# Viking Air DHC-6-400

- Type: Aircraft model (FAA registry)
- Registry code: 9502640
- Manufacturer (registry): VIKING AIR LIMITED
- Model: DHC-6-400
- Aircraft type: Fixed wing multi engine
- Category: Airplane
- Engines: 2 · Turbo-prop
- Seats: 21
- Weight class: 12,500 to 19,999 lb
- Certification: Type certificated
- Data sheet: [TCDS A9EA](https://openairdocs.org/tcds/A9EA) (OpenAirDocs)
- Holder: De Havilland Aircraft of Canada Limited
- Registered aircraft: 4
- Page: https://openairdocs.org/model/viking-air-dhc-6-400

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023
- [AD 2022-11-12](https://openairdocs.org/ad/2022-11-12): Engine Controls · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 2 more. Effective Jul 13, 2022
- [AD 2022-11-09](https://openairdocs.org/ad/2022-11-09): Wing Structure · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 2 more. Effective Jul 6, 2022
- [AD 2022-10-07](https://openairdocs.org/ad/2022-10-07): Flight Control System · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 2 more. Effective Jun 23, 2022
- [AD 2022-10-03](https://openairdocs.org/ad/2022-10-03): Flight Control System · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 2 more. Effective Jun 23, 2022
- [AD 2022-07-14](https://openairdocs.org/ad/2022-07-14): Aircraft Fuel System · Viking Air DHC-6-400. Effective May 13, 2022
- [AD 2022-03-04](https://openairdocs.org/ad/2022-03-04): Time Limits · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 2 more. Effective Mar 17, 2022
- [AD 2019-10-05](https://openairdocs.org/ad/2019-10-05): Flight Controls · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 2 more. Effective Jun 20, 2019
- [AD 2018-04-02](https://openairdocs.org/ad/2018-04-02): Flight Controls · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 2 more. Effective Mar 27, 2018
- [AD 2012-26-15 R1](https://openairdocs.org/ad/2012-26-15-R1): Navigation · Agusta AW139, A318-111, A318-112 and 70 more. Effective Dec 3, 2014

Historical (superseded or no longer in force):

- [AD 2012-26-15](https://openairdocs.org/ad/2012-26-15) (historical): Navigation · Agusta AW139, A318-111, A318-112 and 71 more. Effective Jan 24, 2013

## Registered aircraft (4)

- [N729BM](https://openairdocs.org/aircraft/N729BM): [Aig Partners LLC](https://openairdocs.org/faa-owner/AIG%20PARTNERS%20LLC), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 2017, S/N 954
- [N77TF](https://openairdocs.org/aircraft/N77TF): built 2013, S/N 870
- [N790CP](https://openairdocs.org/aircraft/N790CP): [Conocophillips Alaska Inc](https://openairdocs.org/faa-owner/CONOCOPHILLIPS%20ALASKA%20INC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2018, S/N 970
- [N814SS](https://openairdocs.org/aircraft/N814SS): [Hilcorp Equipment LLC](https://openairdocs.org/faa-owner/HILCORP%20EQUIPMENT%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2014, S/N 901

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR23LA192](https://openairdocs.org/ntsb/WPR23LA192), May 20, 2023: Viking Air DHC-6-400 (N153QS), Half Moon Bay, CA, substantial damage, 2 fatal. Probable cause: The failure of the ferry fuel tank system to transfer fuel during a trans-Pacific flight for reasons that could not be determined, which resulted in fuel starvation and a subsequent ditching into the…

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20230520011569A](https://openairdocs.org/incident/20230520011569A), May 20, 2023: Viking Air Limited DHC-6-400 (N153QS), In The Ocean La, CA, Destroyed, 2 fatal. Pilots reported to ATC engine failure due to unable to transfer fuel to the main tanks. Engines failed to operate and aircraft landed in the Ocean. Result was…

## Service difficulty reports (23)

As reported by operators and repair stations, by the model named in the report.

