n
(nonstandard) An airplane crash.
v
(military, aviation, euphemistic) To crash catastrophically into the ground.
n
(aerospace) A reversed countdown (i.e. ascending numbers) in response to problems leading up to a launch.
n
(chiefly sports) A shot that sends something backwards, such as a shot that sends the ball behind the player making it.
v
(transitive, aviation, of a control surface) To render ineffective by blanketing with turbulent airflow, such as from aircraft wake or reverse thrust.
n
(military) The route of a bomber as it approaches its target; a sortie of a bomber
n
(aerospace) The shutoff of a rocket motor following the complete exhaustion of its fuel supply, or having been irreversibly throttled after the application of a planned delta-v.
n
Alternative form of climbout [(aviation) The period after takeoff and before cruising, during which the aircraft climbs to a predetermined altitude.]
n
(military) A form of vertical launching system where the missile is expelled by gas produced by a separate gas generator, and only ignites afterwards.
n
(aviation, mechanical engineering) Seizure of a turbine engine due to misalignment and loss of clearance between stationary and rotating components, caused by different components cooling and contracting at different rates following engine shutdown or flameout.
v
Alternative spelling of crash land [To land an aircraft or spacecraft in an emergency, either in an inappropriate place or under dangerous conditions; usually results in damage to the craft and the possibility of loss of life.]
n
(aviation) The downward, corkscrew-motion of a disabled aircraft which is unrecoverably headed for a crash.
n
(aviation) An extremely dangerous type of aerodynamic stall (sudden loss of lift caused by airflow separation) where the angle of attack of a T-tailled aircraft becomes so high that the horizontal stabilizer and elevators are blanketed by the turbulent wake of the main wings, rendering the stabilizer and elevators ineffective and often preventing recovery from the stall.
n
disembarking from an aircraft
v
(transitive, military, nautical, aviation) To attack (a target, usually a submarine) with depth charges.
adj
(aviation) Having the undercarriage or flaps in the down position.
v
(transitive, intransitive, aviation) To deliberately crash-land an airplane on water.
n
(aviation) A maneuver involving dumping and burning.
n
(aviation) An occurrence where an aircraft runs off the end or side of a runway or taxiway, usally during takeoff, landing, or taxi.
n
Alternative spelling of freefall [(physics) The state of being in a motion affected by no acceleration (force) other than that provided by gravity.]
n
(economics, by extension) the pattern of systematic withdrawal of money from a retirement portfolio
adj
(of a missile) fired from the ground at a target ship
n
(colloquial) minor damage caused to an aircraft caused by collisions with a hangar, structures, or another aircraft.
n
(motoring) The act of starting a motor vehicle moving forwards from a complete stop when going uphill, typically requiring the use of the handbrake.
v
(intransitive) To float in the air.
n
An aviation accident where the damage to the aircraft is such that it must be written off, or in which the aircraft is totally destroyed.
adj
Passing or landing ahead of or beyond the intended target or location, as weapons fire or landing aircraft.
n
(aerodynamics) A shock wave that, unlike a normal shock, is inclined with respect to the incident upstream flow direction.
n
The act or process of flying out.
v
(intransitive) Said of an aircraft: to make a series of plunges when taking off or landing; or of a watercraft: to successively plunge up and down in the water.
v
(aviation, of an aircraft) To transition from a dive to level or climbing flight.
v
(intransitive, aviation) To raise the nose of an aircraft.
n
The change of the flight of an aircraft from a dive to level or climbing flight.
v
(aviation, idiomatic, of an aircraft) To land.
v
(aviation, of an aircraft) To spontaneously roll suddenly and rapidly to one side or the other upon entering a stall (due to one wing stalling slightly before the other does, combined with the reduced effectiveness of ailerons for roll control at high angles of attack).
v
(intransitive, aviation, of a jet engine) To reduce thrust without having been commanded to do so.
v
(aviation) To fly below the bases of low clouds and close to the ground in an attempt to maintain external visual reference in weather ordinarily considered too poor for visual flying.
n
(aviation) A stall (“sudden loss of lift”) caused when the airflow over an aircraft's wings is disturbed by shock waves that occurs at a specific Mach number when the aircraft is accelerating to transonic speeds.
n
Alternative form of shock stall [(aviation) A stall (“sudden loss of lift”) caused when the airflow over an aircraft's wings is disturbed by shock waves that occurs at a specific Mach number when the aircraft is accelerating to transonic speeds.]
n
Alternative form of shock stall [(aviation) A stall (“sudden loss of lift”) caused when the airflow over an aircraft's wings is disturbed by shock waves that occurs at a specific Mach number when the aircraft is accelerating to transonic speeds.]
n
The shooting down of an aircraft, satellite, etc.
n
(aviation) A banked sideslip where the aircraft's nose is yawed towards the low wing, often due to excessive rudder input.
n
(aviation) Rapid, uncommanded jerking or oscillation of the ailerons of some aircraft at high Mach numbers, resulting from shock wave formation at transonic speeds.
n
(aeronautics) Loss of lift due to an airfoil's critical angle of attack being exceeded, normally occurring due to low airspeed.
n
Alternative form of stick pusher [(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.]
n
A backwards movement of a stalled aircraft at the top of a vertical climb.
v
(transitive, intransitive, aviation, of a pilot) To successfully fly (an aircraft) into the air.
n
Alternative form of takeoff [The rising or ascent of an aircraft or rocket into flight.]
n
The rising or ascent of an aircraft or rocket into flight.
n
(engineering) A force that is applied along a bearing's axis.
n
(nautical) The path followed by a vessel’s center of gravity when it makes a complete turn of 360° with a consistent rudder angle. (FM 55-501)
v
(transitive, aviation) To reduce the vertical load factor on (an airplane's wing or other lifting surface), typically by pitching downwards toward the ground to decrease angle of attack and reduce the amount of lift generated.
n
A sudden compressor stall that can occur in the jet engines of supersonic aircraft.
n
(aerospace) The payload mass carried up to orbit from Earth.
n
A stall of an aircraft in near-vertical climb, followed by slip-back, before the nose turns toward the ground, sometimes an intentional stunt.
v
(intransitive, aviation) To turn about the vertical axis while maintaining course.
n
(military) A technique in which the first motion of the missile or aircraft removes it from the launcher. Normally, such a launch occurs before the missile fuel or aircraft engine is fired.
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