# Dehavilland DHC-6-300

- Type: Aircraft model (FAA registry)
- Registry code: 2802630
- Manufacturer (registry): DEHAVILLAND
- Model: DHC-6-300
- Aircraft type: Fixed wing multi engine
- Category: Airplane
- Engines: 2 · Turbo-prop
- Seats: 22
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS A9EA](https://openairdocs.org/tcds/A9EA) (OpenAirDocs)
- Holder: De Havilland Aircraft of Canada Limited
- Registered aircraft: 59
- Page: https://openairdocs.org/model/dehavilland-dhc-6-300

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 2022-03-04](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 2009-04-09](https://openairdocs.org/ad/2009-04-09): Wing front spar adapter · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Mar 26, 2009
- [AD 2008-24-01](https://openairdocs.org/ad/2008-24-01): Flight control gust locks · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Dec 30, 2008
- [AD 2008-13-11](https://openairdocs.org/ad/2008-13-11): Corrosion · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Aug 5, 2008
- [AD 2006-16-18 R1](https://openairdocs.org/ad/2006-16-18-R1): Installing a warning placard on the TAWS/RMI · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 100 more. Effective Jul 18, 2008
- [AD 2005-25-08](https://openairdocs.org/ad/2005-25-08): Electronic Flight Information System (EFIS) · B-N Group BN-2A, 172, 180 and 22 more. Effective Jan 23, 2006
- [AD 2005-18-20](https://openairdocs.org/ad/2005-18-20): "FASTprop" propeller de-icers · Hartzell PHC-C3YF-1RF/F8468A(B,K)-8R constant speed propeller (STC SA00718LA or 17 others). Effective Oct 14, 2005
- [AD 2005-01-19](https://openairdocs.org/ad/2005-01-19): Mode S transponders · GARMIN International GTX 330D, GTX 330, GTX 33D and 830 more. Effective Feb 23, 2005
- [AD 2000-06-03](https://openairdocs.org/ad/2000-06-03): Pneumatic Deicing Boots · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective May 5, 2000
- [AD 98-25-02](https://openairdocs.org/ad/98-25-02): Top-mounted Antenna · Bell Helicopter Textron Canada 407, 172, 172A and 243 more. Effective Dec 22, 1998
- [AD 97-23-09](https://openairdocs.org/ad/97-23-09): Inspect Fuselage Side Frames for Cracks · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Dec 22, 1997
- [AD 97-07-10 R1](https://openairdocs.org/ad/97-07-10-R1): Wing Struts · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective May 23, 1997
- [AD 96-09-11](https://openairdocs.org/ad/96-09-11): Airplane Flight Manual (AFM) - Icing · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Jun 11, 1996
- [AD 95-22-07](https://openairdocs.org/ad/95-22-07): Horizontal Stabilizer Attachment Fittings · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Dec 27, 1995
- [AD 95-21-14](https://openairdocs.org/ad/95-21-14): Tailplane Outboard Hinge Arm Assembly · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Dec 4, 1995
- [AD 95-18-11](https://openairdocs.org/ad/95-18-11): Wing Rear Spar Attachment Caps · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Oct 26, 1995
- [AD 95-18-10](https://openairdocs.org/ad/95-18-10): Elevator Root Rib · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Oct 26, 1995
- [AD 94-14-22](https://openairdocs.org/ad/94-14-22): Elevator Control Support · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Aug 31, 1994
- [AD 94-08-10](https://openairdocs.org/ad/94-08-10): Wing Main Spar · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Jun 13, 1994
- [AD 94-04-01](https://openairdocs.org/ad/94-04-01): Wing Attachment Fittings · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Mar 31, 1994
- [AD 93-10-08](https://openairdocs.org/ad/93-10-08): Controls in Overhead Control Console · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Jul 16, 1993
- [AD 93-02-04](https://openairdocs.org/ad/93-02-04): Elevator Support Assembly · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Mar 19, 1993
- [AD 90-11-01](https://openairdocs.org/ad/90-11-01): Elevator Pushrod Assembly · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Nov 16, 1990
- [AD 87-04-23](https://openairdocs.org/ad/87-04-23): Wing Support Strut · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Mar 16, 1987
- [AD 87-03-12](https://openairdocs.org/ad/87-03-12): Utility Seat - Forward Legs · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Feb 13, 1987
- [AD 80-13-11 R2](https://openairdocs.org/ad/80-13-11-R2): Rod Assemblies · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Aug 10, 1983
- [AD 82-26-06](https://openairdocs.org/ad/82-26-06): Windscreen Washer/Deicing System · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Dec 27, 1982
- [AD 81-22-03](https://openairdocs.org/ad/81-22-03): Elevator Torque Tube · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Nov 2, 1981
- [AD 69-05-01 R2](https://openairdocs.org/ad/69-05-01-R2): Control Column Sub-assembly Cracks · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Jul 7, 1980
- [AD 80-13-13](https://openairdocs.org/ad/80-13-13): Struts · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Jul 1, 1980
- [AD 80-03-08](https://openairdocs.org/ad/80-03-08): Flap Control Rod Tubes · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Feb 7, 1980
- [AD 79-14-01](https://openairdocs.org/ad/79-14-01): Elevator Control System · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Jul 6, 1979
- [AD 78-01-05](https://openairdocs.org/ad/78-01-05): Electrical Failure · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Feb 9, 1978
- [AD 76-13-06](https://openairdocs.org/ad/76-13-06): Lightning Protection · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Jul 6, 1976
- [AD 76-07-08](https://openairdocs.org/ad/76-07-08): Water Leakage-float Models · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Apr 12, 1976
- [AD 75-26-07](https://openairdocs.org/ad/75-26-07): Electrical Fire Hazards · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Dec 17, 1975
- [AD 75-24-15](https://openairdocs.org/ad/75-24-15): AC Power · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Nov 28, 1975
- [AD 75-12-10](https://openairdocs.org/ad/75-12-10): Autopilots · M7 Aerospace 60, 95-C55, 95-C55A and 17 more. Effective Jun 11, 1975
- [AD 75-08-02](https://openairdocs.org/ad/75-08-02): Aileron Control Cable · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Apr 7, 1975
- [AD 74-22-06](https://openairdocs.org/ad/74-22-06): Horizontal Stabilizer · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Oct 23, 1974
- [AD 74-08-11](https://openairdocs.org/ad/74-08-11): Side Seat Rail Attachment · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Apr 18, 1974
- [AD 73-19-01](https://openairdocs.org/ad/73-19-01): Prop Auto-feathering System · Viking Air DHC-6-100, DHC-6-200 and DHC-6-300 with STC SA2608WE. Effective Feb 18, 1974
- [AD 73-20-05](https://openairdocs.org/ad/73-20-05): Float To Fuselage Bolts · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Oct 3, 1973

Historical (superseded or no longer in force):

- [AD 2008-11-10](https://openairdocs.org/ad/2008-11-10) (historical): Wing front spar adapter assemblies · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Aug 5, 2008
- [AD 2008-03-01](https://openairdocs.org/ad/2008-03-01) (historical): Structural components · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Mar 6, 2008
- [AD 99-18-13](https://openairdocs.org/ad/99-18-13) (historical): Airplane Flight Manual (AFM) - Limitation Section - power levers · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Oct 8, 1999
- [AD 97-07-10](https://openairdocs.org/ad/97-07-10) (historical): Wing Struts · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective May 23, 1997
- [AD 89-24-06 R1](https://openairdocs.org/ad/89-24-06-R1) (historical): Elevator Quadrant · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Sep 13, 1990
- [AD 83-02-02](https://openairdocs.org/ad/83-02-02) (historical): Structural Components · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Feb 4, 1983
- [AD 80-13-12 R1](https://openairdocs.org/ad/80-13-12-R1) (historical): Longerons · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Jun 19, 1981
- [AD 80-13-10](https://openairdocs.org/ad/80-13-10) (historical): Y-Joint Main Landing Gear Legs · Viking Air DHC-6-1, DHC-6-100, DHC-6-200 and 1 more. Effective Jul 1, 1980