- [SDR G7HA202307130001](https://openairdocs.org/sdr/G7HA202307130001), Jul 13, 2023: DISTRIBUTION VLV. BURNED. ON TEN OCCASIONS SINCE 2020, PILOTS REPORTED THE UNCOMMANDED INFLATION OF ALL THEIR DEICE BOOTS AT ONCE DURING TAKE-OFF. ON EVERY OCCASION, THEY WERE ABLE TO RE
- [SDR 8G9R705D](https://openairdocs.org/sdr/8G9R705D), May 23, 2022: SWITCH. INOPERATIVE. AIRCRAFT NLG DID NOT RETRACT AFTER TAKEOFF. ABLE TO LAND WITHOUT INCIDENT. UPON INSPECTION, TECHNICIANS FOUND CENTERING SWITCH OUT OF ADJUSTMENT. TECHNICIANS CO
- [SDR 2021F00206](https://openairdocs.org/sdr/2021F00206), Jul 22, 2021: CIRCUIT CARD. SHORTED. ON JULY 22, 2021 AT APPROXIMATELY 0920, INFLIGHT AND IN IMC WHILE PERFORMING THE RNAV RWY 5 APPROACH INTO PAAD THE CREW EXPERIENCED A TEMPORARY LOSS OF VERTICAL
- [SDR CA190808010](https://openairdocs.org/sdr/CA190808010), Aug 8, 2019: SCREW. WRONG PART. (CAN) DEFECT DESCRIPTION DWG: C6CF1225 REV U. IN ASSY 3, 6 AN526-632R4 SCREWS WERE FOUND NONCONFORMING, NOT IN SAFETY OF THE ANCHOR NUT ON THE C6CF1244-3 FWD CO
- [SDR CA190807008](https://openairdocs.org/sdr/CA190807008), Aug 6, 2019: ROD END. CORRODED. (CAN) MSN 974 LEFT ENGINE FAILED TO RETURN TO LOWER POWER SETTING DURING TAXI THIS MORNING. WHEN L/H POWER LEVER RETURN TO IDLE POSITION THE NG STILL 68%, R/H I
- [SDR CA190528017](https://openairdocs.org/sdr/CA190528017), May 28, 2019: WASHER. MISSING. (CAN) QTY 2 COTTER PINS MS24665-132 AND QTY 2 WASHERS AN960PD316L WERE NOT INSTALLED AS SHOWN IN MANUFACTURING DRAWINGS. VIKING IS CONTINUING TO INVESTIGATE (TC
- [SDR 2019FA0000164](https://openairdocs.org/sdr/2019FA0000164), May 27, 2019: CONTROL QUADRANT. LOOSE. THE QUADRANT ON RUDDER TORQUE TUBE WAS FOUND TO HAVE MOVEMENT BETWEEN THE TUBE AND THE QUADRANT. UPON LAST INSTALLATION A INDEX LINE WAS PLACED ON THE TUBE AND 
- [SDR 2019FA0000163](https://openairdocs.org/sdr/2019FA0000163), May 27, 2019: CONTROL QUADRANT. LOOSE. THE QUADRANT ON RUDDER TORQUE TUBE WAS FOUND TO HAVE MOVEMENT BETWEEN THE TUBE AND THE QUADRANT. UPON LAST INSTALLATION A INDEX LINE WAS PLACED ON THE TUBE AND 
- [SDR 2019FA0000162](https://openairdocs.org/sdr/2019FA0000162), May 27, 2019: CONTROL QUADRANT. LOOSE. THE QUADRANT ON RUDDER TORQUE TUBE WAS FOUND TO HAVE MOVEMENT BETWEEN THE TUBE AND THE QUADRANT. UPON LAST INSTALLATION A INDEX LINE WAS PLACED ON THE TUBE AND 
- [SDR 2019FA0000161](https://openairdocs.org/sdr/2019FA0000161), May 27, 2019: CONTROL QUADRANT. LOOSE. THE QUADRANT ON RUDDER TORQUE TUBE WAS FOUND TO HAVE MOVEMENT BETWEEN THE TUBE AND THE QUADRANT. UPON LAST INSTALLATION A INDEX LINE WAS PLACED ON THE TUBE AND 
