stage, with a restartable liquid-propellant engine, used with an Atlas or Titan booster to launch satellites and probes.

An aircraft that flies alongside another, to advise or photograph it while experimental flights are being carried out.

(aviation) In civil aviation, a decorative horizontal band of color applied to both sides of an aircraft's fuselage of as part of its livery.

(aeronautics) A longitudinal line of sharp change in the cross-section profile of the fuselage or similar body.

(aeronautics) The distance between the leading and trailing edge of a wing, measured in the direction of the normal airflow.

(aviation, historical) A type of alert area constructed by the Strategic Air Command of the United States Air Force during the Cold War.

All non-military forms of aviation, including private and commercial flight services.

(aviation) A situation in which the aircraft cannot increase or decrease its airspeed without stalling or buffeting.

Space Shuttle Columbia, named after the Columbia Rediviva ship.

(plural only "Comanches") A light single-engine aircraft, the Piper PA-24 Comanche.

(aeronautics) using multiple propulsion techniques in an interlinked synergistic way to give improved performance

The "mother ship" of the spacecraft that carried astronauts to the Moon in the Apollo missions.

A section of a manned spacecraft in which the astronauts live and operate the craft.

(aviation) A system of control in which a separate manipulation, as of a rudder, may be effected by either of two movements, in different directions, of a single lever, etc.

(aviation) The Aérospatiale-BAC supersonic airliner, previously used commercially.

An Argentinian short range ballistic missile.

Congreve rocket

(historical) A kind of military rocket.

(aviation, informal) The Lockheed Constellation airliner.

(aeronautics) A moveable surface attached to a machine such as an aircraft or submarine that can be used to control the machine's motion in roll, pitch or yaw.

(aviation) A usually-unintentional crash of an aircraft in which the aircraft flies into the ground while under full control by its pilots or autopilot.

Any of several forms of aircraft capable of both vertical takeoff and landing, and of normal forward flight; usually has variable geometry wings that can rotate

(aviation) A mechanical aerodynamic wedge that prevents the ventral airstair of an aircraft from being lowered during flight.

(informal) A helicopter.

(aviation, informal) An air-cooled multi-row radial piston aircraft engine

A site for launching spacecraft, usually in reference to such Soviet or Russian built sites as the Baikonur, Kazakhstan and Plesetsk, Russia cosmodromes.

The activities of cosmonauts; Soviet/Russian astronautics.

A type of spacecraft.

(uncountable, aviation) The angle by which an aircraft's nose is pointed upwind of its groundtrack to compensate for crosswinds during an approach to landing; its crab angle.

(aviation) The angle by which an aircraft's nose is pointed upwind of its groundtrack to compensate for crosswinds during an approach and landing.

The landing of an aircraft or spacecraft in an emergency, either in an inappropriate place or under dangerous circumstances, usually with damage to the aircraft.

(aviation) The angle of attack beyond which an airfoil stalls, experiencing a decrease in lift and increase in drag due to separation of airflow from the upper surface of the airfoil.

A Douglas DC-3 aircraft

(aviation, slang) To lower the landing gear of an aircraft in preparation for landing.

(aviation) To land an aircraft without power.

(aviation, idiomatic) A forced landing without propulsion of an aircraft that normally operates with propulsion.

(aviation) The difference in angle of incidence of the two wings of a biplane.

(aviation) A two-part aileron that can be deflected as a unit to provide roll control, or split open to act as an air brake.

(aviation) The height at which a pilot performing a precision approach must decide whether to land on the runway or to perform a go-around maneuver.

(aviation) The process of aligning an aircraft with the runway, usually by means of rudder or rudderon input, immediately before, simultaneously with, or immediately after touchdown during a landing from a crabbed approach.

(aviation) An inflatable rubber membrane attached to aircraft surfaces to permit mechanical deicing in flight.

(aeronautics) On rotorcraft, a hinge with its axis parallel to the rotor plane of rotation, which permits the rotor blades to flap.

(astronautics) a minimum scalar requirement for rocket delta-v to be able to achieve a particular manoeuvre

(astronautics) A firing of the engines of a spacecraft to enable it to re-enter the Earth's atmosphere.

(aeronautics) the perpendicular distance from the chord to the farthest point of an arched surface

(aviation, rare) To bring the nose of an aircraft down to the runway after touching down on the main gear.

(aviation, rare) The lowering of an aircraft's nose gear to the runway following touchdown on the main gear during landing.

(aeronautics) The upward slope of an aircraft's wing

(physics) A pair of jets

(aviation) A gyroscopic flight instrument that provides heading information.

(aviation) A self-propelled airship that can be steered.

(aviation, of an aircraft's propeller) To move towards, or operate at, zero blade pitch, orienting the propeller blades face-on to the oncoming airstream and maximising the drag generated by the propeller.

(aviation) A fuselage formed from two conjoined hulls.

(colloquial) A biplane aeroplane or kite.

(aeronautics) A conical basket or device used variously as a target for gunnery practice, and as a docking point for aerial refuelling.

(aviation) A hinged portion of the leading edge of an aeroplane's wing, which swivels downward to increase lift during takeoff and landing.

(aerospace) The mass of a rocket including its contents but without propellant.

A form of jet engine that possesses an inlet duct, such as a turbojet, ramjet, or turbofan. Rockets are not considered duct engines.

(aviation) An aircraft motion consisting of an out-of-phase combination of yaw and roll, especially prominent on sweptwing aircraft.

(aviation) Of or pertaining to a particular kind of aircraft engine mount that gives directional support to a radial engine to reduce vibration.

(codename) The Apollo Lunar Module of Apollo 11.

(space flight) a spacecraft designed to survive reentry and landing, returning from space back to planet Earth

(aviation, nautical) a ground-effect vehicle

(aviation) The degree of control that the elevators can exert over the pitching motion of an aircraft; related to elevator design and airspeed.

(aviation) A movable surface at the trailing edge of a tailless airplane (such as the space shuttle) that provides pitch and roll control.

(aviation) A sudden landing of an aircraft, made in case of an on-board emergency or another reason requiring an immediate landing.

The tail assembly of an aircraft.

The act or process of boarding an aircraft.

A sliding panel to preserve the lateral stability of an aeroplane.

(aviation) The electrified version of STOVL; electric flight with short take-off and vertical landing.

An American or Soviet missile stationed in a European country during the Cold War

(aviation) The electrified version of VTOL. Electric flight with vertical take-off and landing.

(aircraft) Lockheed Martin F-35 Lightning II

(aviation) An aerobatic maneuver, a controlled stall that begins to induce a spin which is then countered with the rudder.

Describing a helicopter's shrouded tail rotor, essentially a ducted fan, intended to counteract the torque of the main rotor.

