click on arrows to navigate page by page.

msn 92
DHC-6 Twin Otter Series 100
Click on thumbnail for larger image


CF-RRH • (XB-FIW) • XA-HAC • N525N • C-****


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

• CF-RRH de Havilland Canada Inc., Downsview, ON. Rolled out 16-Dec-1967. First flight 16-Dec-1967.
• (XB-FIW) Aerolineas Anahuac, Mexico City, Mexico. Regd Feb-1968. (ntu),
• XA-HAC Aerolineas Anahuac, Mexico City, Mexico. Delivered 14-May-1968.
• XA-HAC Aeronaves del Sur, Mexico City, Mexico Regd 1969.
• XA-HAC SAESA - Servicios Aereos Especiales, Mexico City, Mexico. Regd 1971.
• XA-HAC Aerolineas Anahuac, Mexico City, Mexico. Regd 1978.
• N525N Sea Airmotive, Anchorage, AK, Regd Jun-1978. Also reported as Seair Alaska Airlines,Inc.
Airworthiness date: 25-Aug-1978.
SDR incident, 06-Dec-1979.The outboard end of left wing trailing edge Flap control system found cracked
Incident 16-Jun-1982. While in cruise flight, the left engine surged twice and the pilot observed fire emitting from the exhaust and cowling. After securing the engine and discharging the fire bottle without effect, the pilot made a precautionary landing at Port Heiden airport, AK. Investigation revealed that the engine had experienced a seizure of the planetary "x" gear. The mode of failure of the subject gear was not identified
• C-**** Rocky Mountain Aircraft, (Ashe Aircraft Enterprises). Calgary, AB. Regd 09-May-1984.
Note. Does not show on CCAR in May-1984.
• N525N Leased to Mountain Air Cargo, Denver, NC. Regd 30-May-1984.
• N525N Leased to B & B Partnership, Rapidan, Virginia. Regd 15-Jun-1984.
Incident 13-Aug-1985. Unknown location. During an unassisted turn into a parking space the wing struck an utility pole.
• N525N Sub leased to California Air Charter, Burbank CA Regd Aug-1986.
• N525N Returned to Rocky Mountain Aircraft, (Ashe Aircraft Enterprises). Regd 03-Sep-1986.

Broken up •

Latest update

• Revised format Sep-2019 • Data updated 20-Sep-2019 • One image added 19-Nov-2019 •

N525N at Anchorage, Alaska.
Photo: N. Oyama © 13 August 1975 - Michael J. Ody Collection
N525N of Seair on regular sized tires.
Photo: Unknown photographer © November 1982 - Michael J. Ody Collection
N525N at Springbank - CYBW, Alberta.
Photo: D. Dunsmore © June 1984 - Michael J. Ody Collection
N525N in flight near Bethel.
Photo: Chemtrails4U © Date unknown - Erik Johannesson Collection
N525N the end is nigh. Sharing her fate with some companions.
Photo: Michael J. Ody © 23 March 1990