- [SDR 2019FA0000160](https://openairdocs.org/sdr/2019FA0000160), May 27, 2019: CONTROL QUADRANT. LOOSE. THE QUADRANT ON RUDDER TORQUE TUBE WAS FOUND TO HAVE MOVEMENT BETWEEN THE TUBE AND THE QUADRANT. UPON LAST INSTALLATION A INDEX LINE WAS PLACED ON THE TUBE AND 
- [SDR CA190522024](https://openairdocs.org/sdr/CA190522024), May 9, 2019: CONTROL ROD. DAMAGED. (CAN) ON THE 9TH OF MAY DURING PRE-FLIGHT CHECKS ON DQ-FLA (MSN: 968) THE CONTROL ROD ASSY (PN: C6FS5018 3) ON THE DOOR AIRSTAIR CABIN WAS FOUND DAMAGED. UPON F
- [SDR CA190528016](https://openairdocs.org/sdr/CA190528016), May 8, 2019: SUMP. MALFUNCTIONED. (CAN) SEVERAL SUMPS DISPLAYED VARIOUS DEGREES OF FUEL SEEPAGE DURING THE PAINT INSPECTION AT SPOKANE ON APRIL 15. THE SUMPS WERE CLEANED AND DRIED AT THAT TIME 
- [SDR CA190528018](https://openairdocs.org/sdr/CA190528018), Apr 26, 2019: ROD END. DAMAGED. (CAN) VSC30-3A ROD ENDS MAY HAVE CONDITIONS. MISSING HARD CHROME PLATING OF ROD END BALL AS PER VSC30 REV A. DEFECTS FOUND ON BEARING RACE SUCH AS NICKS, JAGGED
- [SDR CA190418011](https://openairdocs.org/sdr/CA190418011), Apr 15, 2019: SCREEN. CORRODED. (CAN) MAU COOLING FAN SCREEN FOUND CORRODED AND WITH PIECES MISSING. VIKING IS CONTINUING TO INVESTIGATE. ATA 31 (TC# 20190418011)
- [SDR CA190412002](https://openairdocs.org/sdr/CA190412002), Apr 7, 2019: ROD END. FAILED. (CAN) ROD END FAILED DUE TO CORROSION. HAS REQUESTED THE PARTS TO BE RETURNED FOR INVESTIGATION. (TC# 20190412002)
- [SDR CA190327025](https://openairdocs.org/sdr/CA190327025), Mar 21, 2019: PRESSURE SWITCH. INTERMITTENT. (CAN) HYDRAULIC PRESSURE SWITCH P/N P12M-H185 S/N 102 WAS SNAGGED FOR INTERMITTENT OPERATION PRIOR TO A/C DEPARTURE.
- [SDR CA190424021](https://openairdocs.org/sdr/CA190424021), Nov 18, 2018: HOSE. LEAKING. (CAN) HOSE SPLIT AND LEAKING.
- [SDR CA180616005](https://openairdocs.org/sdr/CA180616005), May 28, 2018: PROBE. FALSE INDICATION. (CAN) FALSE INDICATION OF AMOUNT OF FUEL ATA 28-00. (TC# 20180616005)
- [SDR CA180616004](https://openairdocs.org/sdr/CA180616004), May 28, 2018: PRESSURE SWITCH. BROKEN. (CAN) FALSE INDICATION OF AMOUNT OF FUEL ATA 28-00. (TC# 20180616004)
- [SDR CA180616003](https://openairdocs.org/sdr/CA180616003), May 12, 2018: PRESSURE SWITCH. FLUCTUATES. (CAN) HYDRAULIC PRESSURE SWITCH PRE MOD 6/2313 DROPS TO 1220 PSI. OUTSIDE THE PERMISSIBLE LIMIT, SWITCH OPENS AT INCONSISTENT PRESSURES IN 1480, 1520,1500 PSI`S
- [SDR CA180404016](https://openairdocs.org/sdr/CA180404016), Apr 2, 2018: CONTROL CABLE. CHAFED. (CAN) DURING THE EMMA 2 INSPECTION IT WAS DISCOVERED THAT THE LEFT HAND AILERON CABLE WAS CHAFING ON THE STEERING CABLE AT THE BASE OF THE YOKE. THE CHAFING OCC
- [SDR CA180222018](https://openairdocs.org/sdr/CA180222018), Jan 24, 2018: PUMP. FAILED. (CAN) FORWARD BOOT PUMP 1 FAILURE ON TAXI IN AT GLA. (TC NR 20180222018).

