影响飞行高度保持的主要因素是与飞行人员、飞机有关的高度表误差、飞行技术误差和静压源误差的大小,实际工作中,前两者容易被注意和重视,静压源误差无论是采用气动补偿式空速管,还是大气数据计算机,都很难完全修正和补偿掉,况且这两项技术,除后者在西方生产的先进运输机上有所应用外, The main factors that affect the flight altitude are the altimeter error, flight technical error and hydrostatic source error related to the flight crew and aircraft. In practical work, the former two are easy to be noticed and valued. The error of static pressure source Pneumatic compensated pitot tube, or air data computer, are difficult to completely correct and compensate, Moreover, these two technologies, with the latter in addition to the advanced transport aircraft produced in the West,