De Havilland Canada DHC-3 Otter

  • CountryCanada
  • TypeSTOL utility transport
  • PowerplantsOne 447kW (600hp) Pratt & Whitney R1340S1H1G or R1340S3H1G nine cylinder radial piston engine driving a three blade Hamilton Standard constant speed propeller.
  • PerformanceMax speed 257km/h (140kt), economical cruising speed at sea level 195km/h (105kt). Initial rate of climb 850ft/min. Service ceiling 18,800ft. Max range with reserves 1520km (820nm), range with a 950kg (2100lb) payload and reserves 1410km (760nm).
  • WeightsLandplane - Basic operating 2010kg (4431lb), max takeoff 3629kg (8000lb). Floatplane - Basic operating 2219kg (4892lb), max takeoff 3614kg (7967lb).
  • DimentionsWing span 17.69m (58ft 0in), length 12.80m (41ft 10in), height 3.83m (12ft 7in), floatplane height 4.57m (15ft 0in). Wing area 34.8m2 (375sq ft).
  • CapacityFlightcrew of one or two. Normal main cabin seating for nine passengers, max seating for 10. As an aerial ambulance can carry six stretchers and four passengers or three stretchers and seven passengers.
  • ProductionA total of 460 Otters built including for military air arms in 11 nations.

An alternate in de Havilland Canada's fruitful line of rough and valuable STOL utility transports, the Otter was considered to be fit for performing the same parts as the prior and exceedingly effective Beaver, yet was greater.

Utilizing the same general design of the prior and profoundly effective DHC-2 Beaver, the Otter is much bigger by and large. The Otter started life as the King Beaver, yet contrasted with the Beaver is longer, has more noteworthy compass wings and is much heavier. Seating in the principle lodge is for 10 or 11, though the Beaver could situate six. Force is supplied by a 450kw (600hp) Pratt & Whitney R1340 Wasp outspread. Like the Beaver the Otter might be fitted with skis and buoys. The land and/or water capable floatplane Otter emphasizes an one of a kind four unit retractable undercarriage, with the wheels withdrawing into the buoys.

De Havilland Canada started outline deal with the DHC-3 Otter in January 1951, the organization's configuration deliberations finingish in the sort's first flight on December 12 1951. Canadian affirmation was honored in November 1952.

De Havilland Canada exhibited the Otter to the US Army, and consequently that administration happened to turn into the biggest DHC-3 administrator (as the U-1). Other military clients included Australia, Canada and India.

Little quantities of Otters were changed over to turbine control by Cox Air Services of Alberta, Canada. Progressions incorporated a Pratt & Whitney Canada Pt6a turboprop, a lower unfilled weight of 1692kg (3703lb) and a higher most extreme rate of 267km/h (144kt). It was known as the Cox Turbo Single Otter. Various other secondary selling Pt6 changes have likewise been advertised.

The Otter discovered a critical corner as a shrubbery airplane and today it remains profoundly looked for after.

Pictures of De Havilland Canada DHC-3 Otter