## STCs that may be installed (OpenAirDocs) (88, first 50)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SA1841NM](https://openairdocs.org/stc/SA1841NM): Installation of larger windows and the lowering of the seats. Twin Otter STC Holdings, LLC
- [STC SA12430IB](https://openairdocs.org/stc/SA12430IB): Installation of the Garmin G1000 NXi Integrated Flight Deck System. Aerocorp Avionics Solutions Inc
- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [STC SA943EA](https://openairdocs.org/stc/SA943EA): Replacement of de Havilland wing bleed air ducting with alternate ducting. Texas Air Services Inc
- [STC SA03749NY](https://openairdocs.org/stc/SA03749NY): Installation of Garmin G950 Integrated Flight Deck System. Aerocorp Avionic Solutions Inc
- [STC SA12101IB](https://openairdocs.org/stc/SA12101IB): Installation of Cabin Interior Upgrade. De Havilland Aircraft of Canada Limited
- [STC SA00887LA](https://openairdocs.org/stc/SA00887LA): Installation of Pitot Heater Fail Lights. Team J.A.S
- [STC SA02556LA](https://openairdocs.org/stc/SA02556LA): Installation of Passenger Utility Seats. Team J.A.S
- [STC SA02649LA](https://openairdocs.org/stc/SA02649LA): Installation of Max-Viz 2300 Enhanced Vision System. Team J.A.S
- [STC SA02730LA](https://openairdocs.org/stc/SA02730LA): Installation of High-Flow 250 AMP Starter-Generators. Team J.A.S
- [STC SA02806LA](https://openairdocs.org/stc/SA02806LA): Structural Provisions for AFT Camera Hatch. Team J.A.S
- [STC SA04046CH PAGE 2](https://openairdocs.org/stc/SA04046CH%20PAGE%202): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc
- [STC SA09887AC](https://openairdocs.org/stc/SA09887AC): Installation of an Avionica MK-III mini Quick Access Recorder (QAR) and optional 4G or LTE Avionica Cellular Module (avCM. Aircraft Systems and Manufacturing Inc
- [STC SA39CH](https://openairdocs.org/stc/SA39CH): Installation of an Amphibian Landing Gear Position Advisory System/Laser Gear Advisory System. Wipaire Inc
- [STC SA02386AK](https://openairdocs.org/stc/SA02386AK): Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems. AeroLED's Holding LLC
- [STC SA00345BO](https://openairdocs.org/stc/SA00345BO): Installation of an NVIS / NVG Compatible Lighting System. ATI Engineering Services LLC
- [STC SA00196IB](https://openairdocs.org/stc/SA00196IB): Installation of the Replacement Aluminum Cargo Floor Panels. Rocky Mountain Aircraft
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA00157IB](https://openairdocs.org/stc/SA00157IB): Installation of the Cabin Audio System Upgrade. Unity Aviation Canada Ltd
- [STC SA00085IB](https://openairdocs.org/stc/SA00085IB): Installation of Elevator Replacement Trailing Edge. Rocky Mountain Aircraft
- [STC SA02010WI](https://openairdocs.org/stc/SA02010WI): Installation of the Mid-Continent Instruments & Avionics MD23 FLEX Custom Function Display (CFD). Mid-Continent Instruments and Avionics
- [STC SA00076IB](https://openairdocs.org/stc/SA00076IB): Installation of Photo luminescent Safety Systems. STG AEROSPACE GERMANY GmbH
- [STC SA04482CH](https://openairdocs.org/stc/SA04482CH): INSTALL TELEDYNE FLIR INC STAR SAFIRE 380-HDc FLIR IMAGING SYSTEM WITH LASER RANGE FINDER (LRF). MAG AEROSPACE
- [STC SA04550AT](https://openairdocs.org/stc/SA04550AT): Main Wheel and Brake Assembly for the Viking Air DHC-6 Series aircraft. PMA Design and Manufacturing
- [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC
- [STC SA04701NY](https://openairdocs.org/stc/SA04701NY): Replacement of Fixed Wing Control Cables. Thunder Bay Aviation Ltd
- [STC SA04698NY](https://openairdocs.org/stc/SA04698NY): Approval of an Controlled Aircraft Equipment Configuration providing for the authorized use of Transmitting Portable Electronic Devices (TPED). Kilroy Aviation LLC
