When all the instruments had been checked out according to the established routine, the aircraft commander signalled that he was ready for take-off. 机长按照规定程序检查了全部仪器，然后发出信号，可以起飞了。
The crew of a civil aircraft is composed of a pilot-in-command and other flight personnel. 第四十三条民用航空器机组由机长和其他空勤人员组成。
