• 58-1717 United States Army. Delivered 16-Jul-1959. Designated as U-1A.
Initially assigned to the 18th Aviation Company, Fort Riley, KS.
Dec-1962 Travelled with the 18th Aviation Company to Vietnam in December 1962.
Feb-1966 Returned to the US and the Army Aeronautical Depot Maintenance Centre (ARADMAC) Depot, Corpus Christi, TX for overhaul.
Apr-1966. Returned to Vietnam joining the 54th Aviation Company.
Mar-1968 Re-joined 18th Aviation Company.
Dec-1968. 2nd Signal Group.
Feb-1970. 56th Transportation Company.
Mar-1970. 54th Aviation Company.
Jan-1971. %6th Aviation Company.
Feb-1971. 388th Transportation Company at Vung Tau. Remained in storage.
Aug-1971. Deleted from Army inventory.
• 0-81717. (Unconfirmed serial.) Passed to Cambodian Government for the Khmer Air Force. Late 1971.
Accident Near Pochentong, Vietnam. 26-Jan-1972. Suffered engine failure and was damaged in the ensuing forced landing. Remained derelict at Pochentong until the base was over-run by Khmer Rouge communist forces in April 1975 after which it was destroyed.