• N301MA de Havilland Canada Inc., Downsview, ON. Rolled out date unknown. 18-Jul-1969. First flight 13-Jan-1969.

• N301MA MAC - Miami Aviation Corporation, Opa Locka, FL. Delivered 28-Jul-1969.

• (N301MA) New York Airways, La Guardia, NY. Regd (not delvd), 16-Oct-1969.

Note: Photographed in NYA colours, Oct-1969 and 28-Jul-1971 at Downsview

• N301MA MAC-Miami Aviation Corporation, Opa-locka, FL. 28-Jul-1971

• HC-AXN Delivered to Southern Union Producing Company./ Cayman del Ecuador, Tarapoa. Regd 28-Jul-1971.

Note: Southern Union (U.S.) and Cayman Oil (Panama) drilled the Tarapoa block oilfield in the Ecuadorian Amazon until 1977.

• HC-AXN ANDES - Aero Nacíonales del Ecuador. Regd 30-Jul-1971.

• HC-AXN Leased to Cayman del Ecuador Petroleum. Regd Apr-1973.

• N252M Re-regd to Cayman del Ecuador, Tarapoa. Regd Mar-1974.

• N252MM Re-regd to Cayman del Ecuador, Tarapoa. Regd Mar-1974.

• HK-1710W Farmland Company. Regd Apr-1976.

Note: This was the first Twin Otter in Colombia.

• HK-1710W An-Son Drilling Company of Colombia S. A. Bogota. Regd Mar-1977.

Accident: Oroque Mountain in the Norte de Santander region. 19-Dec-1979. Crashed en route from Barranquilla to Cucuta. The Twin Otter departed at 08:00 on a VFR flight plan to Cúcuta. Weather conditions however, were IMC and Cúcuta was closed. The crew never reported to Cúcuta Tower. The aircraft was found 3 days later at 11,500 foot level on Oroque Mountain in the Norte de Santander region. 2 crew and 1 passenger killed.

• Written off •