Originally Posted by jlemon

31. (1966) Business requires you to fly from Tulsa, Oklahoma to Wichita, Kansas next week. Only one airline serves this route, operating three daily flights. One flight is operated with piston engine equipment, one with turbo prop equipment and one with turbofan equipment. Identify the airline and the three different aircraft types utilized here.

So given the fact the timeline is 1966 and thus not 1965, I'll go with Continental operating the Douglas DC-9-10 in addition to the DC-6B and Vickers Viscount.

You got it, JL! Apologies for the typo!

Continental CO 793 Tulsa (TUL) 700a-747a B Wichita (ICT) DC-6
Continental CO 241 Tulsa (TUL) 940a-1020a Wichita (ICT) Viscount
Continental CO 143 Tulsa (TUL) 325p-401p Wichita (ICT) DC-9-10