• 55-3274 United States Army. Delivered 18th May 1956. Designated as U-1A.
Allocated to the 14th Army Aviation Company, Fort Riley, KS.
Re-designated the 1st Aviation Company and moved to Fort Benning, GA., 15-Aug-1956 until 02-Aug-1961.

57th Aviation Company at Fort Sill, OK., where it served from 02-Aug-1961 until Mar-1963.
Transferred in Aug-1963 to the Panama Canal Zone. In Feb-1966 it joined the 937th Engineer Company, also based in the Canal Zone, flying on survey duties with the Inter American Geodetic Survey (IAGS). It was noted at Santos Dumont Airport, Rio de Janeiro, Brazil in November 1967. This allocation continued until early 1968.
In April 1968 it went Sharpe Army Depot, Stockton, CA., for depot level maintenance and was transported from there to Vietnam, arriving with the 388th Transportation Company in Oct-1968.
2nd Signal Group Nov-1968 where it served until February 1970.
56th Transportation Company from Feb-1970 as a “maintenance float”.
Allocated Mar-1970 to the 54th Aviation Company until Jan-1971when the unit stood down.
56th Transportation Company Jan-1971.
388th Transportation Company at Vung Tau Feb-1971, who were responsible for storage and disposal.
Deleted from Army Inventory May and shipped to the Panama Canal Zone.
590th Aviation Maintenance Company at Albrook AFB., Panama Canal Zone where they were refurbished and painted in the colours of the Fuerza Aerea de Nicaragua.
• FAN-1011 Government of Nicaragua donated under a Military Aid Program for the Fuerza Aerea de Nicaragua. 1973
Accident: La Piragui, Nicaragua. 07-Sep-1976. Crashed in jungle and lay at the site for more than two years, until a rescue effort to retrieve them (to return it to Canada) arrived in February 1979 but was found to be too damaged to be salvaged and was cut up