(aviation) An airplane powered by turbofan engines.

(NATO code name) the Soviet MiG 19 aircraft.

(aviation) a protected tail rotor of a helicopter operating like a ducted fan.

A class of fixed-wing aircraft whose primary purpose is to shoot down other aircraft, sometimes accompanied by a secondary purpose of attacking ground targets.

A military aircraft designed primarily for air-to-air combat with other aircraft.

Synonym of jet fighter

(aircraft, military) A military aircraft primarily designed to attack enemy aircraft. Frequently shortened to fighter.

(aviation) The last part of a landing before touchdown, involving a descending flight path directly in the direction of the runway.

(NATO code name) The Soviet MiG-21 aircraft.

(astronautics) A spacecraft having a fission reactor that powers the rocket.

(aviation) A hinged surface on the trailing edge of the wings of an aeroplane, used to increase lift and drag.

(aviation, aeronautics, aircraft) An aircraft control surface at the trailing edge of a wing that acts as an aileron (controlling movement around the longitudinal axis) and a flap (changing the chord line of the wing, thus affecting the angle of attack).

A hinge in the rotor assembly of a helicopter that allows each blade to have some vertical movement

(aviation) The track on which the flaps of an aircraft are mounted.

(aviation) The transition from downward flight to level flight just before landing.

A runway (or simple field) that is illuminated at night, or during fog, to enable aircraft to land or take off safely.

(aviation) An especially dangerous type of spin (abnormal stalled flight mode) with a very high angle of attack (typically between 65° and 90°), such that the aircraft's nose is pointed near the horizon despite an extreme negative flightpath angle (gamma); typically unresponsive to flight control inputs and unrecoverable in most aircraft.

An aerodynamic surface designed to guide such a projectile's trajectory.

(aviation, countable) A system for controlling an aircraft's rotational or translational motion in one or more axes.

An aircraft's design capabilities in terms of airspeed, altitude, etc.

(aviation) A specified region of airspace in which a flight information service and an alerting service are provided.

airworthiness

(aviation) A device used to measure the fuel level on modern aircraft.

A weighted tube that allows fuel to be drawn from the fuel tank of an aircraft even when it is flying upside down

(aviation) A system that replaces the conventional manual flight controls of an aircraft with an electronic interface, especially on airliners.

(science fiction) A machine, device, or vessel that is capable of flight

A machine that flies.

(science fiction, futurology) A vehicle which can function both as a road vehicle and as an aircraft.

(informal) The US WWII heavy bomber Boeing B-17.

A cable-operated gyroscopic camera that is suspended on a ropeway, used in filming motion pictures and sporting events.

An air kiss.

(archaic) Early term for an aircraft; a machine for flying in (gerund); a machine that flies (participial adjective)

(aviation) A tailless fixed-wing aircraft that has no definite fuselage

(architecture) A foil.

Any of a class of aeroplanes produced by the Fokker company, used by Germany in World War I.

Any of various unidentified flying objects, as reported by Allied pilots during World War II.

An emergency aircraft landing made under adverse circumstances, such as engine failure, fire, or adverse weather conditions, beyond the control of the pilot.

NATO code name for the Soviet MiG-25 aircraft.

(NATO reporting name) The Soviet MiG 31 aircraft.

(military, slang) The Lockheed C-5 Galaxy, a military transport aircraft widely used by USAF aircrews.

Ellipsis of Super Fudd/Superfudd.; The E-2 Hawkeye, a type of airplane used by the U.S. Navy.

(military) NATO code name for the Soviet MiG-29 aircraft.

(aeronautical) The main body of an aerospace vehicle; the long central structure of an aircraft to which the wings (or rotors), tail, and engines are attached, and which accommodates crew and cargo.

(astronautics) a spacecraft having a fusion reactor that powers the rocket

(slang, aviation) An adjustable air outlet over a passenger seat in aircraft.

(aviation) A landing of an aircraft with the landing gear retracted due to the pilot(s) forgetting to extend the gear or to take some other action necessary for the gear to deploy.

(aviation) The section of the aviation industry that excludes both military and commercial passenger transport; for example, sightseeing, pleasure flights, etc.

(aviation, slang) The autopilot of an aircraft.

(ufology) Any of the rocket- or missile-shaped unidentified flying objects sighted in 1946, mostly in Sweden and nearby countries.

the path of an aircraft as it lands under low power; especially, such a path advised to a pilot by radar assistance from the ground

(aviation) The instantaneous ratio of horizontal speed to rate of fall for a glider.

Alternative form of glideslope [(aviation) The portion of an instrument landing system which provides vertical guidance to an aircraft during an approach to landing.]

A pilot of glider aircraft.

(aviation) The portion of an instrument landing system which provides vertical guidance to an aircraft during an approach to landing.

(aviation) An abort of a final approach where the pilot circles the airport to make another attempt at landing.

(aviation) The deployment of an aircraft's landing gear by the use of gravity.

(transitive, slang, aviation) To perform a landing extraordinarily smoothly.

(aviation) A sudden, potentially damaging turn made by an aircraft while on the ground, owing to user error or adverse weather conditions.

(aviation, nautical) Synonym of ekranoplan An aircraft that utilizes aerodynamic ground effect to attain level flight near the surface of water.

(astronautics) a track that guides a rocket from its launch point into the air

(aviation) A device used to lock the control surfaces of a parked aircraft in order to reduce the probability of flight-control damage resulting from strong or gusty winds.

An autogyro.

(aviation) An autogyro, similar to a helicopter.

A kind of VTOL aircraft with a helicopter rotor-like system driven by its engine for takeoff and landing, as well as one or more conventional propellers to provide forward thrust during cruising flight

Synonym of rotor kite

Synonym of rotor kite

An autogyro.

A crewmember of these aircraft.

(aviation, countable) An instance of a control surface or actuator moving to its extreme limit.

An aircraft that hedgehops.

Clipping of helicopter. [(aviation) An aircraft that is borne along by one or more sets of long rotating blades which allow it to hover, move in any direction including reverse, or land; and typically having a smaller set of blades on its tail that stabilize the aircraft.]

A helicopter-mounted video camera

(childish, nonstandard) helicopter

(rare, dated, nonstandard) to helicopter

(aviation) An aircraft that is borne along by one or more sets of long rotating blades which allow it to hover, move in any direction including reverse, or land; and typically having a smaller set of blades on its tail that stabilize the aircraft.

(historical) A flying machine having an aerial screw propeller.

A heavy-lift helicopter.

(science fiction) A flying vehicle resembling a helicopter and/or a jet.

A place where a helicopter can land.

Nickname given to several models of dive bomber produced by Curtiss during World War II.

