SA943EAAircraft structures
Replacement of de Havilland wing bleed air ducting with alternate ducting.
FAA holder: Texas Air Services Inc.
Aircraft STC directory
Viking Air DHC-6-400 STCs
The Jun 30, 2026 FAA DRS snapshot contains 48 selected supplemental type certificates with status Current whose public applicability data names the Viking Air DHC-6-400. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
48
listed Current at snapshot
20
holder directories
13
modification categories
Apr 15, 2026
latest recorded revision
Modification demand surface
Other aircraft modifications18
Cabin and interiors7
Aircraft structures5
Cargo and special mission3
Landing gear and brakes3
Safety and emergency equipment3
Avionics2
Fuel systems2
Flight controls1
Engine and powerplant1
Aircraft connectivity1
Aircraft performance1
Propellers1
Recorded holders
MAG Aerospace7Rocky Mountain Aircraft6IKHANA Aircraft Canada Inc.6Texas Air Services Inc3IKHANA Group Inc.3PMA Design & Manufacturing Inc.2Wipaire Inc2ATI Engineering Services LLC1Unity Aviation Canada Ltd.1STG AEROSPACE GERMANY GmbH1Thunder Bay Aviation Ltd1Kilroy Aviation LLC1Acorn Welding Ltd.1Viking Air Limited1Aero Dynamix Inc.1airplus engineering GmbH1Spectrum Aeromed LLC dba Spectrum Aeromed1MT- Propeller Entwicklung GmbH1Beringer Aero1DeVore Aviation Corporation of America, a New Mexico Corporation1
Recently revised DHC-6-400 STCs
Showing the 48 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA12101IBCabin and interiors
Installation of Cabin Interior Upgrade.
FAA holder: De Havilland Aircraft of Canada Limited
SA00345BOOther aircraft modifications
Installation of an NVIS / NVG Compatible Lighting System.
FAA holder: ATI Engineering Services LLC
SA00196IBCargo and special mission
Installation of the Replacement Aluminum Cargo Floor Panels.
FAA holder: Rocky Mountain Aircraft
SA00157IBCabin and interiors
Installation of the Cabin Audio System Upgrade.
FAA holder: Unity Aviation Canada Ltd.
SA00085IBFlight controls
Installation of Elevator Replacement Trailing Edge.
FAA holder: Rocky Mountain Aircraft
SA00076IBOther aircraft modifications
Installation of Photo luminescent Safety Systems.
FAA holder: STG AEROSPACE GERMANY GmbH
SA04482CHOther aircraft modifications
INSTALL TELEDYNE FLIR INC STAR SAFIRE 380-HDc FLIR IMAGING SYSTEM WITH LASER RANGE FINDER (LRF).
FAA holder: MAG AEROSPACE
SA04550ATLanding gear and brakes
Main Wheel and Brake Assembly for the Viking Air DHC-6 Series aircraft.
FAA holder: PMA Design and Manufacturing
SA04701NYAircraft structures
Replacement of Fixed Wing Control Cables.
FAA holder: Thunder Bay Aviation Ltd
SA04698NYOther aircraft modifications
Approval of an Controlled Aircraft Equipment Configuration providing for the authorized use of \n Transmitting Portable Electronic Devices (TPED).
FAA holder: Kilroy Aviation LLC
SA00282NYCargo and special mission
Replacement latches on upper and lower cargo door.
FAA holder: PMA Design & Manufacturing Inc.
SA04587NYEngine and powerplant
Installation of Acorn Welding C6SC1107-NG Exhaust stacks.
FAA holder: Acorn Welding Ltd.
SA09894ACOther aircraft modifications
Installation of Night Vision Goggle (NVG) compatible lighting system in Viking Air Limited Model DHC-6-300 modified.
FAA holder: Aero Dynamix Inc.
SA04623NYOther aircraft modifications
Installation of Type 1 (PAA Design group) DHC-6 Twin Otter Seats.