- [STC SA00282NY](https://openairdocs.org/stc/SA00282NY): Replacement latches on upper and lower cargo door. PMA Design & Manufacturing Inc
- [STC SA04587NY](https://openairdocs.org/stc/SA04587NY): Installation of Acorn Welding C6SC1107-NG Exhaust stacks. Acorn Welding Ltd
- [STC SA09856AC](https://openairdocs.org/stc/SA09856AC): Installation of BendixKing Aerowave 100 In-flight Data Link System for non-essential, non-required aircraft Cabin Systems & Equipments. Honeywell International Inc (Bendix King)
- [STC SA04651NY](https://openairdocs.org/stc/SA04651NY): Aft Lavatory Installation. Viking Air Limited
- [STC SA02265SE](https://openairdocs.org/stc/SA02265SE): Installation of a camera housing. Airborne Sensor LLC
- [STC SA09894AC](https://openairdocs.org/stc/SA09894AC): Installation of Night Vision Goggle (NVG) compatible lighting system in Viking Air Limited Model DHC-6-300 modified. Aero Dynamix Inc
- [STC SA04623NY](https://openairdocs.org/stc/SA04623NY): Installation of Type 1 (PAA Design group) DHC-6 Twin Otter Seats. Regent Aircraft Services
- [STC SA04595NY](https://openairdocs.org/stc/SA04595NY): Installation of STC-AT-141. AIRBORNE TECHNOLOGIES GmbH
- [STC SA04575NY](https://openairdocs.org/stc/SA04575NY): Installation of IKHANA Station 332 Bulkhead Door. IKHANA Aircraft Canada Inc
- [STC SA04284NY](https://openairdocs.org/stc/SA04284NY): Installation of the K-A Band Antenna and system provisions. airplus engineering GmbH
- [STC SA04565NY](https://openairdocs.org/stc/SA04565NY): Installation of the Replacement Cabin Roof Escape Hatch. Rocky Mountain Aircraft
- [STC SA02267LA](https://openairdocs.org/stc/SA02267LA): Approves the Viking Air Limited DHC-6-300 and DHC-6-400 landplanes to take off and land at a maximum weight of 14,000 pounds and DHC-6-300 and DHC-6-400 floatplanes to take off and land at a maximum weight of 13,600 pounds. IKHANA Group Inc
- [STC SA02627LA](https://openairdocs.org/stc/SA02627LA): Installation of wing hardpoints. IKHANA Group Inc
- [STC SA04486CH](https://openairdocs.org/stc/SA04486CH): EMS conversion in accordance with Spectrum Aeromed Master Drawing List 6080DL, Revision: 1 (One), dated September 22, 2020, or later FAA approved revisions. Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC SA04514NY](https://openairdocs.org/stc/SA04514NY): Single/Dual Transponder System ADS-B Upgrade. Scandinavian Avionics Design ApS
- [STC SA04444CH](https://openairdocs.org/stc/SA04444CH): Installation of Forward-Looking Infrared Radar (FLIR) System Provisions in accordance with MAG Aerospace Master Data List, Doc. No. 2020006-MDL-100, Revision F, dated June 23, 2020. MAG Aerospace
- [STC SA04437NY](https://openairdocs.org/stc/SA04437NY): Installation of the VIP Club Seating. IKHANA Aircraft Canada Inc
- [STC SA01452CH](https://openairdocs.org/stc/SA01452CH): Installation of an air ambulance conversion kit. Med-Pac Inc
- [STC SA04458AT](https://openairdocs.org/stc/SA04458AT): Installation of the PMA Design and Manufacturing nose landing gear (NLG) shock strut assembly. PMA Design & Manufacturing Inc
- [STC SA03768NY](https://openairdocs.org/stc/SA03768NY): Installation of Enhanced Air Conditioning System. IKHANA Aircraft Canada Inc
- [STC SA00344BO PAGE 2](https://openairdocs.org/stc/SA00344BO%20PAGE%202): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SA03266NY](https://openairdocs.org/stc/SA03266NY): Installation of a Cockpit (crew) Oxygen System. IKHANA Aircraft Canada Inc
- [STC SA00355BO](https://openairdocs.org/stc/SA00355BO): Installation of a Ballistic Protection System. MAG Aerospace