An unmanned multirotor rotorcraft having six rotors.

An aircraft, especially a drone, equipped with six rotors

(aviation) A mechanical device or control surface which, when deployed or activated, increases the lift generated by an aircraft, allowing it to fly at lower airspeeds.

(aviation, historical) A German commercial passenger-carrying rigid airship that was destroyed by fire on May 6, 1937.

(aviation) A region of airspace reserved for aircraft being kept in a holding pattern.

(aviation) A path taken by an aircraft waiting to land.

The NASA Mission Control complex located in Houston, named the Lyndon B. Johnson Space Center since 1973.

(vehicles, genericized trademark) A vehicle supported on a cushion of air, able to traverse many different types of terrain and travel over water, used for transport.

(science fiction) A kind of levitating aeroplane or spacecraft.

(aviation, informal, often attributive) A chart or instrument indicating the remaining fuel and the remaining flight distance.

(countable, informal) An American military helicopter, the AH-1 Cobra.

(historical) A British fighter aircraft used during World War II, especially during the Battle of Britain.

a bipropellant rocket engine (rocket motor) which uses propellants that are in two different states, typically liquid and solid, which when reacted, create exhaust gases suitable for rocket propulsion.

(dated) A seaplane, floatplane, or flying boat base.

(aviation, obsolete) a floatplane, an airplane specialized for operating on water, having pontoon floats instead of skids or wheels

(aviation, dated) A hydroaeroplane having two supporting planes.

An amphibious catamaran propelled by an aircraft engine.

(countable) A flight using hydroflight technology

(nautical) The science of the design and construction of ships, their engines, and their instrumentation

(aircraft, nautical) A seaplane; any aircraft capable of taking off from, and alighting on the surface of water.

A hydrofoil.

(aviation) Immelmann turn

(aviation) The roll-off-the-top aerobatic maneuver, where an aircraft in upright level flight pulls up through one-half of an inside loop until in level inverted flight and then rolls upright, ending up in upright level flight in the opposite direction at a higher altitude; a reverse split S.

(aviation) An approach (pre-landing procedure) using flight instruments for some or all navigation to the landing airport and runway, as opposed to one flown solely by visual reference to the ground.

(aviation) A collection of radio navigation aids (always including a localizer and glideslope, and often one to three marker beacons as well) used by pilots for approach guidance to a specific airport runway, especially when visibility is limited.

An aeronautical action in which a fighter approaches a suspicious aircraft to escort it away from a prohibited area, or approaches an enemy aircraft to shoot it down.

A fast, maneuverable fighter aircraft designed to intercept and destroy enemy aircraft before they can attack.

(astronautics) The structure, generally containing mechanical components and instruments but no engines or fuel tanks, connecting the top of a stage of a multistage rocket to the bottom of the stage above it.

(astronautics) a type of spacecraft propulsion, whereby electric fields accelerate ions out the exhaust to provide motive force

An aircraft propelled by electrohydrodynamic propulsion.

(aeronautical jargon) Initialism of jump seat. [(colloquial) An extra seat in an aircraft cabin or cockpit for someone other than a passenger.]

(US, military slang) A highly classified fleet of passenger aircraft used to transport the military and contractors.

An auxiliary jet engine in a detachable unit that provides extra power for the takeoff of an aircraft

(obsolete) jet (form of coal)

Obsolete form of jet. [A collimated stream, spurt or flow of liquid or gas from a pressurized container, an engine, etc.]

(usually humorous, sometimes childish) A helicopter.

(aviation) A type of airplane using jet engines rather than propellers.

Alternative letter-case form of Jet Age [(historical, aviation) A period in history defined by the advent of aircraft powered by turbine engines, and by the social change this brought about.]

Synonym of jet pack

(aviation) The extremely powerful (often hurricane-force) winds behind a running jet engine.

(motor racing) A piece of racetrack maintenance equipment, a truck or trailer equipped with a gas turbine jet engine (which does not provide motive or electrical power), that provides copious amounts of hot air, which is used to blow dry the track surface.

Any engine propelled by expelling a high speed fluid jet (jet propulsion), such as a rocket, turbojet, turbofan, ramjet, etc.

A fighter aircraft with one or more jet engines.

(aviation) The fuel that powers a jet aircraft.

(slang) The pilot of a jet fighter aircraft.

Alternative form of jetliners plural of jet liner

(aviation) A piece of equipment that may be strapped to a person’s back and generate vertical thrust by a downward discharge of jet fluid, thereby rendering the person capable of flight.

A jet: an airplane that is powered by a jet engine.

The study of devices propelled by jet propulsion

Relating to the life style of the jet set.

Alternative spelling of jet-setter [(idiomatic) A member of the jet set; a rich person who travels for pleasure.]

Alternative spelling of jet-setting [(idiomatic) The lifestyle of the jet set; travelling from one fashionable location to another by jet.]

Alternative form of jetliner [(aviation) A jet-propelled airliner.]

Alternative form of jetpacked [Wearing a jetpack.]

Alternative form of jetevator [(aerospace) A control surface used to redirect the exhaust from a rocket and thus change its direction of thrust.]

A jet-powered helicopter.

(aerospace) A control surface used to redirect the exhaust from a rocket and thus change its direction of thrust.

Alternative form of jet fighter [A fighter aircraft with one or more jet engines.]

(aviation) Alternative spelling of jet lag [(aviation) A physical condition caused by crossing time zones during flight; often the result of disruption to the circadian rhythms of the body.]

(aviation, dated) An airline which flies jet aircraft.

(aviation) A jet-propelled airliner.

(dated) An airport served by jet aircraft.

An NFL franchise located in New York City.

Of or pertaining to the jet set.

futuristic in an outlandish or unconventional manner

(often science fiction) A vehicle or engine that works by jet propulsion.

(archaic) Made of jet, or like jet in color.

(aviation) Initialism of jet propellant 1. (a highly refined kerosene; a type of jet fuel)

Initialism of jet propellant 4., a wide-cut fuel designed by the U.S. military and formerly used in colder environments.

(informal) A large transport aircraft, especially the Boeing 747.

(informal, military) A jet airplane with fixed wings that is capable of vertical takeoff and landing as well as hovering, and, in some cases, also capable of becoming airborne in a conventional manner by gaining airspeed on a runaway.

A type of rocket which can be launched from a Katyusha.

A strap-on booster rocket separation maneuver, where four strap-on boosters are ejected at the same time in four directions 90-degrees/diametrically opposed to each other, forming a cross of exhaust plumes.

Lunar Excursion Module

(aircraft) A type of four-engined British bomber aircraft built by Avro during World War 2.

An arrival at a surface, as of an airplane or any descending object.