All 67: https://openairdocs.org/model/dehavilland-dhc-6-300/ads.md

## Registered aircraft (59, first 50)

- [N141Z](https://openairdocs.org/aircraft/N141Z): [Usda Forest Service](https://openairdocs.org/faa-owner/USDA%20FOREST%20SERVICE), [Boise, ID](https://openairdocs.org/faa-place/ID/Boise), built 1984, S/N 803
- [N142SA](https://openairdocs.org/aircraft/N142SA): [Monarch Enterprises Inc](https://openairdocs.org/faa-owner/MONARCH%20ENTERPRISES%20INC), [Kirkland, WA](https://openairdocs.org/faa-place/WA/Kirkland), built 1969, S/N 241
- [N143SA](https://openairdocs.org/aircraft/N143SA): [Twin Otter International Ltd](https://openairdocs.org/faa-owner/TWIN%20OTTER%20INTERNATIONAL%20LTD), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1978, S/N 591
- [N143Z](https://openairdocs.org/aircraft/N143Z): [Usda Forest Service Fire & Aviation](https://openairdocs.org/faa-owner/USDA%20FOREST%20SERVICE%20FIRE%20%26%20AVIATION), [Boise, ID](https://openairdocs.org/faa-place/ID/Boise), built 1974, S/N 437
- [N148SA](https://openairdocs.org/aircraft/N148SA): [Zuni LLC](https://openairdocs.org/faa-owner/ZUNI%20LLC), [Kirkland, WA](https://openairdocs.org/faa-place/WA/Kirkland), S/N 409
- [N167WC](https://openairdocs.org/aircraft/N167WC): [Washington Corporations Inc DBA](https://openairdocs.org/faa-owner/WASHINGTON%20CORPORATIONS%20INC%20DBA), [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula), S/N 343
- [N171GC](https://openairdocs.org/aircraft/N171GC): [Rigidworks LLC](https://openairdocs.org/faa-owner/RIGIDWORKS%20LLC), [Anaconda, MT](https://openairdocs.org/faa-place/MT/Anaconda), built 1974, S/N 406
- [N177GC](https://openairdocs.org/aircraft/N177GC): [Diamond Bar LLC](https://openairdocs.org/faa-owner/DIAMOND%20BAR%20LLC), [Kirkland, WA](https://openairdocs.org/faa-place/WA/Kirkland), built 1969, S/N 263
- [N178GC](https://openairdocs.org/aircraft/N178GC): [Rigidworks LLC](https://openairdocs.org/faa-owner/RIGIDWORKS%20LLC), [Anaconda, MT](https://openairdocs.org/faa-place/MT/Anaconda), built 1980, S/N 697
- [N189GC](https://openairdocs.org/aircraft/N189GC): [Cortez Fisher LLC](https://openairdocs.org/faa-owner/CORTEZ%20FISHER%20LLC), [Kirkland, WA](https://openairdocs.org/faa-place/WA/Kirkland), built 1981, S/N 772
- [N190GC](https://openairdocs.org/aircraft/N190GC): [Monarch Enterprises Inc](https://openairdocs.org/faa-owner/MONARCH%20ENTERPRISES%20INC), [Kirkland, WA](https://openairdocs.org/faa-place/WA/Kirkland), built 1970, S/N 285
- [N224SA](https://openairdocs.org/aircraft/N224SA): [Ikhana Aircraft Holdings LLC](https://openairdocs.org/faa-owner/IKHANA%20AIRCRAFT%20HOLDINGS%20LLC), [Murrieta, CA](https://openairdocs.org/faa-place/CA/Murrieta), built 1969, S/N 247
- [N225SA](https://openairdocs.org/aircraft/N225SA): [Twin Otter International Ltd](https://openairdocs.org/faa-owner/TWIN%20OTTER%20INTERNATIONAL%20LTD), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), S/N 686
- [N228SA](https://openairdocs.org/aircraft/N228SA): [Monarch Enterprises Inc](https://openairdocs.org/faa-owner/MONARCH%20ENTERPRISES%20INC), [Kirkland, WA](https://openairdocs.org/faa-place/WA/Kirkland), built 1969, S/N 253
- [N229SA](https://openairdocs.org/aircraft/N229SA): [Twin Otter International Ltd](https://openairdocs.org/faa-owner/TWIN%20OTTER%20INTERNATIONAL%20LTD), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), S/N 468
- [N241SA](https://openairdocs.org/aircraft/N241SA): [Diamond Bar LLC](https://openairdocs.org/faa-owner/DIAMOND%20BAR%20LLC), [Kirkland, WA](https://openairdocs.org/faa-place/WA/Kirkland), built 1977, S/N 556
- [N344CS](https://openairdocs.org/aircraft/N344CS): [Transport Company LLC](https://openairdocs.org/faa-owner/TRANSPORT%20COMPANY%20LLC), [Colorado Springs, CO](https://openairdocs.org/faa-place/CO/Colorado%20Springs), built 1971, S/N 334
- [N359AR](https://openairdocs.org/aircraft/N359AR): [Twin Otter International Ltd](https://openairdocs.org/faa-owner/TWIN%20OTTER%20INTERNATIONAL%20LTD), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1973, S/N 359
- [N365AR](https://openairdocs.org/aircraft/N365AR): [Twin Otter International Ltd](https://openairdocs.org/faa-owner/TWIN%20OTTER%20INTERNATIONAL%20LTD), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1973, S/N 365
- [N368SS](https://openairdocs.org/aircraft/N368SS): [Sierra Aviation Holdings LLC](https://openairdocs.org/faa-owner/SIERRA%20AVIATION%20HOLDINGS%20LLC), [Colorado Springs, CO](https://openairdocs.org/faa-place/CO/Colorado%20Springs), S/N 368
- [N403ML](https://openairdocs.org/aircraft/N403ML): [Dhc6-403 Equity LLC](https://openairdocs.org/faa-owner/DHC6-403%20EQUITY%20LLC), [Palm Beach, FL](https://openairdocs.org/faa-place/FL/Palm%20Beach), built 1974, S/N 403
- [N418AV](https://openairdocs.org/aircraft/N418AV): [Wells Fargo Trust Co Na Trustee](https://openairdocs.org/faa-owner/WELLS%20FARGO%20TRUST%20CO%20NA%20TRUSTEE), [Columbia, MD](https://openairdocs.org/faa-place/MD/Columbia), built 1977, S/N 521
- [N434AR](https://openairdocs.org/aircraft/N434AR): [Twin Otter Support Services LLC](https://openairdocs.org/faa-owner/TWIN%20OTTER%20SUPPORT%20SERVICES%20LLC), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1974, S/N 432
- [N450PP](https://openairdocs.org/aircraft/N450PP): [J R S Sky Inc](https://openairdocs.org/faa-owner/J%20R%20S%20SKY%20INC), [Pound Ridge, NY](https://openairdocs.org/faa-place/NY/Pound%20Ridge), built 1975, S/N 450
