時(shí)間：2011-10-20 00:58來源：藍(lán)天飛行翻譯 作者：航空 點(diǎn)擊：次
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‘Category’ as used with respect to; Category A, with respect to rotorcraft, means a multi-engined rotorcraft designed with engine and system isolation features specified in CS–27 / CS–29 and capable of operations using take-off and landing data scheduled under a critical engine failure concept which assures adequate designated surface area and adequate performance capability for continued safe flight or safe rejected take-off in the event of engine failure. Category B, with respect to rotorcraft, means a single-engine or multi-engine rotorcraft which does not meet Category A standards. Category B rotorcraft have no guaranteed capability to continue safe flight in the event of an engine failure, and unscheduled landing is assumed. ‘Charge Cooling’ (piston engines) means the percentage degree of charge cooling, quantitatively expressed as: where: t1 is the temperature of the air entering the charge cooler coolant radiator in the power-plant, t2 is the temperature of the charge without cooling, and t3 is the temperature of the charge with cooling. ‘Civil Aircraft’ means any aircraft on the civil register of a State, other than those which that State treats as being in the service of the State, either permanently or temporarily. ‘Clearway’ means, for turbine engine powered aeroplanes certificated after August 29, 1959, an area beyond the runway, not less than 152 m (500 ft) wide, centrally located about the extended centreline of the runway, and under the control of the airport authorities. The clearway is expressed in terms of a clearway plane, extending from the end of the runway with an upward slope not exceeding 1·25%, above which no object or terrain protrudes. However, threshold lights may protrude above the plane if their height above the end of the runway is 0·66 m (26 ins) or less and if they are located to each side of the runway. |
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