de Havilland Canada DHC-6 Twin Otter

The de Havilland Canada DHC-6 Twin Otter is a Canadian STOL (short takeoff and landing) utility aircraft developed by de Havilland Canada in the mid-1960s and still in production. It was built by De Havilland Canada from 1965 to 1988. In 2006, Viking Air purchased the type certificate and restarted production in 2008, before re-adopting the name De Havilland Canada. In 2023, DHC started production of the 300-G, an upgraded version of the Series 400 with Garmin avionics.

The aircraft's fixed tricycle undercarriage, STOL capabilities, twin turboprop engines and high rate of climb have made it a successful commuter airliner, typically seating 18–20 passengers, as well as a cargo and medical evacuation aircraft. The Twin Otter has also been popular with commercial skydiving operations and is used by the United States Army Parachute Team and the 98th Flying Training Squadron of the United States Air Force.