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See other Multi-engine turboprops

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The DHC-6 Twin Otter is a high-winged, unpressurised, 19 passenger utility aircraft developed by de Havilland Canada and currently produced by Viking Air, under the operating brand of DHC. The twin engine turbine-powered STOL DHC-6 replaced the single engine DHC-3 Otter, retaining its double slotted trailing edge flaps and ailerons. It has a high rate of climb and can be fitted with floats, skis or tricycle landing gear, making it suitable for remote areas with difficult flying environments or short field rural airports, as well as passenger, cargo, medical evacuation and skydiving operations. Its reliability across all environments and minimal maintenance requirements gave rise to the saying that the only thing that can replace a Twin Otter is another Twin Otter.

Development began in 1964 and the first flight took place on 20 May, 1965. The first six aircraft were prototypes, designated Series 1. The initial production run consisted of Series 100 aircraft, powered by 550 shp Pratt & Whitney Canada PT6A-20 turboprop engines. Series 200 production began in 1968, with improvements to the STOL performance, a longer nose and a larger door to the rear baggage compartment.

Series 300 was introduced in 1969, with improvements to performance and payload thanks to more powerful 680 shp PT6A-27 engines. Production in Toronto by de Havilland Canada ended in 1988.

On 24 February, 2006 Viking Air purchased the remaining tooling and type certificates for all out-of-production DHC aircraft, which gave it exclusive rights to manufacture new aircraft. The Series 400 Twin Otter production programme was started in 2008, giving the aircraft more powerful PT6A-34 engines, fully integrated Honeywell Primus Apex digital avionics suite and around 800 other modifications. Production was suspended in 2019 during the COVID pandemic.

June 2023 saw the launch of the DHC-6 Twin Otter Classic 300-G, the fifth generation of Twin Otter aircraft. It has the same rugged airframe, is propelled by P&W technology, but the lighter weight delivers increased payload range and decreased operating costs. It has an all-new cabin interior and the flight deck features a Garmin G1000 NXi fully integrated avionics suite.

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Variant types

	World fleet	Charter fleet	Typical pax	Cabin volume	Cruise	Range	Years
De Havilland DHC-6-100	●●	●	●●	●●●●●●●●●	●●●●●●●	●●●●●●	●●●●●●●●●●
De Havilland DHC-6-200	●●	●	●●	●●●●●●●●●			●●●●●●●●●●
De Havilland DHC-6-300	●●●	●●●	●●	●●●●●●●●●	●●●●●●●	●●●●●●	●●●●●●●●●●
Viking DHC-6-400	●●	●●	●●	●●●●●●●●●	●●●●●●●	●●●●●●	●●●●●●●●●●

 

Supplemental Type Certificates

Browse or search through all recent STCs.

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26/07/2023	EASA: 10082436. ●●●●●●●●●● ●●●●●●●●●●, ●●●●●●●●●●, ●●●●●●●●●●, ●●●●●●●●●● STC holder: ●●●●●●●●●●
20/06/2023	EASA: 10082199. ●●●●●●●●●● ●●●●●●●●●●, ●●●●●●●●●●, ●●●●●●●●●● STC holder: ●●●●●●●●●●
24/04/2023	EASA: 10069925. ●●●●●●●●●● ●●●●●●●●●●, ●●●●●●●●●●, ●●●●●●●●●●
13/04/2023	EASA: 10040247. ●●●●●●●●●● ●●●●●●●●●●, ●●●●●●●●●●, ●●●●●●●●●● STC holder: ●●●●●●●●●● See also: ●●●●●●●●●●
18/05/2022	EASA: 10079311. ●●●●●●●●●● ●●●●●●●●●●
18/03/2022	EASA: 10042599. ●●●●●●●●●● ●●●●●●●●●●, ●●●●●●●●●●, ●●●●●●●●●●, ●●●●●●●●●● STC holder: ●●●●●●●●●●
18/02/2022	EASA: 10078650. ●●●●●●●●●● ●●●●●●●●●● STC holder: ●●●●●●●●●●
10/02/2022	EASA: 10078321. ●●●●●●●●●● ●●●●●●●●●●, ●●●●●●●●●●, ●●●●●●●●●●, ●●●●●●●●●● STC holder: ●●●●●●●●●●
21/01/2022	EASA: 10078182. ●●●●●●●●●● ●●●●●●●●●● STC holder: ●●●●●●●●●●
19/01/2022	EASA: 10075339. ●●●●●●●●●● ●●●●●●●●●●, ●●●●●●●●●●, ●●●●●●●●●●, ●●●●●●●●●● STC holder: ●●●●●●●●●●
14/01/2022	EASA: 10078142. ●●●●●●●●●● ●●●●●●●●●●, ●●●●●●●●●●, ●●●●●●●●●●, ●●●●●●●●●● STC holder: ●●●●●●●●●●

 

Manufacturing data

For detailed information about the manufacture of this aircraft, please consult our sister publication Airframer: Viking Twin Otter Series 400

Charter operators

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Canada	●●●●●●●●●● , ●●●●●●●●●● , ●●●●●●●●●● , ●●●●●●●●●● , ●●●●●●●●●● , ●●●●●●●●●● , ●●●●●●●●●● , ●●●●●●●●●● , ●●●●●●●●●● , ●●●●●●●●●● , ●●●●●●●●●● , ●●●●●●●●●● , ●●●●●●●●●●
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Maintenance centres

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Canada

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U.S.A.

