• 57-6120. United States Army. Delivered 17-Apr-1958. Designated U-1A.
Initally assigned to 12th Aviation Company based at Fort Sill, OK.
Jan-1963. Aviation Section at Fort Ord, CA., in the role of operational support airlift.
Feb-1966. Otter School at Fort Ord, CA., used to train pilots transitioning onto the Otter.
May-1966 Assigned to Fort Bragg, NC., again in the operational support airlift role.
Oct-1967 To the Army Depot at Atlanta, GA., for overhaul.
Aug & Sep-1968. Army Depot at Red River, TX., where it was in active storage.
Oct-1968. it joined the Military Assistance Advisory Group (MAAG) Thailand Support Flight. Bangkok, Thailand.
Jun-1971. At Vung Tau, Vietnam, where it was scrapped.
Aug-1971. Removed from US Army inventory.