- [N46RF](https://openairdocs.org/aircraft/N46RF): [United States Department Of Commerce](https://openairdocs.org/faa-owner/UNITED%20STATES%20DEPARTMENT%20OF%20COMMERCE), [Lakeland, FL](https://openairdocs.org/faa-place/FL/Lakeland), built 1985, S/N 824
- [N48RF](https://openairdocs.org/aircraft/N48RF): [United States Department Of Commerce](https://openairdocs.org/faa-owner/UNITED%20STATES%20DEPARTMENT%20OF%20COMMERCE), [Lakeland, FL](https://openairdocs.org/faa-place/FL/Lakeland), built 1981, S/N 740
- [N49SJ](https://openairdocs.org/aircraft/N49SJ): [United States Department Of Interior](https://openairdocs.org/faa-owner/UNITED%20STATES%20DEPARTMENT%20OF%20INTERIOR), [Boise, ID](https://openairdocs.org/faa-place/ID/Boise), built 1974, S/N 423
- [N504WJ](https://openairdocs.org/aircraft/N504WJ): [Vantage Air Corp](https://openairdocs.org/faa-owner/VANTAGE%20AIR%20CORP), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), built 1976, S/N 503
- [N511DH](https://openairdocs.org/aircraft/N511DH): [Landlocked Company LLC](https://openairdocs.org/faa-owner/LANDLOCKED%20COMPANY%20LLC), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), S/N 511
- [N515AR](https://openairdocs.org/aircraft/N515AR): [Twin Otter International Ltd](https://openairdocs.org/faa-owner/TWIN%20OTTER%20INTERNATIONAL%20LTD), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1976, S/N 515
- [N537AR](https://openairdocs.org/aircraft/N537AR): [Avro Ltd](https://openairdocs.org/faa-owner/AVRO%20LTD), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1977, S/N 537
- [N562CP](https://openairdocs.org/aircraft/N562CP): [Vantage Air Corp](https://openairdocs.org/faa-owner/VANTAGE%20AIR%20CORP), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), built 1977, S/N 562
- [N56RF](https://openairdocs.org/aircraft/N56RF): [United States Department Of Commerce](https://openairdocs.org/faa-owner/UNITED%20STATES%20DEPARTMENT%20OF%20COMMERCE), [Lakeland, FL](https://openairdocs.org/faa-place/FL/Lakeland), built 1982, S/N 788
- [N576LL](https://openairdocs.org/aircraft/N576LL): [Landlocked Company LLC](https://openairdocs.org/faa-owner/LANDLOCKED%20COMPANY%20LLC), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), S/N 576
- [N57RF](https://openairdocs.org/aircraft/N57RF): [United States Department Of Commerce](https://openairdocs.org/faa-owner/UNITED%20STATES%20DEPARTMENT%20OF%20COMMERCE), [Lakeland, FL](https://openairdocs.org/faa-place/FL/Lakeland), built 1981, S/N 688
- [N60619](https://openairdocs.org/aircraft/N60619): [Ssc International Inc](https://openairdocs.org/faa-owner/SSC%20INTERNATIONAL%20INC), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), S/N 210
- [N614AR](https://openairdocs.org/aircraft/N614AR): [Twin Otter International Ltd](https://openairdocs.org/faa-owner/TWIN%20OTTER%20INTERNATIONAL%20LTD), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1979, S/N 614
- [N615AR](https://openairdocs.org/aircraft/N615AR): [Twin Otter International Ltd](https://openairdocs.org/faa-owner/TWIN%20OTTER%20INTERNATIONAL%20LTD), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1979, S/N 615
- [N633AR](https://openairdocs.org/aircraft/N633AR): [Twin Otter Support Services LLC](https://openairdocs.org/faa-owner/TWIN%20OTTER%20SUPPORT%20SERVICES%20LLC), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1979, S/N 633
- [N660FM](https://openairdocs.org/aircraft/N660FM): [Aviation Management Sales LLC](https://openairdocs.org/faa-owner/AVIATION%20MANAGEMENT%20SALES%20LLC), [Fort Pierce, FL](https://openairdocs.org/faa-place/FL/Fort%20Pierce), S/N 484
- [N660FY](https://openairdocs.org/aircraft/N660FY): [Aviation Management Sales LLC](https://openairdocs.org/faa-owner/AVIATION%20MANAGEMENT%20SALES%20LLC), [Fort Pierce, FL](https://openairdocs.org/faa-place/FL/Fort%20Pierce), S/N 383
- [N662AV](https://openairdocs.org/aircraft/N662AV): [Berry Aviation Inc](https://openairdocs.org/faa-owner/BERRY%20AVIATION%20INC), [San Marcos, TX](https://openairdocs.org/faa-place/TX/San%20Marcos), built 1980, S/N 662
- [N675BA](https://openairdocs.org/aircraft/N675BA): [Berry Aviation Inc](https://openairdocs.org/faa-owner/BERRY%20AVIATION%20INC), [San Marcos, TX](https://openairdocs.org/faa-place/TX/San%20Marcos), built 1980, S/N 675
- [N692AR](https://openairdocs.org/aircraft/N692AR): [N692ar LLC](https://openairdocs.org/faa-owner/N692AR%20LLC), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), built 1980, S/N 692
- [N708PV](https://openairdocs.org/aircraft/N708PV): [Pm Leasing Inc](https://openairdocs.org/faa-owner/PM%20LEASING%20INC), [Perris, CA](https://openairdocs.org/faa-place/CA/Perris), built 1976, S/N 489
- [N723AR](https://openairdocs.org/aircraft/N723AR): [Twin Otter International Ltd](https://openairdocs.org/faa-owner/TWIN%20OTTER%20INTERNATIONAL%20LTD), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1980, S/N 723
- [N743LL](https://openairdocs.org/aircraft/N743LL): [Landlocked Company LLC](https://openairdocs.org/faa-owner/LANDLOCKED%20COMPANY%20LLC), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), S/N 743
- [N74GC](https://openairdocs.org/aircraft/N74GC): [Diamond Bar LLC](https://openairdocs.org/faa-owner/DIAMOND%20BAR%20LLC), [Kirkland, WA](https://openairdocs.org/faa-place/WA/Kirkland), built 1977, S/N 559
- [N807US](https://openairdocs.org/aircraft/N807US): [Miami, FL](https://openairdocs.org/faa-place/FL/Miami), S/N 807, Registration pending
- [N808RT](https://openairdocs.org/aircraft/N808RT): [Ikhana Aircraft Holdings LLC](https://openairdocs.org/faa-owner/IKHANA%20AIRCRAFT%20HOLDINGS%20LLC), [Murrieta, CA](https://openairdocs.org/faa-place/CA/Murrieta), built 1976, S/N 499

