Corrected entry: Billy has his cancelled licence returned to him, and he leafs through the contents of the envelope. He held one licence, and one only - a helicopter pilot's licence. Yet he is hired by the CIA to fly fixed wing aircraft in Cambodia for Air America. Flying a fixed wing aircraft is nothing like flying a helicopter. It is a totally different skill set and has a different licencing system. He would have to learn to fly the C123s and Norsemen cargo aircraft almost from scratch. In that case, why would he have been of any interest to an organisation seeking skilled pilots?