Glossary of Terms
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Aircraft-based augmentation system
An augmentation system which augments and/or integrates the information obtained from the other GNSS elements with information available on board the aircraft.
‘Abortive Start’ (turbine engines) means an attempt to start, in which the engine lights up, but fails to accelerate.
Accident. An occurrence associated with the operation of an aircraft which, in the case of a manned aircraft, takes place
Accredited representative. A person designated by a State, on the basis of his or her qualifications, for the purpose of
A.C.D. - Additional Control Device
Aircraft classification number (ACN). A number expressing the relative effect of an aircraft on a pavement for a specified
“acrobatic flight” means manoeuvres intentionally performed by an aircraft involving an
Acts of unlawful interference
Acts of unlawful interference. These are acts or attempted acts such as to jeopardize the safety of civil aviation, including but
Air defence identification zone. Special designated airspace of defined dimensions within which aircraft are required to