时间:2011-08-28 15:32来源:蓝天飞行翻译 作者:航空 点击:次
. abbreviation: TCU Fr: unité de contr.le terminal terminal occupancy value The maximum number of arriving aircraft that the terminal airspace can accommodate while meeting the objectives of the metering program. . abbreviation: TOV Fr: valeur d’occupation de l’espace aérien terminal terminal radar service area U.S.: Airspace surrounding designated airports wherein ATC provides radar vectoring, sequencing, and separation on a full-time basis for all IFR and participating VFR aircraft. . abbreviation: TRSA terrain following The flight of a military aircraft maintaining a constant altitude above ground level (AGL) above the terrain or the highest obstacle. The altitude of the aircraft will constantly change with varying terrain and obstacles. . abbreviation: TF Fr: suivi de relief test flight A flight for the purpose of investigating the operational and flight characteristics of an aircraft or an aircraft component. . see also: flight test Fr: vol d’essai TF Abbreviation for: terrain following Fr: TF 360 overhead Other expression for: overhead break threshold The beginning of the portion of the runway usable for landing. Fr: seuil threshold crossing height The height of the glide path (GP) above the runway threshold. . abbreviation: TCH Fr: hauteur de franchissement du seuil threshold lights Lights placed across the ends of a runway or landing strip to indicate its usable limits. Fr: feux de seuil TIBS U.S.: Abbreviation for: Telephone Information Briefing Service . see: pilots’ automatic telephone weather answering system (PATWAS) “Tighten your approach” An expression used by ATC to ask a pilot to shorten his or her aerodrome traffic circuit. Fr: . Gardez le circuit serré . tiltrotor aircraft A rotorcraft with the axes of the power-driven proprotor blades capable of pivoting from vertical for vertical takeoff, landing, and hover operations to horizontal to derive lift from the wing in cruise. Fr: aéronef à rotors basculants time of activation The time, expressed in Co-Ordinated Universal Time (UTC), at which an aircraft departs from, or is estimated to arrive over, a specified point of activation. Fr: heure d’activation TLOF Abbreviation for: touchdown and lift-off area Fr: TLOF TMA ICAO: Abbreviation for: terminal control area (TCA) Fr: TMA torching The burning of fuel at the end of an exhaust pipe or stack of a reciprocating aircraft engine resulting from an excessive richness in the fuel/air mixture. Fr: coup de chalumeau total EET Abbreviation for: total estimated elapsed time total estimated elapsed time (1) For IFR flights, the estimated time required from takeoff to arrive over the designated point, defined by reference to NAVAIDs, from which it is intended that an instrument approach procedure (IAP) will be commenced or, if no NAVAID is associated with the destination aerodrome, to arrive over the destination aerodrome. |
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