IATA DHLICAO DHC3

De Havilland Canada DHC-3 Otter

De Havilland Canada

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Rugged single-engine STOL utility aircraft for remote operations.

First flight

1951

Category

Utility piston/turboprop

Seating

9–11 passengers

Range

1,520 km

Engines

Single Pratt & Whitney R-1340 radial piston (original); many converted to single PT6A turboprop

Status

In service

The De Havilland Canada DHC-3 Otter is a single-engine, high-wing utility aircraft developed in Canada during the early 1950s. Designed as a larger successor to the DHC-2 Beaver, it was intended to carry greater payloads into short, unprepared airstrips in remote and wilderness environments. It first flew in 1951 and entered production shortly thereafter. The Otter earned a strong reputation for reliability and versatility, serving in a wide range of roles including passenger transport, cargo, medevac, parachuting, and survey operations. It can be fitted with wheels, skis, or floats, making it adaptable to diverse terrain and climate conditions. Although original Pratt & Whitney R-1340 piston-powered examples are now rare, many airframes have been converted to turbine power — most commonly with the Pratt & Whitney Canada PT6A engine — extending operational life significantly. The type remains in active service with bush operators, charter services, and military users around the world.

Notable operators

Operated historically by the Royal Canadian Air Force, U.S. Army, and numerous bush and charter operators worldwide including Kenmore Air and various Alaskan operators.

Notable facts

›Designed as a 'big brother' to the DHC-2 Beaver, capable of carrying roughly twice the payload.
›A total of 466 aircraft were built between 1951 and 1967.
›Widely used by military forces of over 20 countries.
›Turbine conversions using the PT6A engine significantly improved performance and extended service life.
›The aircraft can operate on wheels, floats, or skis, making it highly versatile in remote environments.