Mechanism transferring engine power externally.

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

Device that enhances initial launch power.

Vehicle propels itself into space.

The maximum takeoff weight or maximum gross takeoff weight or maximum takeoff mass of an aircraft, also known as the maximum structural takeoff weight or maximum structural takeoff mass, is the maximum weight at which the pilot is allowed to attempt to take off, due to structural or other limits.