西锐20飞机符号、缩写和术语 SR20 Symbols, Abbreviations and Terminology

时间：2011-10-10 11:31来源：蓝天飞行翻译 作者：航空 点击：次

• Basic Empty Weight is the actual weight of the airplane including all operating equipment that has a fixed location in the airplane. The basic empty weight includes the weight of unusable fuel and full oil.
MAC Mean Aerodynamic Chord is the chord drawn through the centroid of the wing plan area.
LEMAC Leading Edge of Mean Aerodynamic Chord is the forward edge of MAC given in inches aft of the reference datum (fuselage station).
• Maximum Gross Weight is the maximum permissible weight of the airplane and its contents as listed in the aircraft specifications.
• Moment is the product of the weight of an item multiplied by its arm.
• Useful Load is the basic empty weight subtracted from the maximum weight of the aircraft. It is the maximum allowable combined weight of pilot, passengers, fuel and baggage.

Station is a location along the airplane fuselage measured in inches from the reference datum and expressed as a number. For example: A point 123 inches aft of the reference datum is Fuselage Station 123.0 (FS 123).
• Reference Datum is an imaginary vertical plane from which all horizontal distances are measured for balance purposes.
• Tare is the weight of all items used to hold or position the airplane on the scales for weighing. Tare includes blocks, shims, and chocks. Tare weight must be subtracted from the associated scale reading.

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