NLA/KS Type Model Cabins First flight Flights Flown DC6 Douglas DC-6 Y 1963-07-2222 Jul 1963 6 2,192 UAL/UA Type Model Cabins First flight Flights Flown DC85 Douglas DC-8-50 Y 1963-08-022 Aug 1963 3 1,898 AIO Type Model Cabins First flight Flights Flown DC6 Douglas DC-6 Y 1963-07-1818 Jul 1963 6 8,988 DC3 Douglas DC-3 Y 1963-07-2222 Jul 1963 1 197