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Terms for subject Aviation (1801 entries)

area of responsibility	A geographical area within which alerting service is provided by an ATS unit designated as the responsible unit
area of responsibility	In the world area forecast system, a geographical area for which a regional area forecast centre prepares significant weather forecasts
armament safety check	Action taken by an aircrew to review armament selection switches to preclude the inadvertent -launch/release of armament
army corps	arco
arresting system	A safety device consisting of two major components, namely, engaging or catching devices and energy absorption devices, designed to arrest both tailhook- and non-tailhook-equipped aircraft. It is used to prevent aircraft from overrunning runways when the aircraft cannot be stopped after landing or during an aborted takeoff. There are various types of arresting systems, such as arresting gear, hook devices, and wire barrier cables.
arrival aircraft interval	The average number of minutes of longitudinal spacing required between arriving aircraft landing at an airport, based on the acceptance rate of the runway or runways
arrival control	A function of an approach control facility providing ATC service for arriving IFR and, under certain conditions, VFR aircraft
arrival controller	A duty controller assigned to an arrival control position
arrival report	A report submitted by a pilot that contains specific information concerning the arrival of an aircraft and that is forwarded, in the case of a flight plan (FP) to the ATS unit that has been assigned alerting service responsibility or, in the case of a flight itinerary (FI) to the ATS unit that has been assigned alerting service responsibility or to the responsible person with whom the itinerary was filed
arrival time	The time that an aircraft touches down on arrival
arv	arrive
arv	arrive
AS fragged	Fighter, FAC, mission package, or agency will be performing exactly as stated by the air tasking order
ASAT	Advanced Situational Trainer
assigned arrival time	The arrival time assigned to an aircraft landing at a specific airport that is based on the area control centre’s (ACC) estimates and recalculated to resolve simultaneous demands at the airport
assigned departure time	The departure time assigned to an aircraft, derived from its estimated time en route, that enables compliance with an issued arrival time at the destination airport
asynchronous balanced mode	A balanced operational mode in which a data link connection has been established between two service access points. Either data link entity can send commands at anytime and initiate responses without receiving permission from the peer data link entity on the connection.
ATC clearance	An authorization issued by an ATC unit for an aircraft to proceed within controlled airspace in accordance with the conditions specified by that unit
ATC Contingency Command Post	A facility which enables the Federal Aviation Administration (FAA) to manage the ATC system when significant portions of the system’s capabilities have been lost or are threatened
ATC service	A service provided for the purposes of (a) preventing collisions between (i) aircraft; (ii) aircraft and obstacles; and (iii) aircraft and vehicles on the manoeuvring area; and (b) expediting and maintaining an orderly flow of air traffic