چگونه خطوط هوایی سعی می‌کنند از امنیت خلبانان برای پرواز مطمئن شوند

How airlines try to make sure pilots are safe to fly

The apparent attack by the co-pilot on a flight to Israel, in which he stabbed his captain and tried to crash the plane, is a reminder that the cockpit is an extremely sensitive place in terms of aviation safety. What can be done to stop an airline pilot from deliberately crashing a plane? - What happened? -