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-6-300 STCs
The Jun 30, 2026 FAA DRS snapshot contains 91 selected supplemental type certificates with status Current whose public applicability data names the Viking Air DHC-6-300. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
91
listed Current at snapshot
30
holder directories
13
modification categories
Apr 15, 2026
latest recorded revision
Modification demand surface
Other aircraft modifications33
Cabin and interiors11
Aircraft structures9
Avionics8
Fuel systems6
Landing gear and brakes5
Safety and emergency equipment5
Engine and powerplant4
Flight controls3
Electrical systems3
Cargo and special mission2
Aircraft performance1
Propellers1
Recorded holders
Rocky Mountain Aircraft27Kenn Borek Air Limited7IKHANA Group Inc.6Thunder Bay Aviation Ltd4PMA Design & Manufacturing Inc.4IKHANA Aircraft Canada Inc.4Texas Air Services Inc3Wipaire Inc2Rockwell Collins Inc2Benz Airborne Systems2FFC Manufacturing2Kaman Corporation Aircraft Wheel and Brake LLC1Kilroy Aviation LLC1Honeywell International Inc1Acorn Welding Ltd.1Aerocorp Avionic Solutions Inc1Aero Dynamix Inc.1S-TEC Corporation1Unity Aviation Canada Ltd.1Aviation Specialties Unlimited Inc.1
Recently revised DHC-6-300 STCs
Showing the 91 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
SA00221IBOther aircraft modifications
Installation of the Nose Cone Research Provisions.
FAA holder: Rocky Mountain Aircraft
SA00196IBCargo and special mission
Installation of the Replacement Aluminum Cargo Floor Panels.
FAA holder: Rocky Mountain Aircraft
SA02380LAAircraft structures
Re-Life of the Viking Air Limited Model DHC-6 Series 100, 200 and 300 fuselage, horizontal stabilizer, and vertical stabilizer.
FAA holder: IKHANA Group Inc.
SA00171IBAvionics
Installation of the Radar Altimeter Mounts (Structural Provisions Only).
FAA holder: Rocky Mountain Aircraft
SA00152IBCabin and interiors
Installation of High Back Seat Modification.
FAA holder: Kenn Borek Air Ltd.
SA00129IBFuel systems
Decommission of Standard Operators Options (S.O.O.) 6095 Fuel System.
FAA holder: Kenn Borek Air Ltd.
SA00085IBFlight controls
Installation of Elevator Replacement Trailing Edge.
FAA holder: Rocky Mountain Aircraft
SA1065GLLanding gear and brakes
Install Aircraft Wheel and Brake CONVERSION Kit 199-92, N/C.
FAA holder: KAMAN Corporation Aircraft Wheel and Brake LLC
SA04550ATLanding gear and brakes
Main Wheel and Brake Assembly for the Viking Air DHC-6 Series aircraft.
FAA holder: PMA Design and Manufacturing
SA00061IBOther aircraft modifications
Activation of the Garmin GTN 750 (Xi) TAWS-A.
FAA holder: Rocky Mountain Aircraft
SA00060IBOther aircraft modifications
Installation of LED Replacement Cockpit Panels.
FAA holder: Rocky Mountain Aircraft
SA00054IBOther aircraft modifications
Installation of Pitot Heat Indication System.
FAA holder: Rocky Mountain Aircraft
SA00042IBEngine and powerplant
Installation of Engine Chip Detectors.
FAA holder: Rocky Mountain Aircraft
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
SA5970NMSafety and emergency equipment
MK VI Ground Proximity Warning System installed and maintained in accordance with Honeywell Top Drawing No. 960-2177, Revision A, dated June 28, 1993, or later FAA Approved revision.
FAA holder: Honeywell International Inc
SA00282NYCargo and special mission
Replacement latches on upper and lower cargo door.
FAA holder: PMA Design & Manufacturing Inc.
SA00160LAAircraft structures
Installation of IKHANA Aircraft Services wing box assembly.
FAA holder: IKHANA Group Inc.
SA04587NYEngine and powerplant
Installation of Acorn Welding C6SC1107-NG Exhaust stacks.
