VII 1 • series airplanes: Canadair Challenger Model CL-600-2B16 and -2Al2 series airplanes: iJ I British Aerospace Model 125-800A: Gulf:stream Model Gil, GLIB. GIII. and GIV series airplanes- Lockheed Model L-1011 series airplanes; McDonnell Douglas Model DC-9-10, -20, -30-, -40, and -50; DC-10-10, -