(countable, aviation) Any of the assemblies which support an aircraft when it is on the ground.

(aviation) A runway for aircraft, especially one which is auxiliary or temporary.

A hypothetical maglev cable that would be capable of sending objects into orbit without needing a rocket.

The surface or structure from which a launch is made.

(aerospace) A vehicle for transporting objects into space, usually a rocket.

(astronautics) The specific time period during which a rocket or spacecraft may be launched in order to achieve its mission.

Alternative form of launch pad [The surface or structure from which a launch is made.]

(psychology) An effect observed in fighter aircraft pilots, where horizontal acceleration at more than 1 standard gravity causes extreme stimulation of the vestibular system and leads to the faulty perception that the aircraft is climbing.

(aviation) An aerobatic maneuver consisting of 1/4 looping up, wingover (left or right), 1/2 looping down+up, wingover (right or left), 1/4 looping down.

(aeronautics) The frontmost edge of a wing or other airfoil of an aircraft; sometimes contains slots or slats

Of or pertaining to the leading edge of an airfoil

(aviation) The clearance of an aircraft to descend through clouds to clear air below, or the process of granting such a clearance.

Initialism of landing gear. [(uncountable, countable, aviation) The wheels, tyres, brakes, shock absorbers etc of an aircraft; its undercarriage.]

(aviation) The instantaneous ratio of lift to drag of an aerodynamic article such as an a wing, entire aircraft or bird.

A small, lightweight aeroplane.

(aviation) A high-altitude, long-range bomber based on the Avro Lancaster.

A rocket that uses liquid propellants.

(aviation) The component of an instrument landing system that provides runway centerline guidance to aircraft, but not glideslope information.

(aviation) An aerobatic flying maneuvre in which the pilot follows a knife-edge roll by flipping the airplane end-over-end and into a spin, from which the pilot then recovers control of the airplane.

An aerobatic maneuver in which an aircraft flies a circular path in a vertical plane.

(aviation, military) A dogfighting maneuver used to increase the closure rate of the attacker during a turn, involving the attacker temporarily giving up some altitude to simultaneously increase airspeed and allow them to turn more steeply, enabling the attacker to cut across the defender's turn and catch up with the defender.

(aviation) low-pressure turbine

(astronautics) The spacecraft used in the Apollo missions that was designed for the landing on the surface of the Moon; the lunar excursion module.

One of the Soviet robotic lunar rovers.

A British military aircraft used during World War II

(aviation, aerodynamics) A change in an aircraft's pitching tendency at transonic speeds, often manifesting as a strong tendency to pitch down into a dive.

(fiction) A carpet capable either of magical flight, or instantaneous transport from one place to another, used as a means of travel.

An aircraft that delivers mail.

(aviation) The primary landing gear of an aircraft, generally located slightly behind the aircraft's center of mass (or slightly ahead of it on a taildragger aircraft) and carrying the majority of the aircraft's weight.

(aviation) An airline's main operating unit, as opposed to codeshares or regional subsidiaries.

The wing of an airplane that provides most of the lift

(aeronautics) The main spar of an aircraft

(aircraft) A type of twin-engined British bomber aircraft built by Avro during the Second World War, the forerunner to the Lancaster.

(aviation) The actuation via purely mechanical means (using cables and/or pushrods) of one or more control surfaces that are usually controlled by hydraulics.

An exploration mission to Mars launched in 2003 by the European Space Agency; consisted of the Mars Express Orbiter and the Beagle 2 lander.

Any of a number of small unmanned remote-controlled vehicles sent to the planet Mars to do scientific research.

A maneuverable reentry vehicle, a type of nuclear warhead capable of shifting targets in flight.

(aviation) The Boeing 737 MAX airliner.

(aviation) An optical landing system.

The western name given to the Russian VA spacecraft.

(historical) Any of several particular types of airplane used by the German air force in the Second World War.

(informal, travel, aviation) The actual airline operating a flight, rather than any of the codeshare operators.

An ultralight aircraft

A person who flies a microlight aircraft

(countable, aeronautics) A collision between two or more aerospace vehicles in flight.

Any of a series of Soviet and Russian fighter aircraft.

A small U.S. military rocket from the 1950s.

In jet aircraft technology, the maximum power of a jet aircraft without use of afterburners.

(aviation) The lowest altitude at which an aircraft is permitted to fly during a non-precision approach without the runway being in clear sight.

A Soviet, later Russian space station.

(aviation) A go-around from an instrument approach performed, for whatever reason, at a time when the aircraft is at or above the applicable decision height or minimum descent altitude.

(aviation) The point during descent at which a pilot must initiate a go-around maneuver if the runway is not in clear sight.

An aircraft made to a smaller scale, either as a static (non-flying) model, or built to fly with the aid of an engine or electric motor, and controlled by radio from the ground.

(astronautics) An independent self-contained unit of a spacecraft.

A single jet.

(aviation) An airplane that has a single pair of wings.

The safe arrival of a spacecraft on the surface of the moon

A ground-launched rocket-propelled vehicle that delivers a payload to orbit or land on the moon

The launching of a spacecraft or an object to orbit or land on the Moon.

(astronautics) Arrival on the Moon, or a moon, by spacecraft.

A spaceport located on a moon.

(historical) The De Havilland Mosquito, a Second World War military aircraft.

A rudimentary type of jet engine

A rotorcraft propelled by multiple rotors.

An aircraft with more than one engine.

An airplane having at least three superposed main planes

A rotorcraft propelled by multiple rotors.

(astronautics, of a rocket) Composed of multiple detachable parts.

(aviation) The rotational speed of the low-pressure spool of a multiple-spool gas turbine engine, expressed as a percentage of a certain reference rotational speed.

(aviation) The rotational speed of the high-pressure spool of a two-spool gas turbine engine or the intermediate-pressure spool of a three-spool gas turbine engine, expressed as a percentage of a certain reference rotational speed.

(aeronautics) An airliner capable of seating, at most, six or fewer passengers in a single row of economy seating, with one aisle.

Any form of aid to navigation, particularly applying to shipping and aviation. Examples: lighthouse, or ILS (instrument landing system)

A British biplane fighter aircraft manufactured by Hawker Aircraft in the early 1930s.

(aviation) An airship that maintains its shape only by internal gas pressure.

(aviation) An undercarriage or landing gear located underneath the nose of an aircraft.

A proposed aircraft that would be powered by nuclear energy.

(astronautics) A rocket with a nuclear reactor aboard.

