Originally Posted by
jlemon
... 42. This airline was operating nonstop jet service every weekday on the short hop from Dallas Love Field to Greater Southwest Airport (GSW). However, the return flight from GSW to DAL was operated with non jet equipment. Identify the air carrier and the respective aircraft types it operated in each direction. ...
I think there are two airline contenders here, both with the same set of equipment possibilities ...
airlines: American, Braniff
jet service: BAC 1-11, Boeing 727
non-jet service: Convair, DC-6, Electra
so there are twelve permutations ... first guess is BN, BAC, Electra