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msn 400
DHC-6 Twin Otter Series 300
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msn 400

Series 300

N25KA • N22RM(2) • N137AP • C-GPPT • N35HB • C-GPPT • N2916N • N177TA  C-GJAT • N707PV


• Registration • Activity and details of Owner/Operator and other historical information

• N25KA de Havilland Canada Inc.,  Downsview, ON. Rolled out -1974. First flight -1974.

• N25KA Sun Valley Key Airlines, Salt Lake City, UT., 18-Dec-1973.

• N25KA Change of name to Key Airlines, Salt Lake City, UT., 1975.

• N25KA Sold to Cochise Airlines, Tuscon. AZ., [BA Leasing Corporation, San Francisco, CA].1975.

• N25KA Sold to Rocky Mountain Airways, Denver, CO., 1977.

• N22RM (2) Re regd to Rocky Mountain Airways, Denver, CO., -Jul-1978.

• N22RM (2) Air Pacific, Eureka, CA., Aug-1979.

• N137AP Sold to Air Pacific, Oakland, CA. Cert Feb-1980.

• N137AP Merged with. Golden Gate Airlines, -Feb-1980.

• C-GPPT Sold to Kimba Air Services, Calgary, AB., 30-Jun-1980.

• C-GPPT Sold to S Regd to Shirley Helicopters, Edmonton, AB., 30-Jun-1980.

• C-GPPT Regd to Shirley Air Services. 21-Jul-1980

• N35HB (BFD Corp, Lincoln, NB), 15-May-1981.

• N35HB Leased to Empire Airways, Haydon Lake, ID., 21-May-1981.

• C-GPPT Sold to Shirley Air Services, Edmonton, AB., 22-Oct-1981.

• N35HB Duncan Aviation, Lincoln, NE [AAA Air Enterprises, Lincoln, NE] 03-Mar-1982.

• N2916N Regd to Duncan Aviation, Lincoln, NE., [AAA Air Enterprises, Lincoln, NE] 17-Mar-1982.

• N177TA Re regd to Duncan Aviation, Lincoln, NE., (AAA Air Enterprises, Lincoln, NE -Apr-1982.

• N177TA Returned to Duncan Aviation, Lincoln, NB., 1986.

• C-GJAT Sold toAir Bras d'Or, Sault Ste Marie, ON 20-Jun-1986. Regd 03-Jul-1986Canx 25-Apr-1988.

Note: Air Bras d'Or ceased operations 20-Jul-1987 and aircraft was offered for sale by receivers Dunwoody & Company.

• N707PV Sold to Aloha IslandAir, Honolulu, HI (Princeville Airways, Honolulu, HI) 10-Mar-1988.

• N707PV Regd to Aloha Islandair Inc., Honolulu, HI, Nov-1988.

Accident: Halawa Valley, HI, 28-Oct-1989. The aircraft collided with mountainous/hilly terrain near Halawa Bay, HI, while en route on a scheduled passenger flt at night from Maui to Molokai, HI. Impact occurred at an elevation of about 500 ft, shortly after the aircraft had descended over water, then crossed the shoreline. There was evidence that the captain had made a navigational error & mistakenly believed that he was circumnavigating the northern portion of Mokokai Island. The aircraft crashed while on a heading that was parallel with the island's northern shoreline. Low clouds obscured the mountain tops in the area of the accident. There was also evidence of inadequate supervision of personnel, training & operations by Aloha Islandair management & insufficient oversight of Aloha Islandair by the FAA during a period of Aloha Islandair's rapid operational expansion. – Two crew and 18 pax killed – Aircraft written off.

• N6218T J.D. Melvin, Sherman Oaks, CA.. 14-Apr-1993. For parts recovery. Canx 11-Jul-2013.

Written off

N25KA of Cochise Airlines at Tucson - KTUS, Arizona.
Photo: Ben Knowles © 15 May 1977 - Michael J. Ody Collection
N25KA of ROCKY MOUNTAIN, in formation with company DHC-7 N27RM.
Photo: DHC © Date unknown - Michael J. Ody Collection
N137AP of Air Pacific at San Francisco - KSFO, California.
Photo: Unknown photographer © October 1979
N137AP at Calgary - CYYC, Alberta.
Photo: Anthony J. Hickey © August 1980 - Michael J. Ody Collection
C-GPPT captured at Calgary - CYYC, Alberta.
Photo: John Kimberley © November 1980 - Erik Johannesson Collection
N35HB of Shirley Air, again, at Calgary.
Photo: Anthony J. Hickey © June 1981 - Michael J. Ody Collection
NI77TA at Vancouver - CYVR, British Columbia.
Photo: John Kimberley © May 1985 - Erik Johannesson Collection
C-GJAT of air Bras d'or at Halifax - CYHZ, Nova Scotia.
Photo: Gary Vincent © 26 June 1987 - Aird Archives