FAA holder: Acorn Welding Ltd.
SA04672NYCabin and interiors
Installation of the Emergency Cabin Lighting System.
FAA holder: Aerocorp Avionic Solutions Inc
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
SA04611NYAircraft structures
Installation of the 27" X 36" Fuselage Cut-Out with FS 281 - 321.
FAA holder: Rocky Mountain Aircraft
SA04575NYAircraft structures
Installation of IKHANA Station 332 Bulkhead Door.
FAA holder: IKHANA Aircraft Canada Inc.
SA04341NYOther aircraft modifications
Removal of the Beta Back-up System.
FAA holder: Kenn Borek Air Limited
SA04565NYCabin and interiors
Installation of the Replacement Cabin Roof Escape Hatch.
FAA holder: Rocky Mountain Aircraft
SA04559NYAvionics
Installation of Single or Dual Sandel SN4500 Primary Navigation Display(s) (EHSI) with optional SA4550\nprimary attitude display(s) (EADI).
FAA holder: Rocky Mountain Aircraft
SA09761DSFlight controls
Installation of an S-TEC 01326 Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
SA04479NYOther aircraft modifications
Circuit Breaker Panel replacement.
FAA holder: Unity Aviation Canada Ltd
SA612NEAircraft structures
Installation of Bick Airstair door.
FAA holder: PMA Design & Manufacturing Inc.
SA04437NYCabin and interiors
Installation of the VIP Club Seating.
FAA holder: IKHANA Aircraft Canada Inc.
SA04033NYOther aircraft modifications
Installation of the LED Master Caution Panel.
FAA holder: Rocky Mountain Aircraft
SA02103SEOther aircraft modifications
Installation of a Supplemental Lighting System.
FAA holder: Aviation Specialties Unlimited 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.
SA04330NYSafety and emergency equipment
Installation of Pitot Heat Failure Warning System.
FAA holder: Kenn Borek Air Limited
SA03768NYOther aircraft modifications
Installation of Enhanced Air Conditioning System.
FAA holder: IKHANA Aircraft Canada Inc.
SA1837WEOther aircraft modifications
Installation of freon air-conditioning system.
FAA holder: Air Comm Corporation
SA04339NYCabin and interiors
Installation of Cabin Interior Replacement Kit.
FAA holder: Kenn Borek Air Limited
SA04348NYCabin and interiors
Installation of the Replacement Cabin Ceiling Panels.
FAA holder: Kenn Borek Air Limited
SA04349NYOther aircraft modifications
Installation of the Hydraulic Pump Cutoff Switch.
FAA holder: Kenn Borek Air Limited
SA04343NYOther aircraft modifications
Installation of the Ceiling Panels.
FAA holder: Kenn Borek Air Limited
SA03266NYSafety and emergency equipment
Installation of a Cockpit (crew) Oxygen System.
FAA holder: IKHANA Aircraft Canada Inc.
SA02302NYOther aircraft modifications
Installation of SMR Technologies pneumatic de-icer models.
FAA holder: SMR Technologies Inc
SA04312NYOther aircraft modifications
Installation of the Research Provisions.
FAA holder: Rocky Mountain Aircraft
SA04311NYAircraft structures
Installation of a 27" X 36" Fuselage Cut-out (Research Compartment).
FAA holder: Rocky Mountain Aircraft
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
SA03923NYAvionics
Installation of Avionics Shelves/Equipment Racks.
FAA holder: Rocky Mountain Aircraft
SA03899NYElectrical systems
Installation of the TB44 Lithium Ion Battery System.
FAA holder: Avmax Aviation Services Inc
SA03868NYFuel systems
Installation of the replacement Fuel Quantity Indicating System (FQIS).
FAA holder: Rocky Mountain Aircraft
SA2560NMOther aircraft modifications
Installation of auxiliary power unit, two air cycle machines and optical viewport.
FAA holder: MIT Lincoln Laboratory
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
SA01806WIOther aircraft modifications
Modification of Rockwell Collins TCAS II System Installation with DC powered TCAS Transmitter Receiver Processor.