(astronautics) a rocket that uses the impulse imparted by the detonation of nuclear bombs as the propulsive force to propel the spacecraft

(astronautics) a rocket with a thermal gas exhaust engine, whereby the thermal fluid is heated by the nuclear reactor

(aviation) A variable geometry wing concept, where the wing is designed to rotate on center pivot, so that one tip is swept forward while the opposite tip is swept aft.

An unmanned rotorcraft having eight rotors.

(aviation, slang, military) A region of airspace in which military jets are authorized to carry out low-altitude training.

An aircraft that generates lift through the flapping of its wings.

(aviation) An area of terrain beyond the end of a runway that is kept flat and unobstructed to allow an aircraft that runs off the end of the runway to stop safely.

A flat surface or area from which a helicopter or other aircraft may land or be launched.

An emergency landing in which an aircraft drops flat from a low altitude with no wheels deployed.

(Britain) A toy aeroplane made by folding up a sheet of paper.

(US, aeronautics) An aircraft under development.

clipping of paper aeroplane. [(Britain) A toy aeroplane made by folding up a sheet of paper.]

by air mail

(aeronautics) Synonym of drogue (“conical device for aerial refuelling”)

A steerable parachute powered by a propeller attached to the pilot's back

Describing an instrument, in the cockpit of an aircraft, that is displayed in the peripheral field of view of the pilot

The B-36 bomber.

(UK, aviation, historical) A machine resembling an aeroplane but unable to fly, used for training pilots.

Nickname of the F-4B jet fighter flown by U.S. marines in Vietnam.

(aviation) An aircraft motion where the vehicle pitches up and climbs, decreasing speed, and then pitches down and descends, increasing speed.

(aviation) A measure of the angle of attack of a propeller.

An airplane; an aeroplane.

A company that manufactures (commercial) aircraft.

A position beside an airplane.

The observation and logging of the registration numbers (tailnumbers) of aircraft as a hobby.

The system on military aircraft that use either or some combination of both hydraulic and pneumatic systems.

(aviation) The point in an aircraft's flight when there is insufficient fuel to reverse direction and return to the place of origin.

A type of U.S. ballistic missile, capable of carrying a nuclear warhead and designed to be launched from a submarine.

(aviation) An instrument approach using a guidance system that provides guidance in the vertical as well as the horizontal plane, such as ILS, PAR, or GLS.

(aviation) A freighter converted from a passenger aircraft.

A class of airline travel between economy and business class.

Any of a series of Soviet, later Russian spacecraft.

Alternative form of propjet [(aviation) A turboprop engine.]

(aviation) A modified turbofan engine with the propeller outside the engine duct of an aircraft.

(aviation) An airplane powered by turboprop engines.

(aviation) a propeller-driven airliner

Any of the powered rotors of a tiltrotor aircraft.

(aviation) Describing the tendency of a plane to roll in the same direction as yaw.

Alternative spelling of pulsejet [(aeronautics) a valved jet engine where combustion occurs in pulses, as used in the V-1 flying bomb]

(aeronautics) a valved jet engine where combustion occurs in pulses, as used in the V-1 flying bomb

Alternative form of pulsejet [(aeronautics) a valved jet engine where combustion occurs in pulses, as used in the V-1 flying bomb]

(aviation, historical) A post, tower, etc. as on an aerodrome, or flying ground, serving to bound or mark a prescribed course of flight.

A rotorcraft propelled by four rotors.

(aviation) A jet aircraft powered by four engines.

A quadcopter.

A quadcopter.

An airplane with four superposed main supporting surfaces (four wings one above the other)

a Soviet rocket modelled on the V-2; the Scunner

(aeronautics) A jet engine in which forward motion forces air into an inlet, compressing it (as opposed to having a pump type device compressing the air for combustion with fuel), and where combustion is subsonic.

(aviation) A large parking area in an airport for aircraft, for loading and unloading or for storage (see also apron).

(aviation) The rate at which an aircraft gains altitude. A negative rate of climb implies descent.

(aviation) An instrument installed in an aircraft that indicates the rate at which the aircraft is gaining or losing altitude.

(aviation) An aircraft instrument that provides an indication of the vertical change in position.

A takeoff assisted by such a unit.

(aerospace) The return of a spacecraft into the Earth's atmosphere.

(aviation, space travel, of a parachute) Semi-deployed, with the canopy initially restricted from fully opening, in order to avoid subjecting the canopy to excessive air loads or the payload to excessive g-forces from fully deploying at high airspeed.

(transport, of a part of a rocket) Designed to return to the Earth's atmosphere.

To retrofit an airplane engine with a turbofan that reduces noise.

(aviation) a small narrow-bodied jetliner designed to carry 30-150 passengers in one class for flight segments of 2000 kms or less.

A plane for making printers' reglets.

(aviation) A rejected takeoff.

(aviation) A takeoff of an aircraft which is aborted by the pilot.

(aviation, historical) A tube built into an aircraft allowing the crew to urinate while in flight.

(astronautics) A set of orbital maneuvers during which two spacecraft arrive at the same orbit and approach to a very close distance.

Alternative form of resistojet [(uncountable) A method of spacecraft propulsion (electric propulsion) that provides thrust by heating a (typically non-reactive) fluid.]

A kind of pulsejet engine.

retrorocket

A civil airliner painted in a historic livery.

A group of retrorockets on a spacecraft

(Britain, military, aviation, historical) A Royal Air Force World War II code name for operations by aircraft (fighters and fighter-bombers) involving low-level flight to seek opportunistic targets.

(aviation) An airship whose shape is maintained solely by an internal and/or external rigid structural framework, without using internal gas pressure to stiffen the vehicle (the lifting gas is at atmospheric pressure); typically also equipped with multiple redundant gasbags, unlike other types of airship.

(slang) An ace (the playing card).

An aircraft with rocket propulsion, including a rocket pack, a rocket plane, etc.

A reaction engine that obtains thrust by jet propulsion which forms its jet exclusively from propellant.

A collection of rockets standing upright on display outdoors

A rocket engine, especially a solid rocket or a hybrid rocket.

(aviation) A jet pack using a rocket engine.

(aviation) A winged aircraft that is propelled by a rocket engine.

A magazine holding rockets.

The science or study of rockets and their design.

(hyperbolic) Someone qualified to understand or handle that which is overly complex, detailed or confusing.

A spacecraft propelled by a rocket engine.

A single rocket that may be attached to other similar rockets to increase the delta-v of the aggregated rocket vehicle

(humorous) Synonym of rocket scientist (“someone qualified to understand or handle that which is overly complex, detailed or confusing”)

Anything overly complex, detailed or confusing.

Carried by a rocket.

Somebody who designs, launches, operates, or travels in a rocket.

A rocketeer.

(aviation) Alternative spelling of rocket plane [(aviation) A winged aircraft that is propelled by a rocket engine.]

