DHC-6 Twin Otter

🇨🇦Canada
De Havilland Canada
1966 – Present
Overview
DHC-6 Twin Otter
The aircraft, developed in 1964 as a twin-engine successor to the DHC-3 Otter, features enhanced STOL capabilities and has undergone several upgrades across its Series 100 to 400 models, including more powerful engines and modern avionics. Initially produced by De Havilland Canada until 1988, production resumed in 2008 under Viking Air, with the Series 300 and 400 models catering to challenging environments in remote regions like Canada, Alaska, and Papua New Guinea.
Specifications

General

Max Speed Kmh315 km/h
Weight Max Kg5,670 kg
Service Ceiling M7,620 m
Research Notes

Iconic Twin-Engine STOL Utility Aircraft

The Twin Otter became a benchmark aircraft for remote, austere, and mixed passenger-cargo operations.

The DHC-6 Twin Otter is one of de Havilland Canada's best-known utility aircraft, combining twin turboprop reliability with short-field performance. Open-source histories describe a first flight in 1965 and a long production history, while De Havilland Canada's current 300-G material shows the type remains commercially relevant. Its fixed landing gear, high wing, and simple cabin make it well suited to remote airstrips, floats, skis, skydiving, medevac, and government support work.

Austere-Airfield Flexibility

The aircraft can trade speed for access, operating where larger regional aircraft cannot.

The Twin Otter's strength is access rather than cruise speed. It can operate from short strips and can be configured for wheels, floats, or skis, giving users flexibility across islands, mountains, tundra, and undeveloped regions. That is why the type appears in civil, military, special-mission, and humanitarian contexts. For military and government users, the aircraft can support small detachments, patrol work, casualty evacuation, parachute training, and remote logistics with low infrastructure demand.

Continuing Production Relevance

The new Classic 300-G illustrates continuing demand for the Twin Otter mission profile.

De Havilland Canada's modern Twin Otter Classic 300-G material shows that the aircraft's basic design still answers a real market need. Updated avionics and production improvements can refresh a proven airframe without changing the mission logic: dependable access to places where other aircraft struggle. That continuity makes the Twin Otter more than a legacy aircraft; it remains part of contemporary remote-mobility planning.

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