All 59: https://openairdocs.org/model/dehavilland-dhc-6-300/aircraft.md

## NTSB investigations (29)

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 WPR25LA250](https://openairdocs.org/ntsb/WPR25LA250), Aug 11, 2025: De Havilland DHC-6-300 (N344CS), San Celmente, CA, substantial damage, investigation ongoing
- [NTSB WPR25LA248](https://openairdocs.org/ntsb/WPR25LA248), Aug 9, 2025: De Havilland DHC-6-300 (N189GC), Whitmore, AZ, substantial damage, investigation ongoing
- [NTSB WPR25LA152](https://openairdocs.org/ntsb/WPR25LA152), May 6, 2025: Dehavilland DHC-6-300 (N142SA), Boulder City, NV, substantial damage, investigation ongoing
- [NTSB WPR25LA038](https://openairdocs.org/ntsb/WPR25LA038), Nov 15, 2024: Dehavilland DHC-6-300 (N241SA), Boulder City, NV, substantial damage. Probable cause: A loss of directional control during the landing roll in gusting crosswind conditions.
- [NTSB WPR20CA112](https://openairdocs.org/ntsb/WPR20CA112), Mar 6, 2020: De Havilland DHC6 (N72GC), Boulder City, NV, substantial damage. Probable cause: The trainee pilot's loss of directional control during landing and his subsequent unintentional control interference with the brakes and/or rudder during the trainer pilot's attempted remedial…
- [NTSB CEN19LA267](https://openairdocs.org/ntsb/CEN19LA267), Aug 15, 2019: De Havilland DHC6 (N322AV), San Marcos, TX, substantial damage. Probable cause: The pilot's delayed go-around attempt and the flight instructor's delayed remedial action that resulted in a nose-down impact with terrain during an attempted go-around.
- [NTSB ANC18LA027](https://openairdocs.org/ntsb/ANC18LA027), Mar 21, 2018: Dehavilland DHC 6 Twin Otter (N716JP), Arctic Ocean, substantial damage. Probable cause: The flight crew's improper decision to deliberately operate the airplane at low altitude and along a flightpath that resulted in a collision with a pedestrian after takeoff. Contributing to the…
- [NTSB GAA17CA303](https://openairdocs.org/ntsb/GAA17CA303), May 24, 2017: Dehavilland DHC 6 (N708PV), Perris, CA, substantial damage. Probable cause: The prospective pilot’s improper landing flare and the pilot’s delayed remedial action to initiate a go-around, which resulted in a runway excursion.
- [NTSB WPR14LA313](https://openairdocs.org/ntsb/WPR14LA313), Jul 25, 2014: Dehavilland DHC 6 300 (N190GC), Boulder City, NV, minor damage. Probable cause: The airplane flight crew’s failure to exercise the necessary vigilance and precautions and yield the right of way to the landing helicopter, which resulted in the airplane colliding with the…
- [NTSB ENG11IA032](https://openairdocs.org/ntsb/ENG11IA032), May 21, 2011: Dehavilland DHC-6-300 (N178GC), Peach Springs, AZ, incident, no damage. Probable cause: A quality control failure in the Sungear, Inc. manufacturing and quality control process allowed sungears with surface finishes of the root fillet radius of the spline that did not conform to the…
- [NTSB ANC03LA043](https://openairdocs.org/ntsb/ANC03LA043), Apr 10, 2003: de Havilland DHC-6 (N886EA), Anchorage, AK, substantial damage. Probable cause: The failure of the captain to maintain adequate clearance between the airplane's wingtip and a parked vehicle. A factor contributing to the accident was the failure of ground personnel to utilize a…
- [NTSB ANC02LA053](https://openairdocs.org/ntsb/ANC02LA053), Jun 20, 2002: de Havilland DHC-6-300 (N353PM), Ketchikan, AK, substantial damage. Probable cause: The failure of a ground handler to follow company proceedure/directives, and his premature release of a mooring line. Factors associated with the accident were the congested operations area, and the…
- [NTSB SEA01TA083](https://openairdocs.org/ntsb/SEA01TA083), May 1, 2001: de Havilland DHC-6-300 (N49SJ), Star, ID, substantial damage. Probable cause: Fatigue failure of the nose wheel steering cable during the landing roll. Rough/uneven terrain was a factor.
- [NTSB DEN00FA085](https://openairdocs.org/ntsb/DEN00FA085), May 5, 2000: de Havilland DHC-6-300 (N241SA), Monument Valley, UT, substantial damage. Probable cause: The pilot-in-command's failure to maintain directional control. A factor was wind shear.
- [NTSB ANC99LA107](https://openairdocs.org/ntsb/ANC99LA107), Aug 7, 1999: de Havilland DHC-6-300 (N288SA), Ketchikan, AK, substantial damage. Probable cause: A failure of ground handling personnel to verify a release procedure/directive, and removal of the airplane's tiedown, and subsequent collision with a parked airplane.
- [NTSB ANC99LA107](https://openairdocs.org/ntsb/ANC99LA107), Aug 7, 1999: de Havilland DHC-6-300 (N224SA), Ketchikan, AK, minor damage. Probable cause: A failure of ground handling personnel to verify a release procedure/directive, and removal of the airplane's tiedown, and subsequent collision with a parked airplane.
- [NTSB ANC99LA064](https://openairdocs.org/ntsb/ANC99LA064), May 25, 1999: de Havilland DHC-6-300 (N72GC), Anchorage, AK, substantial damage. Probable cause: An in-flight collision with a bird.
- [NTSB LAX97LA250](https://openairdocs.org/ntsb/LAX97LA250), Jul 21, 1997: de Havilland DHC-6-300 (N776BF), Elko, NV, substantial damage. Probable cause: The failure of maintenance personnel to correctly diagnose and correct a reoccurring nose gear steering problem, and the improperly tensioned nose wheel steering actuator cables which provided the…
- [NTSB LAX97LA157](https://openairdocs.org/ntsb/LAX97LA157), Apr 13, 1997: de Havilland DHC-6-300 (N242CA), Hilo, HI, destroyed. Probable cause: the pilot's inadequate en route fuel consumption calculations, which led to his failure to recognize a deteriorating fuel duration versus time-to-go situation in a more timely way.
- [NTSB MIA96WA110](https://openairdocs.org/ntsb/MIA96WA110), Apr 7, 1996: de Havilland DH6 (N143SA), Virgin Gorda, British Virgin Islands, substantial damage
- [NTSB SEA94T#A04](https://openairdocs.org/ntsb/SEA94T%23A04), Aug 22, 1994: de Havilland DHC-6-300 (N141Z), Mccall, ID, substantial damage
- [NTSB ANC92LA010](https://openairdocs.org/ntsb/ANC92LA010), Oct 26, 1991: De Havilland DHC-6 (N724CA), Chevak, AK, substantial damage. Probable cause: THE HIGH CROSSWIND CONDITION, THE PILOT IN COMMANDS INABILITY TO COMPENSATE FOR THE WIND CONDITIONS, AND HIS FAILURE TO FOLLOW COMPANY PROCEDURES AND THE PROCEDURES RECOMMENDED IN THE AIRCRAFT FLIGHT…
- [NTSB DEN91LA082](https://openairdocs.org/ntsb/DEN91LA082), Jun 12, 1991: Boeing DHC-6-300 (N242CA), Denver, CO, substantial damage. Probable cause: THE PILOT'S FAILURE TO PERFORM AN ADEQUATE PREFLIGHT, I.E., NOT FOLLOWING THE CHECK LIST AND THE NORMAL BRAKE SYSTEM WAS INOPERATIVE AS A RESULT OF NO HYDRAULIC SYSTEM PRESSURE (HYDRAULIC SYSTEM…
- [NTSB LAX87LA250](https://openairdocs.org/ntsb/LAX87LA250), Jun 29, 1987: de Havilland DHC-6-300 (N74GC), Grand Canyon, AZ, substantial damage
- [NTSB LAX87IA176](https://openairdocs.org/ntsb/LAX87IA176), Apr 11, 1987: de Havilland DHC-6-300 (N96RA), Agana (Pacific Ocean), incident, no damage
- [NTSB FTW84IA412](https://openairdocs.org/ntsb/FTW84IA412), Sep 29, 1984: de Havilland DHC-6-300 (N914MA), Houston, TX, incident, minor damage
- [NTSB LAX84FA415](https://openairdocs.org/ntsb/LAX84FA415), Jul 21, 1984: de Havilland DHC-6-300 (N43SP), Tau, Antarctica, substantial damage, 1 fatal
- [NTSB FTW80DA120](https://openairdocs.org/ntsb/FTW80DA120), Sep 21, 1980: Dehavilland DHC-6 (N46RA), Wichita Falls, TX, substantial damage
- [NTSB LAX80DA011](https://openairdocs.org/ntsb/LAX80DA011), Nov 5, 1979: Dehavilland DHC-6 (N23BC), Tau, Antarctica, destroyed

## FAA accident and incident reports (66, newest 50)

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.