The making and launching of rockets, its science and practice.

A rocket-powered spacecraft.

A rocket, powered by solid fuel, that is not lit while on the ground but first carried into the upper atmosphere by a gas-filled balloon, then separated from the balloon and automatically ignited to allow it to achieve a higher altitude.

A flexible type of airfoil.

(aeronautics) The rate at which an aircraft can change its roll attitude, typically expressed in degrees per second

(aviation) A sudden large uncommanded roll to the left or right experienced by an aircraft entering a stall, resulting from one wing stalling slightly before the other and exacerbated by the reduction in aileron control authority at high angles of attack.

(aviation) The phase of a landing after touchdown but before the aircraft slows to taxi speed.

(aviation) The section of a wing immediately adjacent to the fuselage.

An aircraft which creates lift by means of rotors

(aviation) The step during takeoff when the pilot commands the vehicle to lift the nose wheel off the ground during the takeoff roll. (see also: V2)

(aviation) An aircraft that has both wings and rotors

(aviation) The wing of a helicopter or other rotary-wing aircraft.

An unpowered rotary-wing aircraft.

Any aircraft that obtains its lift from rotors.

(aeronautics) A control surface on the vertical stabilizer of a fixed-wing aircraft or an autogyro. On some craft, the entire vertical stabilizer comprises the rudder. The rudder is controlled by foot-operated control pedals.

(aviation) The degree of control that the rudder can exert over the yawing motion of an aircraft; related to rudder design and airspeed.

(aviation) A type of control surface, usually found on flying wing aircraft, consisting of two pairs of panels (one mounted near each wingtip on the wing's trailing edge), with one lying on top of the other sandwich-style; to roll the aircraft, both panels on one wing deflect downwards (increasing the lift of that wing) and both panels on the othe wing deflect upwards (decreasing the lift of that wing), while, to yaw the aircraft, the panels on one wing split apart from each other (the upper panel deflects upwards, and the lower panel deflects downwards), increasing the drag on that wing.

(aviation) A hinged control surface combining the functions of rudder and elevator.

(aviation) A section of land, usually paved, for airplanes to land on or take off from.

(space science) An emergency mode of many unmanned spacecraft in which nonessential systems are shut down and the spacecraft assumes a preset attitude towards the sun while awaiting commands from ground control.

(space science) The process of (a spacecraft) entering safe mode.

Any of the spacecraft involved in the Salyut programme, the first space station programme undertaken by the Soviet Union, from 1971 to 1986.

(aviation) The A-1 Sky Raider aircraft.

(astronautics) Centaur upper-stage rocket

A hypothetical flying vehicle with a disc-like shape; flying saucer.

(aviation, military) The World War II Messerschmitt Me-262 jet fighter.

(aeronautics) A jet engine capable of propelling an aircraft at hypersonic speeds, in which combustion of the fuel/air mixture occurs at supersonic speeds.

A Soviet-developed tactical ballistic missile.

(aeronautics) The shape with the lowest theoretical wave drag in supersonic flow, for a given body length and a given volume.

(aviation) A cross-section perpendicular the longitudinal axis of an aircraft in flight.

(aviation) A sectional chart, a type of map used for navigation in the air.

(aviation) An airship or dirigible which maintains its shape using a combination of internal pressure and a rigid structural framework.

A biplane having one long wing and one short one above or below it.

The act of descending onto a surface (of an aircraft or spacecraft).

(aviation) The last section of an aircraft's approach to a runway.

(RAF slang) A reconnaissance aircraft.

(aviation) A flight condition where an aircraft's longitudinal axis is not aligned with its direction of motion relative to the surrounding air.

(aviation) A control joystick located beside the seat of the pilot.

An aircraft with skis for landing on snow or ice.

A helicopter that lifts and transports heavy objects suspended by a heavy cable.

An outer space laboratory.

(aviation) a final approach whereupon the airplane intercepts the ILS glideslope from above, instead of as normally from below

(aviation) Alternative spelling of slam dunk approach [(aviation) a final approach whereupon the airplane intercepts the ILS glideslope from above, instead of as normally from below]

(aviation) A control surface that extends forwards and downwards from the leading edge of a wing, leaving a gap between it and the leading edge, in order to modify the airflow around the wing so as to allow flight at a higher angle of attack without stalling, lowering the aircraft's stall speed.

(especially) To use the gravity of a moving planet to add momentum to a spacecraft.

(aviation) The allocated time for an aircraft's departure or arrival at an airport's runway.

(aviation) A maneuver in which the aircraft makes a complete rotation around its roll axis while maintaining a straight and level flight path.

An airplane that supposedly could detect oil fields underground.

(countable, aeronautics) A landing that does not result in the destruction of the payload and/or the vehicle.

(astronautics) A rocket that uses such an engine.

(space science) A suborbital rocket used to launch upper atmosphere, exoatmospheric, and microgravity sondes or probes.

Any of a series of Soviet/Russian space capsules

The period from the about the time of the launch of Sputnik in 1957 to the present day, during which people ventured into space.

A government agency engaged in activities related to outer space and space exploration.

(aerospace) Synonym of skyhook (“tether for launching payloads into space”)

A vehicle (or a compartment of a vehicle) designed to transport, and provide life support for people in space, and during reentry through the Earth's atmosphere

The act of two spacecraft docking.

The guidance operations needed to launch a spacecraft into orbit or space, navigate in space, and return to Earth or some other body

(transport, space science) A Shuttle-derived heavy launch vehicle being designed by NASA to replace the Space Shuttle.

(transport, space science, historical) A 1960s-era design program of the United States Air Force.

(medicine) The branch of medicine that deals with the effects of space travel on human beings

A journey, by a human or robotic spacecraft, into space for a specific reason (normally to gather scientific data)

(space science) A robotic space vehicle designed to voyage beyond Earth's orbit.

(space science, British spelling) A programme of space exploration and research.

The competition between nations in the field of space exploration.

Any form of research that takes place in space, or concerns any aspect of space or space travel

A rocket vehicle capable of reaching space (typically from the ground).

Alternative spelling of spaceship [(astronautics) A vehicle that flies through space.]

The reusable winged orbiter of this system.

Any device that attempts to simulate the environment of space, especially one used to test components of space vehicles

(dated) Sightseeing and travel to sites related to the space program.

A spacecraft.

A vehicle that travels through space.

Engaged in the building and launching of vehicles into space.

(aerospace) clearly defined or identified for spaceflight

Travelling into space.

(science fiction) The ability to work confidently in space, or a zero-gravity environment.

A company that carries out space flights.

A commercial spacecraft that carries passengers.

(science fiction) A launch pad for spacecraft.

