THINKING INSIDE AND OUTSIDE THE BOX

摘要

Before a freighter pushes back from the apron, and the pilots go through the checklist of the critical systems and equipment on the aircraft, might it seem unusual to only check the sensors on three of the four engines? Or maybe test the flaps and rudder, but not the horizontal stabilizers? Of course it would - that would be irresponsible, if not borderline suicidal.