- [Incident 20260430009649I](https://openairdocs.org/incident/20260430009649I), Apr 30, 2026: Dehavilland DHC-6-300 (N190GC), Tusayan, AZ, No damage. On April 30, 2026, at 2142Z (14:42 MST local), a de-havilland DHC-6-300, was involved in a runway excursion event at Grand Canyon National park airport (kgcn),…
- [Incident 20260414003069I](https://openairdocs.org/incident/20260414003069I), Apr 14, 2026: Dehavilland DHC-6-300 (N74GC), Page, AZ, Minor damage. On April 14, 2026, at 14:39 mountain standard time (MST), a Dehavilland DHC-6-300 experienced a loss of directional control that resulted in a runway excursion…
- [Incident 20260309010822I](https://openairdocs.org/incident/20260309010822I), Mar 9, 2026: Dehavilland DHC-6-300 (N57RF), Hyannis, MA, Minor damage. On March 9, 2026, [privacy data omitted], a DHC-6-300, was on the atlantic aviation ramp at cape cod gateway airport (khya) when the aircraft began taxiing out…
- [Accident 20250811011519A](https://openairdocs.org/incident/20250811011519A), Aug 11, 2025: Dehavilland DHC-6-300 (N344CS), San Clemente Is, CA, Substantial damage. Both left and right propellers were installed after overhaul, the low pitch blade angles were adjusted and the beta rods jam nuts were safety wired in error.…
- [Accident 20250809011609A](https://openairdocs.org/incident/20250809011609A), Aug 9, 2025: Dehavilland DHC-6-300 (N189GC), Whitmore, AZ, Substantial damage. On August 9, 2025, about 1240 pacific daylight time, a de havilland DHC-6-300, was substantially damaged when it was involved in an accident near Whitmore,…
- [Accident 20250506004949A](https://openairdocs.org/incident/20250506004949A), May 6, 2025: Dehavilland DHC-6-300 (N142SA), Boulder City, NV, Substantial damage. On may 6, 2025, at approximately 2140Z/14:50 mountain standard time (MST), a Dehavilland DHC-6-300, operated under 14 code of federal regulations part 135…
- [Incident 20241213019219I](https://openairdocs.org/incident/20241213019219I), Dec 13, 2024: Dehavilland DHC-6-300 (N173GC), South Burlingto, VT, Minor damage. On 12/13/2024 at approximately 0933EST, a 1970 Dehavilland DHC-6-300, being operated by [privacy data omitted], a 14 CFR part 135 certficate holder operating a…
- [Accident 20241115019979A](https://openairdocs.org/incident/20241115019979A), Nov 15, 2024: Dehavilland DHC-6-300 (N241SA), Boulder City, NV, Substantial damage. On November 15, 2024, at 09:15 pacific standard time (PST), a Dehavilland DHC-6-300, experienced a loss of directional control that resulted in a runway…
- [Incident 20241007013539I](https://openairdocs.org/incident/20241007013539I), Oct 7, 2024: Dehavilland DHC-6-300 (N70AR), Tulsa, OK, Minor damage. At approximately 1900 local time on October 7, 2024, a Dehavilland DHC-6-300 landed at Tulsa Riverside (krvs) runway 1L. During roll-out, the pilot engaged…
- [Accident 20200306001489A](https://openairdocs.org/incident/20200306001489A), Mar 6, 2020: Dehavilland DHC-6-300 (N72GC), Boulder City, NV, Substantial damage. On March 6, 2020, at approximately 11:15 local time, N72GC landed on runway 27 at the Boulder City airport (bvu) during a training flight. A pilot under the…
- [Incident 20190910024139I](https://openairdocs.org/incident/20190910024139I), Sep 10, 2019: Dehavilland DHC-6-300 (N708PV), Perris, CA, No damage, 1 fatal. A single fatal parachute incident occurred involving a 29 year old male active duty member of the U.S. Air force (USAF), during a routine military proficiency…
- [Accident 20190815017749A](https://openairdocs.org/incident/20190815017749A), Aug 15, 2019: Dehavilland DHC-6-300 (N322AV), San Marcos, TX, Substantial damage. During an aborted landing the flying pilot mismanaged the controls and lowered the angle of attack to where the aircraft stuck the ground at a steep angle
- [Accident 20180320009749A](https://openairdocs.org/incident/20180320009749A), Mar 20, 2018: Dehavilland DHC-6 TWIN OTTER (N716JP), Deadhorse, AK, Substantial damage. At approximately 1945 on March 20, 2018 a part 135 flight with three passengers onboard departed a remote ice strip approximately 140 miles north of prudhoe…
- [Accident 20170820011679A](https://openairdocs.org/incident/20170820011679A), Aug 20, 2017: Dehavilland DHC-6-300 (N300DZ), San Diego, CA, Substantial damage. After departing John Nichol'S Field(0CL3), the airman thought he experienced a bird strike. The airman notified ATC and diverted to the nearest airport which…
- [Accident 20170524015139A](https://openairdocs.org/incident/20170524015139A), May 24, 2017: Dehavilland DHC-6-300 (N708PV), Perris, CA, Substantial damage. On 05/25/2017 at 15:15 PST, a Dehavilland DH-6-300 aircraft operated by Perris valley skydiving. The accident occurred just as the pilot was starting to flare…
- [Incident 20170524006629I](https://openairdocs.org/incident/20170524006629I), May 24, 2017: Dehavilland DHC-6-300 (N189GC), Grand Canyon, AZ, Minor damage. After interviews and visual inspection of the tire markings made by the aircraft during the excursion, it is evident that the aircraft departed the runway due…
- [Accident 20140725016512A](https://openairdocs.org/incident/20140725016512A), Jul 25, 2014: Dehavilland DHC-6-300 (N190GC), Boulder City, NV, Substantial damage. On 07/25/14 at approximately 1643 PDT, an American Eurocopter AS-350 B4 EC-130 helicopter was struck from behind by a Dehavilland DHC-6 twin otter airplane at…
- [Incident 20121027023439I](https://openairdocs.org/incident/20121027023439I), Oct 27, 2012: Dehavilland DHC-6 TWIN OTTER (N716JP), Wainwright, AK, No damage. The operator was conducting survey operations which require the aircraft to be flown at a specfic speed and altitude. The pilot was in the process of slowing…
- [Incident 20120701012959I](https://openairdocs.org/incident/20120701012959I), Jul 1, 2012: Dehavilland DHC-6-300 (N171GC), Del Rio, TX, No damage. Received a call from the regional com center at 0700 hours. A Dehavilland DHC-6-3, N171GC made an emergency landing at Laughlin Afb. Reported loss of power on…
- [Incident 20111227029399I](https://openairdocs.org/incident/20111227029399I), Dec 27, 2011: Dehavilland DHC-6-300 (N708PV), Perris, CA, No damage, 1 fatal. A skydiver was fatally injured after impacting a pond while in a horizontal position under an open parachute.
- [Incident 20110521010689I](https://openairdocs.org/incident/20110521010689I), May 21, 2011: Dehavilland DHC-6-300 (N178GC), Minor damage. N178GC was in cruise flight on an air tour of the Grand Canyon when the flight crew reported hearing a loud squealing noise coming from the left engine,…
- [Incident 20110521010679I](https://openairdocs.org/incident/20110521010679I), May 21, 2011: Dehavilland DHC-6-300 (N142SA), Boulder City, NV, No damage. On 05/21/2011, the right engine on N142SA, a DHC-6-300, serial number 241 failed during cruise flight. The flight crew shut down the right engine and and made…
- [Incident 20100104025749I](https://openairdocs.org/incident/20100104025749I), Jan 4, 2010: Dhc-6 300 (N189GC), San Juan, PR, No damage. On January 04, 2010, captain clifford and first officer hackler were assigned flight #1337, in aircraft N189GC, from stx, st. croix to sig, isla grande…
- [Incident 20060910021669I](https://openairdocs.org/incident/20060910021669I), Sep 10, 2006: Dhav DHC6300 (N204SA), Cross Keys, NJ, 2 fatal. (-23) The pilot was asked by the last tandem jumper to make a second pass over the jump zone because he needed more time. The pilot complied, the jumper left…
