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a radio beacon on an aircraft that replies to a radar interrogation. The transponder encodes information into the reply, allowing air traffic control to know the aircraft's alti…
a heavier-than-air flying machine that uses lift generated by rotor blades revolving around a mast.
materials, frequently metal alloys, that have either been developed for, or have come to prominence through, their use for aerospace purposes.
Conventional aircraft where the wings do not move to create lift. Distinct from rotary aircraft such as helicopters, where the lifting surfaces (rotors) spin to create lift.
A technology which moves control surfaces by processing pilot input via software.
The standard pattern that traffic follows when landing at or taking off from an airport, or when performing touch-and-goes. The pattern - or circuit - can use either right-hand or left-hand turns and …
a radio navigation technology used by aircraft to determine their position and remain on-course.
the branch of physics which involves the study of fluids (liquids, gases, and plasmas) and the forces on them. Fluid mechanics can be divided into fluid statics, the study of fluids…
Questions dealing with regulations promulgated by the Civil Aviation Authority (CAA) of the United Kingdom.
In modern military usage, a missile, or guided missile, is a self-propelled precision-guided munition system, as opposed to an unguided self-propelled munition, referred to as a rocket. All known exi…
Electric engine used as non conventional propulsion system of an aircraft.
one of two "black boxes", used to record audio in the cockpit for the purpose of investigation of accidents and incidents.
small surfaces connected to the trailing edge of a larger control surface on a boat or aircraft, used to control the trim of the controls, i.e. to counteract hydro- or aerodynamic forces…
the European Air Safety Agency, a joint regulatory and investigative body responsible for both aviation regulations in the European Community *and* the investigation of accidents and incidents…
A company which designs or manufactures aircraft and/or aircraft parts
As the name suggests, Gas turbine engine compressors provide the compression part of the Gas turbine engine thermodynamic cycle. There are three basic categories of Gas turbine engine compressor: Axia…
Auxiliary Power Unit. A device for providing alternate power to an aircraft, usually located in the aircraft's tail.
Questions about air turbulence, clear air turbulence, or other air movements that cause loss of control and discomfort in flight
Questions on the critical speeds of an aircraft guiding elements such as rotation, climb, and maneuvering.
important notices to let pilots know of changed conditions or restrictions that are likely to affect the ability of pilots to conduct normal operations.
wind blowing across the direction of travel of an aircraft (as opposed to a headwind, or a tailwind).
Region on the earths surface beginning at 2,400 meters (8,000 ft)
For questions about the processes and procedures used when operating aircraft
Questions about the tail part of an aircraft, also called the empennage.