• 55-3281 United States Army on 20th June 1956.
Assigned to 2nd Aviation Company, Fort Riley, KS.
April/May 1957 to Brookley AFB., Mobile, AL. Here the aircraft were loaded on board the 'USS Tripoli', an aircraft carrier then serving with the Military Sea Transportation Service, which set sail for Bremerhaven, Germany arriving on 16-May-1967.
2nd Aviation Company based at Illesheim, Germany until Jul-1959 when the unit moved to France.
The Company headquarters of the 2nd Aviation Company and one platoon were based at Orléans, a second platoon at Verdun and a third platoon at Poitiers. During its time in France the aircraft was either based at or visited all three locations for different levels of maintenance
Jan-1962. At Coleman Barracks Depot, Mannheim, Germany.
May-1962 Allocated to Southern European Task Force (SETAF) Vicenza, Italy, where it served until September 1963.
Note: History between 1983 and Jul 1968
To Sharpe Army Depot, Stockton, CA in July 1968 for overhaul.
Mar-1970. 388th Transportation Company, Vung Tau, Vietnam.
Aug-1970 18th Aviation Company and based at Qui Nhon, Vietnam. Stood down in January 1971.
Jan-1971 79th Transportation Company at Qui Nhon and was shipped back to the United States.
May 1971 Army Red River Depot Texarkana, TX and put into storage and deleted from the Army inventory in May-1971. Put up for sale as “salvage”
• Un regd J. W. Duff Aircraft Company, Denver, CO. (Purchased 15-May-1973 for $31,800.)
• N88753 Seneca Aviation Inc., Mena, AR. Purchased 27-Feb-1973. Regd 01-Mar-1973. Rebuilt and put into civilian configuration. Canx 26th October '73
Airworthiness date: 21-May-1973.
Total time: 3,553hrs at May-1973.
• CF-KOA Lauzon Aviation Company Ltd., Algoma Mills, ON, Regd circa Oct-1973.
• CF-KOA Parsons Airways Northern Ltd., Flin Flon, MB. Regd circa Mar-1979.. Canx 07-Mar-1988.
• CF-KOA Sioux Narrows Airways Ltd., Winnipeg, MB. Based Yellowknife, NT. Regd 28-Feb-1990. Canx 24-Jun-2011.
Power plant: Changed to: Polish PZL 1000.
Incident: Thirty miles north of Thompson, MB 18-Jun-2001. Aircraft was in the cruise when the pilot noticed the carburettor temperature indicator was above the normal range. He elected to return to Thompson and landed without incident. a cracked weld was found in the exhaust system near the engine air intake
Incident: Forty eight miles west of Fort Resolution, NT, 27-Jun-2001. during a float take-off on a small lake, the engine failed. The pilot was able to land back on the lake without damage to the aircraft and relay his situation to Fort Smith through a passing airliner. Again the Otter was repaired and resumed service.
• CF-KOA Blue Water Aviation Services Ltd., Pine Falls, MB. Based Silver Falls, MB. Regd 24-Jun-2011. Canx 08-Jan-2015. regd 21-Mar-2016.
Note: Converted to turbine power engine, date currently unknown.
• C-FKOA Plummer’s Lodge titles. Date of re registration currently unknown.