- [Incident 20050911023629I](https://openairdocs.org/incident/20050911023629I), Sep 11, 2005: Dhav DHC6300 (N241SA), Las Vegas, NV, Minor damage. (-23) On September 11, 2005 at approimately 1243 PDT, this de havilland twin otter, being operated on a scheduled air carrier flight, exited the runway on…
- [Incident 20030926024659I](https://openairdocs.org/incident/20030926024659I), Sep 26, 2003: Dhav DHC6300 (N708PV), Perris, CA, 1 fatal. (-23) [privacy data omitted] was a "d" licensed parachutist, uspa #37837 exp. 2-29-04, license #D-13328, with 1700 hours and 20 years experience. [privacy data…
- [Accident 20030410007269A](https://openairdocs.org/incident/20030410007269A), Apr 10, 2003: Dhav DHC6300 (N886EA), Anchorage, AK, Substantial damage. (-23) While the aircraft was being marshalled into a parking spot in the L-2 gate area at ted stevens Anchorage International Airport, Anchorage, Alaska. The…
- [Incident 20020824036849I](https://openairdocs.org/incident/20020824036849I), Aug 24, 2002: Dhav DHC6300 (N204SA), Williamstown, NJ. (-23) Aircraft is used to haul skydivers. As aircraft was flying on jump run, door was dislodged by jumper. The hinges on the top of the door failed and door…
- [Accident 20020619016809A](https://openairdocs.org/incident/20020619016809A), Jun 19, 2002: Dhav DHC6300 (N353PM), Ketchikan, AK, No damage. (-23) N353PM was tied to the dock behind N235SA. Both aircraft were loaded with passengers, preparing for a flightseeing tour. N353PM'S engines were running.…
- [Incident 20020527019169I](https://openairdocs.org/incident/20020527019169I), May 27, 2002: Dhav DHC6300 (N204SA), Williamstown, NJ, 1 fatal. (-23) Mr. Seth karp (jumper on 05/27/02) died on 05/28/02 as a result of a parachute accident. Mr. Karp held a class "c" license and was a competition jumper.…
- [Accident 20010501008039A](https://openairdocs.org/incident/20010501008039A), May 1, 2001: Dhav DHC6300 (N49SJ), Star, IA, No damage. (-23)May 1, 2001, approximately 1030 MDT a Dehavilland DHC-6-300, N49SJ, registered to and operated by the department of interior as a public use aircraft was…
- [Incident 20001108028059I](https://openairdocs.org/incident/20001108028059I), Nov 8, 2000: Dhav DHC6300 (N173GC), Grand Canyon, AZ, Minor damage. (-23) The a/c was taxiing to the end of the parking row. There was a portable deicing tower at the end of the parking row. As the captain was guided into…
- [Incident 20000914027359I](https://openairdocs.org/incident/20000914027359I), Sep 14, 2000: Dhav DHC6300 (N173GC), Las Vegas, NV, Minor damage. (-23)While taxing between two rows of parked aircraft, the left wing passed over a parked seneca ii's rudder but the left flap hinge, which extends…
- [Accident 20000505006739A](https://openairdocs.org/incident/20000505006739A), May 5, 2000: Dhav DHC6300 (N241SA), Monument Valley, UT, Substantial damage. (-23) During takeoff on runway 34 at 25 knots, the aircraft was hit by strong wind gusts. Winds were from 210 to 250 degrees gusting to 15 knots amplified by…
- [Accident 19990807041892A](https://openairdocs.org/incident/19990807041892A), Aug 7, 1999: Dhav DHC6300 (N288SA), Ketchikan, AK, Substantial damage. Seaborne aviation air taxi (float plane) was parked at the dock when it was struck by N224SA, another seaborne aviation DH6 air taxi (float plane), which was…
- [Accident 19990807041891A](https://openairdocs.org/incident/19990807041891A), Aug 7, 1999: Dhav DHC6300 (N224SA), Ketchikan, AK, Minor damage. (.4)A pair of float equipped, twin engine airplanes were each parked parallel to a dock. The airplanes were separated by about eight feet, one in front of the…
- [Accident 19990525021539A](https://openairdocs.org/incident/19990525021539A), May 25, 1999: Dhav DHC6300 (N72GC), Anchorage, AK, Substantial damage. On may 25, 1999, about 0005 Alaska daylight time, a Dehavilland DHC-6-300 airplane, N72GC, sustained substantial damage during the downwind portion of the…
- [Accident 19970721045189A](https://openairdocs.org/incident/19970721045189A), Jul 21, 1997: Dhav DHC6300 (N776BF), Elko, NV, Substantial damage. Veered sharply to left landing. Left runway. Snapped off nose gear. Loose actuator cables allowed wheel not centered.
- [Accident 19970413005799A](https://openairdocs.org/incident/19970413005799A), Apr 13, 1997: Dhav DHC6300 (N242CA), Hilo, HI, Destroyed. Misjudged head winds on ocean ferry flight. Became low fuel status. Ditched 63 mi short destination Hilo hi.
- [Accident 19960407006099A](https://openairdocs.org/incident/19960407006099A), Apr 7, 1996: Dhav DHC6300 (N143SA), Virgin Gorda, VI, Substantial damage. Crashed on takeoff. (.19)on April 7, 1996, about 0600 atlantic standard time, N143SA, a Dehavilland DH6, operated by dolphin express airlines crashed on…
- [Accident 19940822022589A](https://openairdocs.org/incident/19940822022589A), Aug 22, 1994: Dhav DHC6300 (N141Z), Mccall, ID, Destroyed. Went off left side of runway right after touchdown. (.19) see attached copy of NTSB form 6120.1/2 as required by pl 100- 223. "Investigated by" data block was…
- [Incident 19920330011302I](https://openairdocs.org/incident/19920330011302I), Mar 30, 1992: Dhav DHC6300 (N701PV), Honolulu, HI, Minor damage. Maintenance person allowed aircraft to drift forward and strike the wing of a passing aircraft.
- [Incident 19920330011301I](https://openairdocs.org/incident/19920330011301I), Mar 30, 1992: Dhav DHC6300 (N710PV), Honolulu, HI, Minor damage. Maintenance person taxiing aircraft to park was struck by another aircraft which moved forward from parking stall.
- [Accident 19911026048059A](https://openairdocs.org/incident/19911026048059A), Oct 26, 1991: Dhav DHC6300 (N724CA), Chevak, AK, Substantial damage. Weather vaned into severe crosswind on liftoff. Slewed right. Wing hit. Cartwheeled. Right prop feathered. Flaps 20
- [Accident 19910612021359A](https://openairdocs.org/incident/19910612021359A), Jun 12, 1991: Dhav DHC6300 (N242CA), Denver, CO, Substantial damage. Overlooked hydraulic circuit braker and parking brake on start up. No brake pressure ran into company aircraft.
- [Incident 19901109057029I](https://openairdocs.org/incident/19901109057029I), Nov 9, 1990: Dhav DHC6300 (N7138K), Atlantic City, NJ. Passenger interfered with flight crew while flying. Restrained by co-pilot and male passenger. Arrested by police.
- [Incident 19901002049579I](https://openairdocs.org/incident/19901002049579I), Oct 2, 1990: Dhav DHC6300 (N555WJ), Monterey, CA, Minor damage. NR2 engine oil pressure dropped. Engine failure and fire. Used fire bottles and landed. Parts penetrated cabin.
- [Incident 19900713025539I](https://openairdocs.org/incident/19900713025539I), Jul 13, 1990: Dhav DHC6300 (N146SA), Las Vegas, NV, Minor damage. Lost directional control on landing rollout. Veered off runway into a dirt area.
- [Incident 19890303022889I](https://openairdocs.org/incident/19890303022889I), Mar 3, 1989: Dhav DHC6300 (N241SA), Las Vegas, NV, Minor damage. On landing rollout a gust turned aircraft toward a ditch, crossed it and hit cargo trailer. Minor damage.
- [Accident 19870629032429A](https://openairdocs.org/incident/19870629032429A), Jun 29, 1987: Dhav DHC6300 (N74GC), Grand Canyon, AZ, Substantial damage. Wing tip struck boom on a backhoe during taxi for takeoff. Backhoe parked too near taxiway area. No tower caution.

