• (YV-O-MC7) Undelivered for the Venezualan Ministre de Communiciations, May-1974.

• C-GXXB de Havilland Canada Inc., Downsview, ON. Rolled out 23-May-1974. First flight 26-Aug-1974.

• C-GXXB Re regd to de Havilland Canada Inc., Downsview, ON, 18-Dec-1974.

• C-GXXB Kenn Borek Air, Calgary, AB. Delivered 27-Sep-1974.

Remained at Downsview and noted there 11-Nov-1974 through 07-Feb-1975

• N97333 Leased to Aurora Air Service, Fairbanks, AK. (Kenn Borek Construction, Fairbanks, AK). 07-Feb-1975.

• C-GXXB Returned to Kenn Borek Air, Calgary, AB, 11-Jun-1976.

• C-GXXB Kenting Aviation, Calgary, AB. Leased Jun-1976.

• C-GXXB Leased to Panarctic Oil, Calgary AB., 04-Jun-1977.

• C-GXXB Returned Mar-1978.

• C-GXXB Austin Airways, Timmins, ON. Leased Jan-1979.

Damaged on landing at Povungnituk, QC. 02-Mar-1979; Struck a hard snow bank before threshold of runway, causing the failure of the right main gear. Repairable & aircraft received authority to be flown out to Timmins on 07-Mar-1979.

• C-GXXB Kenn Borek Air, Calgary, AB., returned 07-Jun-1979.

• C-GXXB Leased to EAS - Emirates Air Services, Abu Dhabi, UAE. 06-Sep-1979.

• C-GXXB Returned to Kenn Borek Air, Calgary, AB., 07-Jun-1980.

• C-GXXB Leased to Air Inuit, Dorval, QC Nov-1985.

• C-GXXB Leased to Antarctic Airways, (Adventure Network International, Salt Lake City) 01-Nov-1985.

• C-GXXB Returned to Kenn Borek Air, Calgary, AB, Returned to Kenn Borek Air, Calgary AB, 1986.

• C-GXXB Leased to Empire Airways, Coeur d’Alene, ID.. May-1986.

• C-GXXB Returned to Kenn Borek Air, Calgary, AB., 19-Mar 1986.

• C-GXXB Leased to Leading Edge Air Services, Missoula, MT., 10-Jun-1994.

• C-GXXB Returned to Kenn Borek Air, Calgary, AB., 19-Mar-1986.

• C-GXXB Leased to Adventure Network International, Salt Lake City, UT., 19-Oct-1988.

• C-GXXB Returned to Kenn Borek Air, Calgary, AB., 19 Mar-1989.

• C-GXXB Leased to Adventure Network International, Salt Lake City, UT., 30-Sep-1992.

• C-GXXB Returned to Kenn Borek Air, Calgary, AB., 01-Mar-1993.

• C-GXXB Leased to Leading Edge Aviation Services, Missoula, MT., 1995.

• C-GXXB Returned to Kenn Borek Air, Calgary, AB., 28-Sep-1995.

• C-GXXB Leased to Harbour Air, Vancouver, BC., Mar-1997.

• C-GXXB Returned to Kenn Borek Air, Calgary, AB., 10-Sep-1997.

• C-GXXB Leased to Harbour Air, Vancouver, BC., 14-Apr-1998.

• C-GXXB Returned to Kenn Borek Air, Calgary, AB., Sep-1998.

Ferry to Maldives authorised 29-Nov-1999 & flew via Birmingham, UK 04-Dec-1999 on delivery.

• C-GXXB Leased to Maldivian Air Taxi, Malé, MI, 13-Dec-1999.

Ferried Rome-Ciampino, Italy - Birmingham, UK - Keflavik, Iceland 27-Mar-2000 returning to Canada.

• C-GXXB Returned to Ken Borek Air, Calgary, AB., 11-May-2000.

• C-GXXB Leased to Harbour Air, Vancouver, BC., 28-Nov-2000.

• C-GXXB Registered with the Nunavummi Nangminiqaqtunik Ikajuuti Policy as Unaalik Aviation, Iqaluit, NU and operated by Kenn Borek Air. Ca Jan 2009.

• C-GXXB Kenn Borek Air, Calgary, AB.  (ALE- Antarctic Logistics Enterprises markings on front fuselage). Aug 2012. Presume leased.

Flew 14-Oct-2012 Calgary, AB – Lubbock, TX – Brownsville, TX. 15-Oct-2012. Brownsville, TX – Liberia, Costa Rica en route to Antarctica.

Flew 09-Oct-2014 Calgary, AB - Denver-Centennial, CO - McAllen-Miller, TX 10-Oct-2014 McAllen-Miller, TX - Liberia, Costa Rica en route to Antarctica.

Flew 10-Feb-2015 Liberia, Costa Rica - McAllen-Miller, TX 11-Feb-2015 McAllen-Miller, TX - Cheyenne, WY as it returns from Antarctica.

Flew 13/14-Oct-2015 Calgary-Int'l, AB - Colorado Springs, CO - McAllen-Miller Int'l, TX - Liberia, Costa Rica en route to Antarctica.

Flew 13-Oct-2016 Calgary-Int'l, AB - Denver-Centennial, CO - McAllen-Miller, TX 14-Oct-2016 McAllen-Miller, TX – Liberia 15/18-Oct-2016. Liberia - Guayaquil - Arica - Concepción - Punta Arena.s

Flew 02/03-Feb-2017 Roatan - Dallas-Addison, TX - Gillette, WY and then 04-Feb-2017 returned to Calgary,AB after operations in Antarctica.

Flew 11/12-Oct-2017 Calgary International, AB – Colorado Springs, CO – McAllen Miller, TX – Liberia en route to Antarctica.

Flew Calgary-Int’l, AB - Colorado Springs, CO - McAllen-Miller, TX - Liberia 10/11-Oct-2018 en route to Antarctica.

Flew Roatan – Dalla Addison, TX – Gillette, WY 08/09 Feb-2019 returning from Antarctica.

Flew Calgary International , AB – Colorado Springs 18-Oct-2019 en route to Antarctic for the 2019-2020 season.

Flew Punta Arenas - Concepcion - Santiago - Arica - Guayaquil - Roatan 25/28-Jan-2020 then Raotan – Dallas-Addison, TX 30-Jan-2020 on return from Antarctica.

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