• 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.

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, VA. 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.