All 66: https://openairdocs.org/model/dehavilland-dhc-6-300/incidents.md

## Service difficulty reports (655, newest 50)

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

- [SDR 2026F00209](https://openairdocs.org/sdr/2026F00209), Sep 16, 2026: FUEL LINE. KINKED. FWD FUEL FLOW FLUCTUATING DURING TAKE OFF ROLL, ABORTED TAKE OFF AND RETURNED TO GATE.
- [SDR HKGA20260602001](https://openairdocs.org/sdr/HKGA20260602001), Jun 2, 2026: CAP. LOOSE. HYDRAULIC PUMP CIRCUIT BREAKER POPPED IN FLIGHT AND MAIN SYSTEM WOULD NOT HOLD PRESSURE. CREW DECLARED AN EMERGENCY AND SAFELY LANDED AT KHYI. MAINTENANCE FOUND
- [SDR S9BA2025121500004](https://openairdocs.org/sdr/S9BA2025121500004), Dec 12, 2025: GASKET. BURNED. FLT/CREW REPORTED - UPON SETTING CRUISE POWER APPROX. 3 MINUTES AFTER ON FLIGHT # BB - 186 SPB / SSB " FIRE WARNING R ENGINE WITH NO EVIDENCE OF FIRE. THIS A RE
- [SDR S9BA202512080003](https://openairdocs.org/sdr/S9BA202512080003), Dec 4, 2025: FIRE DETECTOR. OUT OF TOLERANCE. FLT/CREW REPORTED - UPON LEVELING OUT ON FLIGHT NR BB-136 SSP / SSB RT ENGINE FIRE WARNING LIGHT CAME ON WITH AURAL FIRE BELL WARNING CAME ON ALSO. POWER LEVER 
- [SDR S9BA202503110001](https://openairdocs.org/sdr/S9BA202503110001), Mar 7, 2025: SWITCH. LOOSE. 03/07/2025 CREW REPORTED:'AILERON ACT. TRIM CB POPPED IN FLIGHT ELECTRICAL BURNING SMELL." MAINTENANCE INSPECTED DEFERRED THIS ITEM AS PER MEL 27-2. MAINTENANCE
- [SDR 2025FA0000005](https://openairdocs.org/sdr/2025FA0000005), Dec 23, 2024: CONTROL CABLE. DAMAGED. UPON VISUAL INSPECTION OF PITCH SERVO AREA IT WAS NOTED THAT THERE APPEARS TO BE ELEVATOR CABLE DAMAGE ON THE CAPSTAN COVER OF THE PITCH SERVO. DAMAGE ON ONE OF
- [SDR S9BA20240005](https://openairdocs.org/sdr/S9BA20240005), Oct 16, 2024: DOUBLER. CORRODED. CORROSION FOUND BEYOND MFR LIMITS ON LH WING WS310.O FORE FLAP HINGE SKIN DOUBLERS. FOLLOWING PART NUMBERS WERE REMOVED AND REPLACED IAW DHC SRM. 969401-7 AND 9
- [SDR S9BA20240004](https://openairdocs.org/sdr/S9BA20240004), Oct 16, 2024: STRINGER. CORRODED. CORROSION BEYOND MFR LIMITS ON STRINGERS AND INTERCOSTALS BETWEEN FS262 AND FS288 BETWEEN WL -4.68 AND -10.28. FOLLOWING PART NUMBERS WERE REMOVED AND REPLACED 
- [SDR S9BA2024060403](https://openairdocs.org/sdr/S9BA2024060403), May 31, 2024: MOUNT FITTING. BROKEN. CREW REPORTED; WHEN RIGHT FUEL LEVER SELECTED OFF, RIGHT ENGINE DID NOT SHUT DOWN. MAINTENANCE INSPECTED ENGINE CONTROL CABLES AND FOUND CABLES IN BIND. FURTHER
- [SDR S9BA20240002](https://openairdocs.org/sdr/S9BA20240002), May 28, 2024: TRIM TAB. BROKEN. IN SHALLOW CLIMB A DUPLICATABLE VIBRATION CAN BE FELT IN THE YOKE AND AIRPLANE. INSPECTION OF THE AIRCRAFT FOUND THE LH ELEVATOR TRIM TAB ATTACH BRACKET BROKEN.
- [SDR S9BA20240402001](https://openairdocs.org/sdr/S9BA20240402001), Apr 1, 2024: LONGERON. CRACKED. RH ENGINE NACELLE OUTBOARD LOWER LONGERON CRACKED.
- [SDR S9BA202307210005](https://openairdocs.org/sdr/S9BA202307210005), Jul 21, 2023: FRAME. CORRODED. RH SIDE FRAME AT FS219 CORRODED BEYOND MANUAL LIMITS.
- [SDR S9BA202307210004](https://openairdocs.org/sdr/S9BA202307210004), Jul 21, 2023: FRAME. CORRODED. LH SIDE FRAME AT FS218 CORRODED BEYOND MANUAL LIMITS.
- [SDR S9BA20230003](https://openairdocs.org/sdr/S9BA20230003), Mar 10, 2023: STRUCTURE. CORRODED. RH UPPER WING SKIN DOUBLER (.063) CORROSION WS135.0 (.040 DEEP) AT MAIN SPAR BEYOND SRM LIMITS
- [SDR S9BA20230002](https://openairdocs.org/sdr/S9BA20230002), Mar 10, 2023: STRUCTURE. CORRODED. LH UPPER WING SKIN DOUBLER (.063 THICK) CORROSION WS125.50 (.014 DEEP) AND 129.00 (.013 DEEP) AT MAIN SPAR BEYOND SRM LIMITS.
- [SDR S9BA20230001](https://openairdocs.org/sdr/S9BA20230001), Feb 22, 2023: STRUCTURE. CORRODED. SUPPLEMENT REPORT TO CONTROL NUMBER 2023F00064. PLEASE CHANGE CONTROL NUMBER FROM 2023F00064 TO OPERATOR UNIQUE CONTROL NUMBER S9BA20230001. ALL OTHER INFORMATI
- [SDR 2023F00064](https://openairdocs.org/sdr/2023F00064), Feb 22, 2023: STRUCTURE. CORRODED. RH SIDE FUSELAGE SKIN (.050 THICK) CORRODED (.023 DEEP) BEYOND SRM LIMITS (.006) AT FS131-FS132 AT TOP OF WINDOW CUTOUT.
- [SDR 2022FA0000754](https://openairdocs.org/sdr/2022FA0000754), Dec 9, 2022: PROXIMITY SWITCH. LOOSE. DURING MAINTENANCE FLIGHT, LEFT NOSE GEAR DOWN LIGHT DID NOT ILLUMINATE. ADJUSTED PROXIMITY SWITCH TO ILLUMINATE NOSE GEAR DOWN LIGHT. JACKED AIRCRAFT AND GEAR 
- [SDR 2021FA0000372](https://openairdocs.org/sdr/2021FA0000372), Dec 10, 2021: AUTOPILOT SYS. MALFUNCTIONED. DURING TEST FLIGHT FOR THE INSTALLATION OF AUTOPILOT SYSTEM GENESYS S-TEC3100 INTO THE DHC-6 AIRCRAFT SEVERAL PROBLEMS BECAME APPARENT. THESE ISSUES WERE: PITCH
- [SDR 2021FA0000128](https://openairdocs.org/sdr/2021FA0000128), May 7, 2021: FLOORBOARD. DAMAGED. FLOOR BOARDS BOWED/WARPED/SAGGED CAUSING POOR SEAT LOCK PIN ENGAGEMENT.
- [SDR HKGA20201001001](https://openairdocs.org/sdr/HKGA20201001001), Oct 1, 2020: NOZZLE. LEAKING. NUMBER 2 ENGINE FLAMED OUT DURING CRUISE FLIGHT. AFTER LANDING MAINTENANCE FOUND THE NUMBER 8 FUEL NOZZLE LEAKING FROM THE TRANSFER TUBES, DUE TO AN INCORRECTLY