All 88: https://openairdocs.org/model/viking-air-dhc-6-400/stcs.md

## PMA parts (OpenAirDocs) (776, first 50)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first.

- [9143FR-0200](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID195053467420260909221038.0001): Corrosion Prevention Sealing Tape. 3M Aerospace · PMA PQ04414CE · Modification part · Jul 7, 2026
- [9143FR](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173233226220260909221038.0001): Corrosion Prevention Sealing Tape. 3M Aerospace · PMA PQ04414CE · Modification part · Jul 7, 2026
- [9143FR-0100](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID162603096220260909221038.0001): Corrosion Prevention Sealing Tape. 3M Aerospace · PMA PQ04414CE · Modification part · Jul 7, 2026
- [9143FR-0315](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154342368020260909221039.0001): Corrosion Prevention Sealing Tape. 3M Aerospace · PMA PQ04414CE · Modification part · Jul 7, 2026
- [9143FR-0325](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117837139520260909221039.0001): Corrosion Prevention Sealing Tape. 3M Aerospace · PMA PQ04414CE · Modification part · Jul 7, 2026
- [PDMC6FSM3730-29](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151556801720260705233110.0001): Guide Locking Pin Assembly. PMA Design & Manufacturing · PMA PQ1570CE · Replaces C6FSM3730-29 · Jun 1, 2026
- [PDMC6FSM2699-27](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID124999350220260705233109.0001): Guide Block Assembly. PMA Design & Manufacturing · PMA PQ1570CE · Replaces C6FSM2699-27 · Jun 1, 2026
- [KAC3FF30-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103142174820260512112234.0001): Clamp – Fwd Pilot’s Seat Support. Kenmore Air Harbor LLC · PMA PQ1939NM · Replaces C3FF30-3 · May 6, 2026
- [TAS1002-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190891927220260522104407.0001): Overboard Vent Assy. Texas Air Services, Inc. · PMA PQ1041SW · Modification part · Apr 28, 2026
- [TAS1001-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184626060420260522104406.0001): Duct Assy & Details. Texas Air Services, Inc. · PMA PQ1041SW · Modification part · Apr 28, 2026
- [TAS1004-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID174088256520260522104407.0001): Gasket. Texas Air Services, Inc. · PMA PQ1041SW · Modification part · Apr 28, 2026
- [TAS1005-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171738474320260522104407.0001): Spacer. Texas Air Services, Inc. · PMA PQ1041SW · Modification part · Apr 28, 2026
- [TAS1003-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID153876420020260522104407.0001): Doubler. Texas Air Services, Inc. · PMA PQ1041SW · Modification part · Apr 28, 2026
- [TAS1006-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131262830720260522104408.0001): Bellows Assy. Texas Air Services, Inc. · PMA PQ1041SW · Modification part · Apr 28, 2026
- [TASX229-181](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121369529620260522104408.0001): Clamp Assy. Texas Air Services, Inc. · PMA PQ1041SW · Modification part · Apr 28, 2026
- [OX00-2001-503](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166215635120260325190625.0001): Passenger Oxygen System. IKHANA Aircraft Services · PMA PQ2142NM · Modification part · Mar 18, 2026
