Delivered to Western Air Lines as N74613 in 1960. To Pan Am in 1962. Reregistered as N778PA in 1964. To Turk Hava Yollari as TC-JBE then returned to Pan Am as N779PA in 1974. To Bangladesh Biman as S2-AAL in 1976 then to Transasian as 9G-ACJ in 1977. Leased to Mandala Airlines from 11/78 to 01/79. Reregistered as G-TJAA in 1979. Back to N778PA in 1980. Withdrawn from use at Davis Monthan AFB in 1986 and used for parts for the KC-135E program.