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Terms for subject Aviation (1801 entries)

trace icing	An atmospheric condition in which ice becomes perceptible, the rate of accumulation being slightly greater than the rate of sublimation. It is not hazardous, even when de-icing or anti-icing equipment is not utilized, unless encountered for periods of more than 1 hr.
track	The projection on the earth’s surface of the path of an aircraft, the direction of which path at any point is usually expressed in degrees from true, magnetic or grid north
traffic advisory	An advisory issued by airborne collision avoidance system (ACAS) alert and collision avoidance system (TCAS) to alert pilots to other air traffic that may be in such proximity to the position or intended route of flight of their aircraft as to warrant their attention
traffic alert and collision avoidance system	A type of airborne collision avoidance system (ACAS) based on a family of airborne equipment that functions independently of the ground-based ATC system to detect potential conflicting aircraft that are equipped with secondary surveillance radar (SSR) transponders. There are three different versions: TCAS I provides traffic advisories; TCAS II provides traffic advisories and vertical resolution advisories (RA) and TCAS IV, when developed, will provide traffic advisories and vertical and horizontal RAs.
traffic circuit	The specified path to be flown by aircraft operating in the vicinity of an aerodrome
traffic information	Information issued by ATS to pilots regarding other known or observed traffic that may be in such proximity to their position or intended route as to warrant their attention
Traffic Information Services-Broadcast	TIS-Broadcast	Michae­lBurov
traffic pattern	The specified path to be flown by aircraft operating in the vicinity of an aerodrome
Tram	Ram Air Temperature	ВосьМо­й
transcribed weather broadcast	A continuous recording of meteorological and aeronautical information that is broadcast on L/MF and VOR facilities for pilots
transfer of control	A transfer of the responsibility for providing ATC service from one ATC unit to another
transferring unit	An ATC unit that is in the process of transferring the responsibility for providing ATC service to an aircraft to the next ATC unit along the route of flight
Transit Corridor (NATO)	TC
Transit Level (NATO)	TL
transition	The general term that describes the change from one phase of flight or flight conditions to another, e.g. transition from en route flight to the approach or transition from instrument flight to visual flight.
transition	A published procedure used to connect the basic standard instrument departure (SID) to one or more en route airways or to connect one or more en route airways to the basic standard terminal arrival (STAR) More than one transition may be published in the associated SID or STAR.
transition	A route depicted on instrument approach charts to designate routes for aircraft to proceed from the en route structure to a point on the instrument approach procedure
transition	trn
transition altitude	The altitude at or below which the vertical position of an aircraft is controlled by reference to altitudes
transition area	An area established when it is deemed advantageous or necessary to provide additional controlled airspace for the containment of IFR operations