- [APS162-03400](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186997995320260313134725.0001): Outer Wheel Half. Airforms LLC · PMA PQ2644CE · Replaces 162-03400, 161-03401 · Mar 9, 2026
- [APS153-00900](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID158444971020260313134732.0001): Ring-Grease Seal. Airforms LLC · PMA PQ2644CE · Replaces 153-00900 · Mar 9, 2026
- [APS214-01400](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155171304720260313134737.0001): Cone-Bearing. Airforms LLC · PMA PQ2644CE · Replaces 214-01400, LM29749-20629, 214-30795-2 · Mar 9, 2026
- [APS40-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149502255320260313134721.0001): 7.50-10 Wheel Assy. Airforms LLC · PMA PQ2644CE · Replaces 40-101, 40-101D · Mar 9, 2026
- [APS214-01300](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146514109820260313134727.0001): Cup-Bearing. Airforms LLC · PMA PQ2644CE · Replaces 214-01300, LM29710-20629, 214-30795-1 · Mar 9, 2026
- [APS155-00100](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139559416620260313134735.0001): Snap Ring. Airforms LLC · PMA PQ2644CE · Replaces 155-00100 · Mar 9, 2026
- [APS067-06300](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID128321287520260313134729.0001): Spacer. Airforms LLC · PMA PQ2644CE · Replaces 067-06300 · Mar 9, 2026
- [APS161-03600](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125910952420260313134723.0001): Inner Wheel Half. Airforms LLC · PMA PQ2644CE · Replaces 161-03600, 161-03601 · Mar 9, 2026
- [APS158-00300](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID104911189920260313134740.0001): Hub Cap. Airforms LLC · PMA PQ2644CE · Replaces 158-00300 · Mar 9, 2026
- [650-0100-05](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149139328720250918135512.0001): avCM LTE. Avionica LLC. · PMA PQ1734CE · Modification part · Jun 20, 2025
- [650-0100-04](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID124455338920250918135509.0001): avCM 4G. Avionica LLC. · PMA PQ1734CE · Modification part · Jun 20, 2025
- [804-1201, 804-1205, 804-1205-03, 804-1212, 804-1216](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID108510883820250918135507.0001): miniQAR MKIII. Avionica LLC. · PMA PQ1734CE · Modification part · Jun 20, 2025
- [MQAR-Y-XXXXZZZZ#](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102387109620250918135514.0001): miniQAR Installation Kit. Avionica LLC. · PMA PQ1734CE · Modification part · Jun 20, 2025
- [9520218AB](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID172114135320250617112735.0001): Bolt, Wheel. Aero Brake & Spares Inc · PMA PQ0694SW · Replaces 9520218 · Jan 23, 2025
- [PM-76](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184469513420251118174441.0001): Radome Mask. PM Research, Inc. · PMA PQ10049NE · Modification part · Dec 16, 2024
- [PDMC6FSM1734-1CR](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139176996820250724165930.0001): Hinge Assembly. PMA Design & Manufacturing · PMA PQ1570CE · Replaces C6FSM1734-1 · Nov 7, 2024
- [MQAR-Y-XXXXZZZZ#](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164906975020240924135409.0001): miniQAR Installation Kit. Avionica LLC. · PMA PQ1734CE · Modification part · Sep 20, 2024
- [9143FR-0250](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID195800852920240826152109.0001): Corrosion Prevention Sealing Tape. 3M Aerospace · PMA PQ04414CE · Modification part · Jul 22, 2024
