an airport employee in special clothes and headphones conducts pre-flight testing of the aircraft. the plane is on the runway. the

aircraft plane airport airplane aviation flight jet transportation travel transport runway airliner airline departure fly arrival worker work service crew vacation commercial tourism man industry engineer landing cockpit person job takeoff staff machine employee control male people airfield journey check inspection controller gesture engineering voyage repair nose prow fuselage special clothes headphones conducts pre-flight testing aircraft runway close-up checking -board systems