• 55-3295 United States Army. Delivered 04-Sep-1956. Designated U-1A.
• 55-3295 Loaned to United States Navy, VX-6 Sqd, Quonset Point, RI,. for crew training prior to them deploying to Antarctica.
Returned to US Army at Fort Riley, KS., and joined the 2nd Aviation Company.
Late-1956. 2nd Aviation Company Illesheim, Germany.
Later 3rd Aviation Company, Illesheim until that Company disbanded in November 1959.
Nov-1959. Southern European Task Force, (SETAF), based at Verona in Italy.
Feb-1963. 48th Transportation Company, Goppingen, Germany.
September 1963. 2nd Military Intelligence Battalion, Sembach Air Base, Germany.
May-1964. Army Aeronautical Depot Maintenance Center (ARADMAC) Depot, Corpus Christi, TX for overhaul prior to service in Vietnam.
Feb-1966. 54th Aviation Company, Vung Tau., Vietnam.
May 1966 Returned to the Army Aeronautical Depot Maintenance Center (ARADMAC) Depot, Corpus Christi, TX.
Aug-1966. 18th Aviation Company, Qui Nhon, Vietnam. in August 1966
Dec 1970. Transferred to the 165th Combat Aviation Group,
May 1971. Put into storage with the 388th Transportation Company, Vung Tau, who were responsible for the disposal of all US Army Otters in Vietnam.
July 1971. Deleted from the Army inventory.
• 53295 Government of Cambodia during 1971. Withdrawn from use and presumed scrapped.