. . "McDonnell Douglas DC-9-15MC/RC" . "McDonnell Douglas DC-9-32" . "DC-9-40" . "McDonnell Douglas DC-9-32s" . . "Douglas DC-9-15F" . . . . "Douglas Model 2067" . "DC-9-32" . "1982" . . . "McDonnell Douglas MD-87" . . . . . . . "McDonnell Douglas DC-9#Series 40" . . . "40" . "McDonnell Douglas DC-9-20 and -40" . "McDonnell Douglas DC-9#Series 30" . . "McDonnell Douglas DC-9-33RC" . . "Douglas DC-9-30" . "McDonnell Douglas DC-9-20" . . . . . . . "DC-9-51" . "McDonnell Douglas DC-9-33F" . . . "Douglas DC-9" . . "Douglas DC-9-21" . . . "McDonnell Douglas DC-9" . "976" . . . . "DC-9 Series 10" . . . "McDonnell Douglas DC-9#Variants" . . . . "McDonnell Douglas DC-9-14" . "McDonnell Douglas DC-9-30" . . . "DC9" . "McDonnell Douglas DC-9-34CF" . . "Douglas DC-9-31" . . . . "Douglas DC-9-52" . "VC-9C" . "Douglas DC-9-14" . . . "a DC-9" . "McDonnell Douglas DC-9-50" . . "DC-9 jets" . . . . "McDonnell Douglas DC-9#Operators" . . . . "McDonnell Douglas DC-9-15MC" . "McDonnell Douglas DC-9-31" . "Douglas DC-9-15" . "McDonnell Douglas DC-9-15F" . . . "DC-9-31" . "Douglas C-9A Nightingale" . . . . . "McDonnell Douglas MD-83" . . . . "DC-9-15" . . . "McDonnell Douglas DC-9-9-31" . . "DC-9-14" . "McDonnell Douglas DC-9-32F" . . "McDonnell Douglas DC-9#Series 20" . "1965-12-08" . "McDonnell Douglas DC-9 Series 10" . . . . "McDonnell Douglas DC-9-32CF" . "McDonnell Douglas DC-9-15RC" . . . "DC-9-50" . "McDonnell Douglas DC-9-33CF" . . . "Douglas DC-9-15RC" . . . . . . . . . . "McDonnell-Douglas DC-9" . "DC-9" . "-30" . . . . . "McDonnell Douglas DC-9#Series 50" . . . . "McDonnell Douglas DC-9-21" . . . "McDonnell Douglas DC-9-34" . "DC-9s" . "1965" . "Douglas DC-9-30F" . . . . "DC-9/30" . "Douglas DC-9-10" . . . . . "McDonnell Douglas DC-9-41" . . . . "DC-9 jet" . "C-9B Skytrain IIs" . "McDonnell Douglas DC-9-10" . . "DC-9 aircraft" . "McDonnell Douglas DC-9-30CF" . . "McDonnell Douglas DC-9-" . "C-9" . . . . . "McDonnell Douglas DC-9-30C" . "McDonnell Douglas DC-9-15" . "Douglas DC-9-51" . . . "DC-9-30" . "McDonnell Douglas DC-9-40" . "DC9s" . . . . "Douglas DC-9-32" . . . . "Douglas Dc-9-30" . . . . . "McDonnell Douglas DC-9-51" . . "DC-9-10" . . . "McDonnell Douglas DC-9" . "McDonnell Douglas DC-9#Series 10" . . .