• 58-1692 United States Army. Delivered 02-Dec-1958. Designated U-1A.
Initially delivered to Sharpe Army Depot, Stockton, CA.
Date unknown. Allocated to 17th Aviation Company, Fort Ord, CA.
Jan-1962. Assigned to the 18th Aviation Company for deployment to Vietnam. Actual date and location in Vietnam currently unknown.
Incident: Pleiku, Vietnam. Forced landing because of power failure. Returned to flying condition by 339th Transport Command.
Apr-1966. Returned to the US to Army Aeronautical Depot Maintenance Centre (ARADMAC), Corpus Christi, TX for depot level overhaul.
Jun-1966. Returned to Vietnam with the 54th Aviation Company.
Oct-1970. 56th Transportation Company.
Jan-1971. 166th Aviation Maintenance Detachment.
Apr-1971. Sharpe Army Depot, Stockton, CA., where it was stored.
Feb-1973. Deleted from Army inventory. Jan-1975.
• N90575 Harold J. Hansen, Boeing Field, Seattle, WA. Regd Jan-1975.
• N90575 Frontier Flying Service, Fairbanks, AK., on lease from Harold Hansen. Regd circa Jul-1975.
Accident. Kuskokwim River, AK. 23-Sep-1975. The Otter was on a cargo run, taking off from the Kuskokwim River en route to Minchumina, in gusty wind conditions, with inoperative flaps. There was insufficient room for the take off, and the Otter collided with a dirt bank in the river, causing substantial damage. See narrative for further information regarding accident and repair.
• N90575 Lawrence C (Buck) Maxon, dba Maxon Aviation, Kotzebue, AK. Regd 12-Oct-1978. Canx 0901-Apr-1980 on export to Canada.
Accident. Trail Creek, AK. 1st July 1979. The Otter had departed from its base at Kotzebue with a load of freight and was landing at Trail Creek, when the gear collapsed.
Note: Taken to Calgary, AB., where it was repaired by Kimba Air Services.
• C-GMDG Air Park Aviation Ltd., Lac du Bonnet, MB. Regd Jun-1980. Canx 06-Jan-1983.
• C-GMDG L S D Aviation Ltd., Fort Frances, ON. Regd date unknown. Canx 28-Jun-1983.
• C-GMDG Fort Frances Sportsmen Airways Ltd., Fort Frances. ON. (Northern Wilderness Outfitters) Regd 19-Apr-1984.
Power plant. Converted to Vazar, 750 hp Pratt & Whitney PT-6A turboprop.
Note: Currently wears Northern Wilderness Outfitters logos.
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