FAA holder: Regent Aircraft Services
SA04595NYOther aircraft modifications
Installation of STC-AT-141.
FAA holder: AIRBORNE TECHNOLOGIES GmbH
SA04575NYAircraft structures
Installation of IKHANA Station 332 Bulkhead Door.
FAA holder: IKHANA Aircraft Canada Inc.
SA04284NYAircraft connectivity
Installation of the K-A Band Antenna and system provisions.
FAA holder: airplus engineering GmbH
SA04565NYCabin and interiors
Installation of the Replacement Cabin Roof Escape Hatch.
FAA holder: Rocky Mountain Aircraft
SA04486CHOther aircraft modifications
EMS conversion in accordance with Spectrum Aeromed Master Drawing List 6080DL, Revision: 1 (One), dated September 22, 2020,\nor later FAA approved revisions.
FAA holder: Spectrum Aeromed LLC dba Spectrum Aeromed
SA04437NYCabin and interiors
Installation of the VIP Club Seating.
FAA holder: IKHANA Aircraft Canada Inc.
SA04458ATLanding gear and brakes
Installation of the PMA Design and Manufacturing nose landing gear (NLG) shock strut assembly.
FAA holder: PMA Design & Manufacturing Inc.
SA03768NYOther aircraft modifications
Installation of Enhanced Air Conditioning System.
FAA holder: IKHANA Aircraft Canada Inc.
SA03266NYSafety and emergency equipment
Installation of a Cockpit (crew) Oxygen System.
FAA holder: IKHANA Aircraft Canada Inc.
SA00355BOOther aircraft modifications
Installation of a Ballistic Protection System.
FAA holder: MAG Aerospace
SA00367BOOther aircraft modifications
Installation of a FLIR Systems Inc. Star Safire 380HD EO/IR System.
FAA holder: MAG Aerospace
SA02501AKOther aircraft modifications
Installation of a Lexavia LFS-3505 Enhanced Vision System (EVS).
FAA holder: Lexavia Integrated Systems
SA10407SCOther aircraft modifications
Installation of a replacement electrically driven hydraulic pump assembly.
FAA holder: Texas Air Services Inc
SA03275NYSafety and emergency equipment
Installation of Crew Only Supplementary Oxygen System.
FAA holder: Rocky Mountain Aircraft
SAS03826NYOther aircraft modifications
Installation of Fold Up Utility Seats.
FAA holder: Rocky Mountain Aircraft
SA03757NYFuel systems
Installation of the Replacement Fuel Manifold Tubes.
FAA holder: Rocky Mountain Aircraft
SA2CHOther aircraft modifications
Installation of Wipaire Model 13000 Amphibian Floats.
FAA holder: Wipaire Inc
SA4622SWOther aircraft modifications
Installation of JLC Aeronautical Vapor Cycle Air Conditioner.
FAA holder: JLC Aeronautical LLC
SA03455NYSafety and emergency equipment
Installation of a passenger oxygen system.
FAA holder: IKHANA Aircraft Canada Inc.
SA03385NYCabin and interiors
Installation of Passenger Cabin Utility Hard Points.
FAA holder: IKHANA Aircraft Canada Inc.
SA03368NYPropellers
Installation of 4-Blade MT-Propeller (Model# MTV-16-1-E-C-F-R(P) / CFR240-55).
FAA holder: MT- Propeller Entwicklung GmbH
SA03245NYOther aircraft modifications
Installation of R.W. Martin Air conditioning system.
FAA holder: IKHANA Group Inc.
ST03258NYLanding gear and brakes
Replace BF Goodrich nose wheel, 8.90-12.5 PIN 3-1197, Beringer wheel assembly P/N: RA-008.
FAA holder: Beringer Aero
SA2366WEOther aircraft modifications
Installation of emblem lights at mid span of horizontal stabilizer.
FAA holder: DeVore Aviation Corporation of America, a New Mexico Corporation