時間：2011-03-11 23:13來源：藍(lán)天飛行翻譯 作者：admin 點擊：次
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flight director system (aircraft automatic flight control system). An automatic flight control system in which the commands needed to fly the aircraft are computed by the system, shown on a flight instrument, and followed by the human pilot. In an automatic pilot, these same commands are sent to servos that move the flight controls. flight engineer. A flightcrew member of a large aircraft who is responsible for the mechanical operation of the aircraft and its engines. His or her duties include monitoring the engines, the electrical systems, the fuel system, and the environmental control system. flight idle (gas turbine engine operation). An engine speed that produces a minimum amount of flight thrust. Flight idle RPM is usually in the 70% to 80% RPM range. flight information service. A service provided by the FAA for the purpose of giving advice and information useful for safe and efficient conduct of flights. flight inspection (air navigation aids). In-flight investigation and evaluation of navigational aids to determine whether they meet established tolerances. flight level. A measure of altitude used by aircraft flying above 18,000 feet. Flight levels are indicated by three digits representing the pressure altitude in hundreds of feet. An airplane flying at flight level 360 is flying at a pressure altitude of 36,000 feet. This is expressed as FL 360. See pressure altitude. 14 CFR Part 1: “A level of constant atmospheric pressure related to a reference datum of 29.92 inches of mercury. Each is stated in three digits that represents hundreds of feet. For example, flight level 250 represents a barometric altimeter indication of 25,000 feet; flight level 255, an indication of 25,500 feet.” flight line (airport area). The area of an airport in which aircraft are parked while they are being prepared for flight. Flight lines are also called ramps or tarmacs. flight management systems. See FMS. |
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