In 1995, First Air acquired Ptarmigan Airways, and in 1997 Northwest Territorial Airways (also known as NWT Air), both merged into First Air. Ptarmigan Airways operated smaller turboprop aircraft types such as the Beechcraft King Air (BE-200 model), de Havilland Canada DHC-2 Turbine Beaver, DHC-6 Twin Otter and Grumman Gulfstream I propjets in addition to Cessna Citation business jet aircraft. Northwest Territorial operated Boeing 727-100 and Boeing 737-200 jetliners, Lockheed L-188 Electra propjets, Lockheed L-100 Hercules cargo turboprops and Douglas DC-3s.