• 58-1698 US Army. Delivered 21-Jan-1959. Designated U-1A.
Initially assigned to the 17th Aviation Company, Fort Ord, California
Jan-1962. Transferred to 18th Aviation Company and deployed to Vietnam.
Aug-1963. Passed to the 339th Transportation Company, Vietnam following a landing accident. Details unknown.
Oct-1963. US Army Flight Detachment, Vietnam.
Nov-1963. 339th Transportation Company, Vietnam.
Jan-1994. 18th Aviation Company, Vietnam.
Feb-1966. 54th Aviation Company, Vietnam.
Jun-1966 Returned to the USA and to the Army Aeronautical Depot Maintenance Center (ARADMAC) Depot, Corpus Christi, TX.
Sep-1966. Returned to18th Aviation Company, Vietnam.
Oct-1968. 79th Transportation Company to prepare for a return to the USA.
Nov-1968. Sharpe Army Depot, Stockton, CA., in November 1968, where it remained in store.
Jun-1970. Army Electronics Command, Fort Monmouth, NJ. Aircraft based at Lakehurst Naval Air Station, NJ.
Accident: Location unknown. Oct-1975. Details of accident unknown.
• 58-1698 Deleted from Army inventory, Nov-1975.