AIRCRAFT PROGRAM

High wing single turboprop utility aircraft. Based on DHC Twin Otter series. Includes 400S Seaplane variant and special missions variant, the Guardian 400.

Type variants

Variant	Launch/First flight	Production end
De Havilland Canada DHC-6 Twin Otter	1964 / 1965	2006	STOL utility aircraft.
Viking Twin Otter Series 400	2006 / 2006	2020	Production: 1 (2010) First two Series 400 deliveries occurred in 2010: MSN 846 to Air Seychelles on 24 December 2010 (the first customer delivery per ACE Technical), and MSN 845 to Zimex Aviation of Switzerland at the Farnborough Airshow in July 2010 per multiple sources [medium]. Baseline variant, derived from DHC-6 Twin Otter. Temporarily suspended.
Viking Guardian 400	2009 / 2009		Special mission variant.
Viking Twin Otter 400S Seaplane	2016 / 2016		Amphibious variant.
De Havilland Canada DHC-6 Twin Otter Classic 300-G	2023 /		Production: 9 (2018) GAMA: Viking Air Ltd. DHC-6 Series 400 Twin Otter. Lighter weight variant, with STOL capability and a variety of different landing gear options.

View full news archive for the Viking Twin Otter Series 400.

See recent updates (latest 13/07/2026)

Operations data

For detailed information about current charter operators, maintenance and training providers, and completions services for this aircraft, please consult our sister publication Business Air News: Viking DHC-6