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AIRCRAFT PROGRAM

Viking Twin Otter Series 400

Lift typeFixed wing
Construction typeFactory-built
Control typePiloted
Engine typeTurboprop
ApplicationAmphibious, Cargo, Passenger small, Surveillance, Utility
Final assembly Victoria International , Calgary International
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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 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 / Lighter weight variant, with STOL capability and a variety of different landing gear options.

Recent news

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

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

Supply chain

  (40 links)
Materials Composites (1)
Components Actuation (1) Instruments (1) Sensors, Transducers & Detectors (1) Structural Components (1)
Airframe Systems Airframe Assemblies (4) Cabin Interiors (1) Landing Assemblies (4) Weapons Systems (3)
Avionics Communications (Airborne) (2) Flight and Data Management (1) Imaging and Visual Systems (4) Indicators and Instruments (5) Navigation Aids (Airborne) (2) Warning Systems (1)
Power Systems Batteries & Accessories (1) Engines (1) Fuel Systems (1) Rotors & Propellers (1)
Testing Aircraft Operations (1)
Expand/Collapse All

Materials / Composites

Delastek Composites Analysis Composite Manufacturing Services: Carbon fibre airstair door, emergency exit door, nose baggage compartment (Twin Otter Series 400)

Components / Actuation

Whippany Actuation Systems Analysis Electromechanical Actuators: Aileron trim actuator

Components / Instruments

Thommen Aircraft Equipment AG Analysis Chronometers: (Twin Otter Series 400)

Components / Sensors, Transducers & Detectors

Leonardo Airborne Systems UK Analysis Radar Detectors: Seaspray 5000E search radar (Guardian 400)

Components / Structural Components

Fleet Canada Inc. Analysis Wing Spars: Bonded wingskins

Airframe Systems / Airframe Assemblies

Field Aviation Company Inc. Analysis Fuselage Sections: Lower fuselage (Twin Otter Series 400)
Fleet Canada Inc. Analysis Fuselage Sections: Rear fuselage; Aircraft Control Surfaces: Horizontal & vertical stabilizers; Empennages: (Twin Otter Series 400)
Lee Aerospace, Inc Analysis | News Fuselage Sections: (Twin Otter Series 400)
Sealand Aerospace Ltd. Analysis Wing Flaps: (Twin Otter Series 400)

Airframe Systems / Cabin Interiors

Aero Plastics & Structures Analysis Aircraft Interiors: Complete interior

Airframe Systems / Landing Assemblies

Field Aviation Company Inc. Analysis Aircraft Landing Gear: Main landing gear assembly (Twin Otter Series 400)
Héroux-Devtek Inc. Analysis | News Aircraft Landing Gear: Nose landing gear assembly (Twin Otter Series 400)
Parker Aerospace Aircraft Wheel & Brake Analysis Hydraulic Brakes: Cleveland disc brakes (Twin Otter Series 400)
Wipaire Inc. Analysis Aircraft Floats: Optional Wipline 13000 straight or amphibious floats (Twin Otter Series 400)

Airframe Systems / Weapons Systems

CarteNav Solutions Analysis | News Photo Reconnaissance: AIMS-ISR data management system (Guardian 400)
HENSOLDT Sensors GmbH Analysis | News Weapons Countermeasures: Argos EO/IR imaging turret, multi-spectral HDTV camera, mega- pixel HD Thermal imager, laser range finder, multi-mode auto tracker, and Remote Image Bus (RIB) video feed for display on the cockpit MFD or crew workstation (Guardian 400)
Leonardo Defence Electronics (Selex) Analysis | News Radar Reconnaissance Equipment: Osprey Radar system

Avionics / Communications (Airborne)

Airborne Technologies GmbH Analysis | News Airborne Communication Systems: Airborne LINX surveillance
Honeywell Aerospace Analysis | News Onboard Intercom Systems: KMA 29 audio panel (Twin Otter Series 400); Radar Transponders: Dual KXP 2290 Mode S EHS transponders (Twin Otter Series 400)

Avionics / Flight and Data Management

Honeywell Aerospace Analysis | News Avionics Management Systems: Primus Apex avionics (Twin Otter Series 400/Guardian 400); Super-Lite integrated digital avionics (Twin Otter 400S Seaplane)

Avionics / Imaging and Visual Systems

Airborne Technologies GmbH Analysis | News Airborne Reconnaissance Infrared: Wing-mounted SCAR pods
L3Harris Technologies (WESCAM) Analysis Airborne Reconnaissance Infrared: Optional MX-15Di EO/IR (Guardian 400)
Sentient Vision Systems Analysis | News Reconnaissance Radar: Visual Detection and Ranging (ViDAR)
Teledyne FLIR (was FLIR Systems, Inc.) Analysis FLIR Systems: Optional UltraForce 350 EO/IR (Guardian 400)

Avionics / Indicators and Instruments

Garmin International Analysis | News Electronic Flight Instrument Systems: G1000NXi Flight Deck (Classic 300-G)
Honeywell Aerospace Analysis | News Radar/Radio Altimeters: Optional KRA 405B radar altimeter (Twin Otter Series 400)
L3 Aviation Products Analysis | News Electronic Flight Instrument Systems: GH-3100 electronic standby instrument system (Twin Otter Series 400)
Safe Flight Instrument Corporation Analysis | News Angle of Attack Indicators:
ScioTeq Analysis | News LCD Displays: Large screen keyboard display units for Primus Apex integrated cockpit

Avionics / Navigation Aids (Airborne)

Honeywell Aerospace Analysis | News Distance Measuring Equipment: KN 63 DME
Jeppesen Analysis Onboard Airport Navigation Systems: Terminal charts (Twin Otter Series 400)

Avionics / Warning Systems

Honeywell Aerospace Analysis | News Terrain Awareness and Warning Systems: Mk VI EGPWS (Twin Otter Series 400)

Power Systems / Batteries & Accessories

True Blue Power Analysis Lithium-ion Batteries: TB44 lithium-ion batteries (Twin Otter Series 400)

Power Systems / Fuel Systems

AMETEK Aerospace & Defense Analysis Fuel Control Systems: Fuel capacitance system

Power Systems / Rotors & Propellers

Hartzell Propeller Analysis Metal Propellers: HC-B3TN-3DY three-blade, reversible pitch fully feathering metal propeller (Twin Otter Series 400); Zero-pitch propeller (Twin Otter 400S Seaplane)

Testing / Aircraft Operations

David Clark Company Inc. Analysis Headsets: Noise cancellation headsets (Twin Otter Series 400)
Information on this page is compiled from a variety of published sources, and links do not necessarily imply recommendation or confirmation by the airframe manufacturer.