FAA holder: Rockwell Collins Inc
SA4622SWOther aircraft modifications
Installation of JLC Aeronautical Vapor Cycle Air Conditioner.
FAA holder: JLC Aeronautical LLC
SA03363NYAvionics
Installation of Universal Avionics TAWS, Class A.
FAA holder: Rocky Mountain Aircraft
SA03368NYPropellers
Installation of 4-Blade MT-Propeller (Model# MTV-16-1-E-C-F-R(P) / CFR240-55).
FAA holder: MT- Propeller Entwicklung GmbH
SA03357NYOther aircraft modifications
Installation of L-3 Communications ESI-1000 Electronic Standby Indicator or Mid-Continent 4200-10 Standby Attitude Indicator or Mid-Continet 4300-411Standby Attitude Indicator.
FAA holder: Rocky Mountain Aircraft
SA03346NYAvionics
Installation of single Garmin GTN-650 or GTN-750 GPS/NAV/COMM.
FAA holder: Rocky Mountain Aircraft
SA01869NYOther aircraft modifications
Installation of a Single or Dual Scandel ST3400 TAWS/RMI System.
FAA holder: Rocky Mountain Aircraft
SA03265NYOther aircraft modifications
Installation of the PT6A-34 Engines derated to 620 SHP, in lieu of PT6A-27 engines.
FAA holder: Rocky Mountain Aircraft
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
ST01969CHOther aircraft modifications
Installation of a Benz Airborne Systems torque Pressure System.
FAA holder: Benz Airborne Systems
ST01970CHOther aircraft modifications
Installation OF A Benz Airborne Systems Oil Pressure System.
FAA holder: Benz Airborne Systems
SA03150NYAvionics
Installation of either Universal Avionics CVR-120A or CVR-120R Cockpit Voice Recorder.
FAA holder: Rocky Mountain Aircraft
SA03971ATElectrical systems
Replace NiCd battery with Lead Acid battery on Viking Air Limited DHC-6-1, DHC-6-100, DHC-6-200 and DHC-6-300 and associated hardware.
FAA holder: Concorde Battery Corporation
SA00907WI-DOther aircraft modifications
Modification of a Rockwell Collins, Inc. TCAS II system installation to Change 7.0 or Change 7.1.
FAA holder: Rockwell Collins Inc
SA02110CH (PAGE 4)Other aircraft modifications
Installation of a Time Trac Data Recorder.
FAA holder: P2 Incorporated
SA03813ATEngine and powerplant
Installation of two (2) digital Turbine Temperature (T5) Indicators and two (2) circuit breakers.
FAA holder: PMA Design & Manufacturing Inc.
SA00027MC-DOther aircraft modifications
Installation of a L3 Communications Cockpit Voice and Flight Data Recorder (CVDR).
FAA holder: ARINC Inc.
SA02698NYLanding gear and brakes
Main Landing Gear Compression Block installation.
FAA holder: Thunder Bay Aviation Ltd
SA01195AT-DFuel systems
Installation of replacement fuel cell assemblies.
FAA holder: FFC Manufacturing
SA02387NYCabin and interiors
Installation of Substitute Passenger Cabin and Cargo Baggage Floor Composite Panels.
FAA holder: Rocky Mountain Aircraft
SA02297NYAvionics
Installation of Universal Avionics CVR-30B Cockpit Voice Recorder.
FAA holder: Rocky Mountain Aircraft
SA01762NYCabin and interiors
Removal of deHavilland P/N C6FF1870-15 and installation of Improved Utility Seat Support TBC6FF1870-15.
FAA holder: Thunder Bay Aviation Ltd
SA4972NMCabin and interiors
Installation of 130 gallon auxiliary fuel tank in the passenger compartment. (DHC-6-300 restricted category).
FAA holder: Twin Otter International Ltd.
SA00049DESafety and emergency equipment
Installation of Sundstrand Mk VI ground proximity warning system.
FAA holder: Learjet Inc
SA2366WEOther aircraft modifications
Installation of emblem lights at mid span of horizontal stabilizer.
FAA holder: DeVore Aviation Corporation of America, a New Mexico Corporation