A rocket plane designed to pass the edge of space, combining certain features of aircraft and spacecraft.

A site for launching spacecraft.

(astronautics) A vehicle that flies through space.

Suitable for a launch into, or travel through, space.

(aviation) A drag-reducing aerodynamic fairing covering the upper portions of the tyres of an aeroplane equipped with non-retractable landing gear.

The ratio of the thrust produced by a rocket or other jet engine to the rate of use of propellant.

(aviation) A condition of flight where a stalled aircraft is simultaneously pitching, yawing, and rolling in a spinning motion.

(historical) A single-seat fighter used by the RAF and allies during World War II, especially during the Battle of Britain.

(aviation) An aerobatic maneuver in which an aircraft, starting from upright level flight, rolls inverted and then performs one-half of an inside loop, ending up in upright level flight in the opposite direction at a lower altitude; equivalent to an Immelmann turn (modern sense) performed in reverse.

(aeronautics) A device to reduce lift and increase drag.

(aviation) A spoiler panel which is extended on one wing of an aircraft in order to decrease the lift and increase the drag generated by said wing, rolling and yawing the aircraft towards that wing.

An aircraft used for surveillance.

The moment when a country or a society realizes that it needs to catch up with apparent technological and scientific developments made by some other country or countries by increasing its investment into education, innovative research and development, etc.

A military aircraft used for surveillance.

A one-piece horizontal tailplane, used especially on high-speed aircraft.

An airfoil that stabilizes the flight of an aircraft or missile.

(astronautics) To jettison a spent stage of a multistage rocket or other launch vehicle and light the engine(s) of the stage above it.

(aviation) The horizontal positioning of a biplane, triplane, or multiplane's wings in relation to one another.

(aviation) The critical angle; the angle of attack beyond which an airfoil stalls (loses lift and gains drag).

(military, aviation) The Lockheed F-104 Starfighter, a jet fighter-interceptor.

(science fiction) A large starship capable of transporting many passengers.

(military, aviation) A bomber (military aircraft) with a smaller than usual radar signature, due to its body shape, outer coating, and thermal dissipation.

(military, aviation) A fighter aircraft with a smaller-than-usual radar signature because of its unique body shape, outer coating, and thermal dissipation.

A multistage rocket.

(aviation) An automated mechanical device connected to the control column of some aircraft, which pushes the column forward, thus decreasing angle of attack, if the aircraft is approaching a stall.

A support for a wind tunnel model which extends parallel to the air flow.

(aviation) A piece of land extending beyond the runway for use in case of an aborted takeoff.

(aviation) An inertial navigation system that eliminates the gimbal in favour of a lightweight digital computer having sensors that are simply strapped to the vehicle.

(historical) A hypothetical airplane capable of travel in the stratosphere.

(space science) A vertical structure used to support and stabilize a rocket, often hosting fuel and power umbilical connections. Usually retracted immediately before launch.

(historical, informal) The Junkers Ju-87, a gull-winged single-engine German dive bomber used in World War II.

(aviation, military) the ground-attack version of the WWII Messerschmitt Me-262 jet-fighter

A lookout found on airships: a capsule slung underneath an airship, reeled out below the cloud deck to navigate by landform when the airship itself is enveloped in clouds or flying above clouds.

One of a number of smaller jets formed by the breakup of a larger one

(aerospace) An alternative to an airlock in space flight, consisting of a detachable space suit that is kept sealed against the outside of the spacecraft or habitat while not in use.

(aviation) A Russian aircraft manufacturer.

A bomber aircraft with a large bomb-carrying capacity.

A bomber aeroplane that is larger than and superior to by being technically advanced compared to the Boeing B-17 "flying fortress", specifically the Boeing B-29 long-range heavy bomber aeroplane that was developed during the early 1940s.

A jet aircraft with some superior quality, such as large size or high speed.

The largest passenger airliner, the Airbus A380.

(informal) A very large or technologically sophisticated aeroplane.

(aeronautics) A rocket engine that remains with a spacecraft during its ascent after the separation of the booster engines.

A hinged tail section on an airplane that can open up, providing access to the interior of the fuselage.

(historical) A specific B-17 bomber plane used extensively in World War Two.

A helicopter that has a pair of intermeshing rotors

An instrument used to synchronise the propellers of a twin-engine aircraft

(aviation) A type of aircraft that has the horizontal stabilizer situated atop, or near the top of, the vertical stabilizer.

(aviation) A small rotor mounted vertically at the end of the tail of a single-rotor helicopter so as to develop thrust in the same direction as the main rotor's rotation, to counter the torque effect created by the main rotor.

(aviation) An aircraft with a wheel behind the main landing gear, underneath the tail.

A horizontal airfoil, at the rear of an aircraft, to which the elevator is attached; usually associated with the tailfin

A vertical-takeoff aircraft whose fuselage is perpendicular to the ground at takeoff.

(aviation) The rapid, uncontrollable descent of an aircraft in a steep spiral.

(aviation) A vertical pole that supports the rear fuselage of an aircraft during the loading and unloading of cargo.

(flying) Verbal assistance given by ground control to a person attempting to land an aircraft.

(aviation) To spend time idling on a runway, usually waiting for takeoff clearance.

(aviation) The movement of aircraft on the ground in readiness for takeoff or after landing.

An airplane that can be hired to transport people, like a taxi.

(historical) The British and Allied fighter pilots during the Battle of Britain in World War II.

a rocket that is powered by a thermal source, such as a nuclear-thermal rocket or a solar-thermal rocket or a rocket powered by an energy beam such as a laser or microwave beam

An airplane landing in which the two main landing gears and the front landing gear or rear landing gear or skid all touch the ground simultaneously.

(aviation) The start of the landing area of a runway.

(aviation, astronautics) The deflection of the exhaust nozzle(s) of a jet engine or rocket so as to alter the direction in which the engine produces thrust and help control the attitude and/or direction of flight of the vehicle using the engine.

(UK, RAF slang) A Hawker Typhoon fighter-bomber aircraft.

(aviation, by extension) A steering wheel, usually mounted on the lower portion of the captain's control column, which is used to steer the aircraft's nosewheel or tailwheel to provide steering during taxi.

Aircraft in which a propeller or fan can be used in a horizontal position for vertical takeoff or landing (VTOL) and then rotated for forward movement.

An aircraft that has powered rotors mounted on engine pods that can rotate to provide lift and/or propulsion

A kind of aircraft featuring a wing that is horizontal for conventional forward flight and rotates up for vertical takeoff and landing.

(aviation) To perform a touch-and-go landing.

(aviation) To land an aircraft or spacecraft.

Ellipsis of touch-and-go landing. [(aviation) A landing on a runway immediately followed by a takeoff without an intervening full stop.]