- [9143FR-2400](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167804689420240826152110.0001): Corrosion Prevention Sealing Tape. 3M Aerospace · PMA PQ04414CE · Modification part · Jul 22, 2024
- [9143FR-0375](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143354690920240826152110.0001): Corrosion Prevention Sealing Tape. 3M Aerospace · PMA PQ04414CE · Modification part · Jul 22, 2024
- [9143FR-0075](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139731902220240826152108.0001): Corrosion Prevention Sealing Tape. 3M Aerospace · PMA PQ04414CE · Modification part · Jul 22, 2024
- [9143FR-0125](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID133796165320240826152109.0001): Corrosion Prevention Sealing Tape. 3M Aerospace · PMA PQ04414CE · Modification part · Jul 22, 2024
- [9143FR-0300](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132573376120240826152109.0001): Corrosion Prevention Sealing Tape. 3M Aerospace · PMA PQ04414CE · Modification part · Jul 22, 2024
- [9143FR-0225](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110178059620240826152109.0001): Corrosion Prevention Sealing Tape. 3M Aerospace · PMA PQ04414CE · Modification part · Jul 22, 2024
- [9143FR](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100998534220240826152108.0001): Corrosion Prevention Sealing Tape. 3M Aerospace · PMA PQ04414CE · Modification part · Jul 22, 2024
- [PM-73](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150859649820250709145718.0001): Radome Mask. PM Research, Inc. · PMA PQ10049NE · Replaces NA · Jul 5, 2024
- [PDM461C1B3B3-04-0220](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129021845820241025210351.0001): Flexible Tube Assembly. PMA Design & Manufacturing · PMA PQ1570CE · Replaces 461C1B3B3-04-0220 · Jun 25, 2024
- [TA2972-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180037167020240409154944.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Feb 14, 2024
- [TA2972-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119822958920240409154947.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Feb 14, 2024
- [10-50011-XFCCC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199144491720231121213635.0001): SSUL-X11 Track Assembly. STG Aerospace, Inc. · PMA PQ00023CB · Replaces 10-50011-XFCCC · Nov 20, 2023
- [10-50010-XFCCC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199116714820231121213627.0001): SSUL-X11 Lateral Extension Track Assembly. STG Aerospace, Inc. · PMA PQ00023CB · Replaces 10-50010-XFCCC · Nov 20, 2023
- [30-50001](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID188766346220231121213709.0001): Scapa 5169 Filler. STG Aerospace, Inc. · PMA PQ00023CB · Replaces 30-50001 · Nov 20, 2023
- [10-50009-XFCCC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185232822820231121213618.0001): SSUL-X Lateral Extension Track Assembly. STG Aerospace, Inc. · PMA PQ00023CB · Replaces 10-50009-XFCCC · Nov 20, 2023
- [12-50007](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170430670720231121213738.0001): Assembly: saf-Tglo® Supplemental Signage/Placard. STG Aerospace, Inc. · PMA PQ00023CB · Replaces 12-50007 · Nov 20, 2023

All of them: https://openairdocs.org/model/viking-air-dhc-6-400/pma.md

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Viking DHC-6-400](https://openairdocs.org/model/viking-dhc-6-400): 0 registered aircraft, registry code 5026494

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