時間：2011-08-13 13:07來源：藍天飛行翻譯 作者：航空 點擊：次
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THAT IS CORRECT - The understanding you have is right. THRESHOLD - The beginning of that portion of the runway usable for landing. (See Airport Lighting, Displaced Threshold) THRESHOLD CROSSING HEIGHT/TCH - The theoretical height above the runway threshold at which the aircraft's glide slope antenna would be if the aircraft maintains the trajectory established by the mean Instrument Landing System glide slope or Microwave Landing System glide path. (See Glideslope/Glidepath, Threshold). THRESHOLD LIGHTS - (See Airport Lighting) THUNDERSTORM INTENSITY LEVELS - (See Radar Weather Echo Intensity Levels) TIME GROUP - Four digits representing the hour and minutes from the 24 hour clock. Time group without time zone indicators are understood to be Coordinated Universal Time (UTC); e.g., "0205". The term "Zulu" is used when Air Traffic Control procedures require a reference to Coordinated Universal Time. A time zone designator is used to indicate local time, e.g., "0205M". The end and beginning of the day are shown by "2400" and "0000", respectively. TORCHING - The burning of fuel at the end of an exhaust pipe or stack of a reciprocating aircraft engine, the result of an excessive richness in the fuel air mixture. TOTAL ESTIMATED ELAPSED TIME/TOTAL EET (ICAO) - For IFR flights, the estimated time required from take-off to arrive over that designated point, defined by reference to navigation aids, from which it is intended that an instrument approach procedure will be commenced, or if no navigation aid is associated with the destination aerodrome, to arrive over the destination aerodrome. For VFR flights, the estimated time required from take-off to arrive over the destination aerodrome (for use in international flight planning). (See Estimated Elapsed Time). TOUCH AND GO/TOUCH AND GO LANDING - An operation by an aircraft that lands and departs on a runway without stopping or exiting the runway. TOUCHDOWN (P/CG) - (1) The point at which an aircraft first makes contact with the landing surface. (2)
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