• 55-3299 United States Army. Delivered 18-Sep-1956. Designated U-1A.
Initially assigned to the 2nd Aviation Company, Fort Riley, KS.
Aug/Sep 1957 to Brookley AFB, Mobile, AL. Here the aircraft was loaded on board a ship serving with the Military Sea Transportation Service, which set sail for Bremerhaven, Germany arriving later in 1957.
2nd Aviation Company based at Illesheim, Germany until Jul-1959 when the unit 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
It is understood this aircraft was based at Orléans,
Noted at Prestwick – EGPK by Neil Aird on 12-Aug-1964. A regular visitor.
May-1966. transferred to the Headquarters Company, 8th Infantry Division, Germany.
Nov 1967 Passed to Coleman Barracks Depot, Mannheim, Germany and was transported from there to the United States and onwards to Vietnam.
May-1968. 388th Transportation Company, Vung Tau in May 1968.
Sep-1968 it was assigned to the 18th Aviation Company, Pleiku, Vietnam until unit stood down on 16-Apr 1971.
Incident: 28-Jan-1969. On a flight from Pleiku to An Khe, as the aircraft started through the Man Yang Pass, the engine lost power and began to run rough. The pilot immediately turned back toward Pleiku and began a long final for a precautionary landing at Camp Holloway, Pleiku. The engine failed completely on final approach. A forced landing was made beside the road at Suoi Doi, without damage to the aircraft. It was then taxied into a small compound near Suoi Doi for the night and repaired the following day. It was then flown out without further incident”.
Mar-1971 To the 388th Transportation Company at Vung Tau, responsible for the storage and disposal of all US Army Otters in Vietnam.
• 53299 (Assumed serial carried). Government of Cambodia for Khmer Air Force prior to 30-Jun-1971. Believed Believed damaged during a rocket attack on Pochentong Air Base, Cambodia 21-Mar-1972. Withdrawn from use as repair beyond the capability of Pochentong and scrapped on an unknown date.