时间：2012-03-20 12:07来源：蓝天飞行翻译 作者：航空 点击：次
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Takeoff Alternate Fuel – the fuel required for diversion after takeoff to an approach and landing at a designated takeoff alternate whenever the weather conditions at the airport of departure are at or below the applicable airport operating landing minima or other operational conditions exist that would preclude a return to the departure airport. Enroute Alternate Fuel – the fuel required for a diversion to an approach and landing at a designated enroute alternate after an aircraft experiences an abnormal or emergency condition while enroute. ETOPS Enroute Alternate Fuel – the fuel required for a diversion to an approach and landing at a designated ETOPS enroute alternate at which an aircraft would be able to land after experiencing an engine shutdown or other abnormal or emergency condition while en route in an ETOPS operation. Destination Alternate Fuel – the fuel required for a missed approach at the destination and diversion to an approach and landing at a designated alternate airport via an appropriate ATC routing and under conditions of altitude and fuel consumption designated by the Authority. Holding Fuel – the fuel that is required for anticipated and/or possible air traffic, weather, low visibility/instrument landing conditions, or other in-flight delays. Fuel that is planned for anticipated possible air traffic, weather, or other inflight delay; Contingency fuel – the fuel, in addition to trip fuel, that is required for contingencies such as un-forecast en-route variations in winds, temperatures and flight routing. Reserve fuel – the required fuel, in addition to trip fuel, that is not planned for normal use but remains available for unplanned events in the case where all other useable fuel beyond trip, contingency, holding and alternate fuel has been consumed. This fuel is to be used only when there is no other safer alternative and is often defined by the Authority. Additional Fuel – the fuel that is transported for operational purposes such as fuel carried to meet MEL requirements or as ballast for weight and balance purposes (also referred to as unusable fuel). |
