• 58-1708. US Army. Delivered 14-Apr-1959. Designated U-1A.
Initially assigned to the 18th Aviation Company at Fort Riley, KS.
Dec-1962. Deployed to Vietnam with the 18th Aviation Company.
May-1966 Returned to USA to the Army Aeronautical Depot Maintenance Centre ARADMAC Depot, Corpus Christi, TX, for overhaul.
Jul-1966. 54th Aviation Company, in Vietnam until Mar-1969.
Sep-1969. Arrived at Sharpe Army Depot, Stockton, CA.
Oct-1969. Passed to Atlanta, Georgia Army Depot, where it was put into storage.
Jan-1971. To Yuma, AZ., as a test support aircraft with the U. S. Army Materiel Command.
Accident . Location unknown. Nov-1972. Details unknown. The damaged aircraft was scrapped.