(aviation) A landing on a runway immediately followed by a takeoff without an intervening full stop.

(aviation) The moment when an aircraft or spacecraft makes first or final contact with the ground during a landing.

(aeronautics) The rearmost edge of a wing or other airfoil.

(space travel) A maneuver that moves a spacecraft from orbit around the Earth onto a trajectory towards the Moon.

A rotorcraft propelled by three rotors.

(aviation) An aircraft powered by three jet engines.

An aircraft with three piston motors.

(aviation, slang, dated) A Sopwith Triplane.

(aviation) An airplane that has three pairs of wings, one above the others

(aviation) A Boeing 777, a wide body twinjet used for commercial airlines.

(aviation) A large, low-pressure tyre, used on light aircraft on rough terrain.

A turbine-based combined-cycle ramjet engine (an aeroengine that has a turbine jet engine core combined with a ramjet engine core)

(aviation) A turbojet engine having a (typically ducted) fan that forces air directly into the hot exhaust and obtains a portion of the thrust from the turbojet and a portion from the turbojet section.

(aeronautics) A jet engine that develops thrust solely from high-speed exhaust gases expelled from a turbine that drives a compressor.

(aviation) An aircraft that uses a turboprop engine.

Fitted with a turboprop engine.

An aircraft engine that is a hybrid of a ramjet and turbofan.

A jet engine where the turbine that turns the inlet compressor is powered by a rocket engine.

(aviation, aerospace) Preparations for takeoff, such as loading and servicing.

An airliner of Trans World Airlines.

(aviation) A two-engine aircraft.

Alternative form of twin-engine [(of an aircraft) powered by two engines, one in each wing]

(aviation) An aircraft powered by two jet engines.

(historical) A Hawker Typhoon, a World War II fighter-bomber aircraft.

(astronautics) A small, auxiliary rocket engine or motor onboard a spacecraft that provides enough acceleration to settle propellant in a tank.

An aircraft that weighs very little.

(aerospace) The line that supplies an astronaut with oxygen and communications when outside a spacecraft.

The landing gear of an aircraft.

A modified turbofan engine with the propeller outside the engine duct of an aircraft.

(aviation) A mechanism that secures an aircraft's landing gear in the retracted position, helping to prevent an uncommanded gear deployment during flight.

(aviation) The dangerous situation where the flight attitude or airspeed of an aircraft is outside the designed bounds of operation, possibly resulting in loss of control.

(military, historical) An early cruise missile, powered by a pulsejet, used by Germany in the Second World War.

(historical) An early long-range liquid-fuel ballistic missile used by Germany during the Second World War.

(aviation) The speed by which a pilot must have decided whether to continue a takeoff or to abort.

(aviation) The airspeed at which an aircraft leaves the runway on takeoff.

An aircraft in the form of an airship that, instead of a pressurised gas, is filled with a vacuum

(of an aircraft) Having the ability to adjust the shape / configuration of its wings whilst in flight

(aviation) A chosen course or direction for motion, as of an aircraft.

Alternative spelling of vertical stabilizer [(aviation) The fin on the tail of an aircraft; it includes the rudder on its trailing edge]

(aviation) The fin on the tail of an aircraft; it includes the rudder on its trailing edge

(US, Canada, aviation) Any of a set of low-altitude airways defined as line segments, each based on a straight line between either two VOR (VHF omnidirectional range) stations, or a VOR and a VOR intersection.

(aviation) An aileron roll performed to celebrate a victory.

(of an aircraft) To change direction by changing the direction of thrust from the engine(s)

A steep, controlled dive, especially by an aircraft with the engine off.

A small attachment mounted under the wing of an aeroplane to induce vortices to aid stability in flight.

(aircraft) The Avro Vulcan, a type of jet-powered British bomber aircraft built by Avro during the Cold War.

(aviation) The indicated airspeed at which an aircraft's maximum sustained angle of climb is the steepest.

Any aircraft decorated in military livery for display at airshows etc.

An aircraft designed for combat.

(military) A nickname for the A-10 Thunderbolt II air support warplane

(aviation) An emergency landing in water, especially by aircraft not designed to land on water.

(aviation) A horizontal line indicating the shape of an airfoil.

A hypersonic aircraft that improves its supersonic lift-to-drag ratio by using the shock waves generated by its own flight as a lifting surface.

(aviation) The total surface area of an aircraft.

(aviation) The loss of control caused by excessive forward pressure on the elevator control of an aeroplane with a nosewheel during takeoff or landing.

Alternative spelling of widebodied [(aeronautics) An airliner that can seat more than six passengers in each row, in economy seating.]

(aeronautics) An airliner capable of seating six or more passengers in a single row of economy seating.

(aeronautics) An airliner capable of seating seven or more passengers in a single row of economy seating, with two aisles or more.

(slang) The Lockheed F-104 Starfighter.

(aviation) An aerobatic manoeuvre in which an aircraft makes a series of very tight turns in order to reverse its direction of travel.

(aviation) Landing gear mounted in the roots of an aircraft's wings.

(aeronautics) ground effect on a wing of an aircraft flying close to the ground

An aerobatic maneuver in which an airplane makes a steep climb followed by a vertical flat-turn (the plane turns to its side, without rolling) and a short dive, levelling out to fly in the opposite direction from which the maneuver began.

(US, military) Any of a series of experimental aircraft and rockets, used to test and evaluate new technologies and aerodynamic concepts.

(aviation, military, historical, US) The original designation of the Curtiss P-60.

(aviation, military, US, historical) The original designation of the Lockheed XF-90, redesignated in 1948.

(aviation) A component of the flight control system of most swept-wing aircraft which suppresses the aircraft's natural Dutch roll tendency using carefully-timed automatic rudder inputs.

(US, military, aviation) prototype fighter (prefix)

(historical, US, military codename) The A6M Zero Japanese fighter airplane of World War II.

(aviation) A type of large dirigible rigid airship of the early 20th century, built by the German Luftschiffbau Zeppelin and designed to carry passengers or bombs.

(military) A Mitsubishi A6M Zero, a long range fighter aircraft operated by the Japanese Navy Air Service from 1940 to 1945.

(aviation, military) Pertaining to the ejection of the occupant of an aircraft from a grounded stationary position (i.e. zero altitude and zero airspeed).

(US, politics, slang) An airplane used during a political campaign to transport cameramen, technicians, members of lesser press publications, etc., separate from the primary plane that carries the candidate and major reporters.

Nonstandard spelling of aeroplane. [(Canada, Australia, New Zealand, South Africa, Ireland, India, UK, Singapore) A powered heavier-than-air aircraft with fixed wings.]