• CS-TFE de Havilland Canada Inc., Downsview, ON. Rolled out date 21-Jan-1980. First flight 21-Jan-1980.

• CS-TFE Delivered to TAP - Air Portugal, "Covilha", Lisbon, Portugal. 06-Mar-1980.

• CS-TFE Leased to LAR Transregional, (Ligações Aéreas Regionais). Lisbon, Portugal. Jan-1985.

Note: LAR formed Jan 1985 with TAP owning one third of shares.

• OY-SLH Sold to Sataircraft Air Services, Roskilde, Copenhagen DK, 31-Jul-1991.

Flew via Bordeaux, France - Rotterdam, Netherlands 31-Jul-1991 on delivery to Roskilde, Denmark.

• HB-LRT Sold to Farner Europe (Farner Air Transport), Basle, Switzerland. 30-Jan-1992.

• 7O-ADI Sold to Yemenia, San’aa, Yemen 06-Apr-1995.

• 7O-ADI Transferred to YJV-Yemenia Joint Venture, Sana'a, Yemen. Date unknown.

• 7O-ADI Renamed Blue Bird Aviation, Sana'a, Yemen. Jun-2012.

Note Underwent a re-life programme at UAG Aviation at their facility in Bern-Belp, Switzerland. In February-2014. Corrosion repairs were carried out on the wings, improving the aircraft’s safety and lifespan, and enabling the customer to avoid the unnecessary costs and downtime of complete wing replacements. The re-life programme extends the wing’s use for a further 33,000 flight hours. To further improve the Twin Otter’s life cycle, the cockpit of the 33 year old aircraft was fully modernised. Garmin 650/750 touchscreen navigation displays were integrated by RUAG Aviation, along with an Aspen 1000 avionics suite that incorporates an autopilot system and a new weather radar.