Through the jet era we have operated almost everything at one time or another. Sure some are merger or short term need to fill a mission, but they were on our operation.
DC-8,9,10; MD80,90,95(717), -11; B 727,747-100,-400, 757-200,-200ER,-300, 767-200,-300,-300ER,-400ER, 737-200,-300,-700...