• 55-3277 United States Army. Delivered on 19th May 1956. Designated as U-1A.
Assigned to the 2nd Aviation Company, Fort Riley, KS.
April/May 1957 to Brookley AFB, Mobile, Alabama. Here the aircraft were loaded on board the 'USS Tripoli', an aircraft carrier then serving with the Military Sea Transportation Service, which set sail for Bremerhaven, Germany arriving on 16-May-1967.
2nd Aviation Company based at Illesheim, until July 1959 when moved to France.
The Company headquarters of the 2nd Aviation Company and one platoon were based at Orléans, a second platoon at Verdun and a third platoon at Poitiers. During its time in France the aircraft was either based at or visited all three locations for different levels of maintenance.
By January 1962 the aircraft was serving with the Southern European Task Force, SETAF, based at Verona in Italy.
In April 1962 it joined the Headquarters Company, First Brigade, 8th Infantry Division, Germany.
Coleman Barracks, Mannheim, Germany for maintenance May-1982.
In November 1962 it re-joined the 2nd Aviation Company in France until July 1966.
Noted at Prestwick - EGPK, Scotland 23-May-1964 by Neil Aird.
Jul-1966 into storage at Coleman Barracks, Mannheim, Germany.
66th Aviation Company, Bonames, Germany, between Jun-1967 and Oct-1967 when it returned to the depot at Coleman Barracks.
Returned to the USA and then to Vietnam with the 54th Aviation Company in Mar-1968 until disbanded in Jan-1971.
It was then entrusted to the 56th Transportation Company at Long Thanh North and then to Vung Tau, where it was taken on charge by the 388th Transportation Company, which was responsible for disposing of all the Army Otters in Vietnam.
• 53277 Government of Cambodia during 1971. (Actual serial unconfirmed).
Note: Reported as withdrawn from use and scrapped.