目前我国航空货运仍以客机腹舱载货为主,货机为辅,73%左右为100~200座级的窄体客机,相当一部分客机腹舱吨位空置(特别是国内航班)。每一个航班的利润决定于收入和成本,对成本的控制主要是对固定成本和变动成本的控制。一般来说,飞机 At present, China’s air cargo is still dominated by passenger cargo belly compartment, freight plane supplemented, about 73% of 100 to 200 seat narrow body aircraft, a considerable part of the passenger aircraft belly tonnage vacant (especially domestic flights). The profit of each flight is determined by revenue and costs, and control of costs is mainly control of fixed and variable costs. In general, the plane