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Completions centres

Sorry, no completion centres currently listed. Please use our Feedback form to advise us.

Type rating training providers

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Canada

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Manufacturer

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Canada

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New aircraft sales

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News from Business Air News

Hartzell service centre doubles warranty length

February 27, 2024

The Hartzell Service Center's warranty on work performed at its FAA-certified repair station in Piqua, Ohio is now two years or 2,000 flight hours, whichever occurs first, extended from one year or 1,000 flight hours.

Read the full report

Wipaire gains TSO approval for Twin Otter floats

October 23, 2023

Wipaire has met its goal of reducing weight from the existing Wipline 13000 seaplane floats. Now it will continue towards FAA approval for installation.

Read the full report

Soneva leases Twin Otter for Maldives operations

August 31, 2023

The Soneva team are on a journey towards zero emission aviation, having leased a Twin Otter from Monte for operations in the Maldives.

Read the full report

August 3, 2023	Canary Islands operator swoops on hydrogen-electric power for seaplane
June 23, 2023	DHC and Zimex put pen to paper for Twin Otter 300-G
June 19, 2023	DHC launches economical 'Classic' Twin Otter
June 7, 2023	Winair welcomes DHC-300 with Garmin 950
December 28, 2022	Twin Otter order puts Island Aviation on resort service
October 25, 2022	Aerodynamic upgrades and maintenance support grow Ampaire stable
October 21, 2022	AEVEX offers performance enhancements for 400 series Twin Otter
September 26, 2022	DHC makes Alberta manufacturing move
June 16, 2022	Powertrain deal brings H-electric thrust to Monte turboprop lease offer
February 8, 2022	Viking Air rebrands within consolidation of LAC companies
December 7, 2021	Genesys delivers over 1,000 S-TEC 3100 autopilots
November 18, 2021	European operators select SkyTrac SDL-350 Certus
November 5, 2021	Next generation exhaust gains STC for Twin Otter
August 9, 2021	Viking and PAL prepare to deploy Twin Otter firefighters
May 10, 2021	StandardAero has got Air Seychelles Twin Otters covered
March 22, 2021	Ampaire builds stellar team to deliver electric flight
January 6, 2021	BAS won’t be on thin ice thanks to Centrik
August 17, 2020	Twin Otters supported for Peruvian Amazon ops
April 13, 2020	SAS offers safe transfers while teaming with Loganair
April 2, 2020	Acorn receives Transport Canada go-ahead for Otter exhaust
March 23, 2020	De Havilland and Viking manufacturing shuts down
February 23, 2020	Seaplane delivery brings Trans Maldivian fleet to 57
February 17, 2020	Twin Otter passes milestone for Viking
February 5, 2020	Canada adds aircraft to marine surveillance programme
December 16, 2019	Optical option broadens scope of the Guardian
December 1, 2019	Twin Otter pair commence Chad operations for Avmax
November 10, 2019	Trans Maldivian opts for rust-busting door handles
September 30, 2019	Viking and Unity combine Twin Otter know-how
August 25, 2019	Rampart receives first commuter category DHC-6-300HG
July 16, 2019	Airplus certifies wi-fi for Twin Otters
June 24, 2019	Maldivian engines enjoy StandardAero support
June 18, 2019	Viking endorses SAJF for all its turboprops
April 23, 2019	EASA certifies Twin Otter MTOW upgrade
February 27, 2019	Maldivian integrates entire fleet with eMRO solution
January 28, 2019	Pacific Sky Aviation chooses Fox Training Management System
April 12, 2018	EASA-approved sim delivers Twin Otter training
August 24, 2017	Air Seychelles introduces scenic charter flights
November 9, 2016	Caverton signs another Twin Otter for oil contract
September 23, 2015	RN-Aircraft signs with Viking for ten Twin Otters
July 7, 2015	Viking names Liftec as sales representative
February 12, 2015	Viking signs Veling Tayara as Middle East rep
July 10, 2013	Vityaz Avia's Twin Otters to serve remote Russia
April 10, 2012	Twin Otter seaplane service suits Turkey's coastal terrain

Press Releases

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