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CC-138 Twin Otter

An RCAF Twin Otter in Whitehorse, Yukon on February 22nd, 2008.

The de Havilland Canada DHC-6 Twin Otter is a Canadian 19-passenger STOL (Short Takeoff and Landing) utility aircraft developed by de Havilland Canada and currently produced by de Havilland Canada and Viking Air. The aircraft's fixed tricycle undercarriage, STOL abilities and high rate of climb have made it a successful cargo, regional passenger airliner and MEDEVAC aircraft. In addition, the Twin Otter has been popular with commercial skydiving operations, and is used by the British Army Parachute Team and No. 98 Squadron RCAF.

Variants[]

  • DHC-6 Series 100: Twin-engine STOL utility transport aircraft, powered by two 550 shp (410 kW) Pratt & Whitney PT6A-20 turboprop engines.
  • DHC-6 Series 110: Variant of the Series 100 built to conform to BCAR (British Civil Air Regulations).
  • DHC-6 Series 200: Improved version.
  • DHC-6 Series 300: Twin-engine STOL utility transport aircraft, powered by two 680 shp (510 kW) (715 ESHP) Pratt & Whitney Canada PT6A-27 turboprop engines.
  • DHC-6 Series 300M: Multi-role military transport aircraft. Two of these were produced as "proof-of-concept" demonstrators. Both have since been reverted to Series 300 conformity.
  • DHC-6 Series 300S: Six demonstrator aircraft fitted with eleven seats, wing spoilers and an anti-skid braking system. All have since been reverted to Series 300 conformity.
  • DHC-6 Series 310: Variant of the Series 300 built to conform to BCAR (British Civil Air Regulations).
  • DHC-6 Series 320: Variant of the Series 300 built to conform to Australian Civil Air Regulations.
  • DHC-6 Series 400: Viking Air production, first delivered in July 2010, powered by two Pratt & Whitney Canada PT6A-34 engines, and available on standard landing gear, straight floats, amphibious floats, skis, wheel skis, or intermediate flotation landing gear ("tundra tires").
  • DHC-6 Series 400S Seaplane: Viking Air seventeen-seat seaplane version of the Series 400 with twin floats and corrosion-resistance measures for the airframe, engines and fuels system. Customer deliveries planned from early 2017. 500 lb (230 kg) lighter than the 400.
  • DHC-6 Classic 300-G: Updated DHC-6 Series 400, with an all-new interior and new flight deck featuring a glass cockpit.
  • CC-138: Twin-engine STOL utility transport, search and rescue aircraft for the Canadian Armed Forces Search and Rescue operations. Based on the Series 300 aircraft.

Users[]

See Also[]

Related Development[]

Comparable Aircraft[]

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