- [SDR CA190801003](https://openairdocs.org/sdr/CA190801003), Aug 1, 2019: BUSS BAR. MISMANUFACTURED. (CAN) NEW BUS BAR RECEIVED FROM VIKING AIR LIMITED. SLOTTED END DOES NOT FIT OVER EXTERNAL POWER RECEPTACLE MS3506-1. (REF: IPC PSM 1-63-4, CH 24-40-00, FIG 1, 
- [SDR CA190731030](https://openairdocs.org/sdr/CA190731030), Jul 29, 2019: SWITCH. MALFUNCTIONED. (CAN) DURING THE TAKE-OFF SLIDE, THE AUTO FEATHER SWITCH WOULD NOT ARM. THE PILOTS ABORTED THE TAKE-OFF AND RETURNED TO THE DOCK. THE SWITCH WAS REPLACED, AND T
- [SDR CA190724012](https://openairdocs.org/sdr/CA190724012), Jul 16, 2019: SWITCH. MALFUNCTIONED. (CAN) THE AUTO FEATHER ARM LIGHT DID NOT TURN ON DURING THE TAKE-OFF SLIDE. THE AUTO FEATHER SWITCH WAS REPLACED, AND THE SYSTEM FUNCTION CHECKED SERVICEABLE. (
- [SDR CA190529010](https://openairdocs.org/sdr/CA190529010), May 28, 2019: BOLT. DEFECTIVE. (CAN) A REPLACEMENT ATTACH BOLT FOR THE FLIGHT CONTROL RODS WAS PURCHASED & RECEIVED BY NWA STORES. UPON PRE-INSTALLATION INSPECTION OF THE BOLT, (P/N NAS464P5-
- [SDR CA190521017](https://openairdocs.org/sdr/CA190521017), May 21, 2019: BLOCK. MISMANUFACTURED. (CAN) WE RECENTLY RECEIVED A PURCHASED SYSTEM 65 S-TEC KIT AND THERE IS A MICARTA BLOCK REQUIRED FOR THE INSTALLATION OF THE TRIM SERVO THAT IS NOT MANUFACTURED
- [SDR CA190717013](https://openairdocs.org/sdr/CA190717013), May 7, 2019: SKI. CRACKED. (CAN) ON MAY 7, 2019, AIR INUIT HAD AN INCIDENT WITH A DHC6-300 (C-XXXX). THE AIRCRAFT WAS OPERATE ON SKI ON AN OFF STRIP WHEN HE SUDDENLY LOST CONTROL OF THE A
- [SDR CA190416017](https://openairdocs.org/sdr/CA190416017), Apr 15, 2019: CABLE. SLIPPED. (CAN) WHEN PERFORMING SERVO MOUNT CLUTCH SLIP TEST ON APS-65 AUTOPILOT SYSTEM INSTALLED ON DHC6-300 AIRCRAFT IN ACCORDANCE WITH APS-65 MAINTENANCE MANUAL COLLIN
- [SDR CA190410021](https://openairdocs.org/sdr/CA190410021), Apr 10, 2019: AUTOPILOT SYS. MALFUNCTIONED. (CAN) APS-65 AUTOPILOT INSTALLED IN DHC6-300 BY MANUFACTURERS SERVICE BULLETIN SB 6-505 IS NOT MENTIONED IN THE AIRCRAFT MAINTENANCE MANUAL, HAS NO INSTRUCTIONS
- [SDR CA180423022](https://openairdocs.org/sdr/CA180423022), Apr 23, 2018: AUDIO CONTROL. MALFUNCTIONED. (CAN) IT HAS BEEN DISCOVERED THAT WHEN BOTH AUDIO PANEL MIC SELECTIONS ARE SELECTED TO COM POSITION 3 A PTT TRANSMIT ON CO-PILOT`S SIDE ALSO CAUSES THE PILOT SI
- [SDR HKGA20170802005](https://openairdocs.org/sdr/HKGA20170802005), Aug 2, 2017: LANDING GEAR. CRACKED. DURING A MAIN LANDING GEAR REPLACEMENT, A 2" CRACK WAS NOTED ON THE MAIN LANDING GEAR WELD. LANDING GEAR LEG WAS REPLACED WITH OVERHAULED UNIT IAW MAINTENANCE M
- [SDR GCNA20160725001](https://openairdocs.org/sdr/GCNA20160725001), Jul 20, 2016: UNKNOWN. ODOR. WHILE IN FLIGHT, CREW SMELLED SMOKE. THE CREW OPENED THE BUS TIE AND ISOLATED THE ELECTRICAL POWER. ACFT RETURNED TO BASE WITHOUT FURTHER INCIDENT. MAINTENANCE 
- [SDR CA160229005](https://openairdocs.org/sdr/CA160229005), Feb 26, 2016: LIGHT. BURNED OUT. (CAN) AIRCRAFT DEPARTED FROM AIRPORT AND CREW SMELLED AND NOTICED SMOKE COMING FROM ONE OF THE OVERHEAD COCKPIT PANELS. AIRCRAFT RETURNED TO AIRPORT AND LANDED 
- [SDR CA160307001](https://openairdocs.org/sdr/CA160307001), Feb 23, 2016: TURBINE BLADES. FRACTURED. (CAN) AFTER TAKE-OFF THE CREW OBSERVED A FLUCTUATION IN THE NR 2 TORQUE INDICATION AND COULD HEAR THE CHANGES IN ENGINE POWER SETTINGS. ALL OTHER PARAMETERS REM
- [SDR CA160212009](https://openairdocs.org/sdr/CA160212009), Feb 11, 2016: TUBE. CORRODED. (CAN) UPON REMOVAL OF TUBE ASSEMBLY-LOWER RUDDER SUPPORT, (C6FS1828-1) FOR CORROSION REMOVAL AND RE CADMIUM PLATING, IT WAS NOTICED THAT THE TUBE ASSEMBLY WAS F
- [SDR CA160208004](https://openairdocs.org/sdr/CA160208004), Feb 8, 2016: EXHAUST DUCT. DAMAGED. (CAN) ENGINE SENT FOR INVESTIGATION DUE TO THE CUSTOMER REPORTED A CRACKED AND DISTORTED EXHAUST DUCT. THE CUSTOMER ELECTED TO OVERHAUL THE ENGINE AT THIS TIME.
- [SDR CA160317013](https://openairdocs.org/sdr/CA160317013), Feb 3, 2016: LEVER. FAILED. (CAN) STEERING LEVER FAILED DURING TAXI.
- [SDR CA160317012](https://openairdocs.org/sdr/CA160317012), Feb 3, 2016: LEVER. FAILED. (CAN) STEERING LEVER BROKE DURING TAXI.
- [SDR 2016FA0000000](https://openairdocs.org/sdr/2016FA0000000), Jan 1, 2016: OIL SYSTEM. OIL CONSUMPTION. ENGINE WAS INSTALLED AFTER O/H. GROUND RUN AND PERFORMANCE RUN WAS SATISFACTORY. ACFT WAS FLIGHT TESTED FOR 45 MINUTES, 2 TIMES WAS RUNNING GOOD. ACFT WAS DEPAR
- [SDR CA151205001](https://openairdocs.org/sdr/CA151205001), Dec 3, 2015: AXLE. CRACKED. (CAN) DURING ROUTINE EMMA INSPECTION AXLE P/N C6UM1134-27 WAS FOUND TO HAVE A SUSPECTED CRACK AROUND BARREL APPROXIMATELY 3" LONG. PART WAS REPLACED AND AIRCRAF
- [SDR CA151214008](https://openairdocs.org/sdr/CA151214008), Nov 27, 2015: RECORDER. WRONG PART. (CAN) CVR OUTPUT FROM KMA24H-70 AUDIO PANELS DOES NOT COMPLY WITH EITHER ARINC 557 OR ARINC 757 STANDARDS FOR VOICE RECORDER INPUT LEVELS. INTERFACING AN ARINC 
- [SDR CA151113004](https://openairdocs.org/sdr/CA151113004), Nov 13, 2015: CONNECTOR. UNSECURE. (CAN) NEW BRUSH BLOCK ASSEMBLIES RECEIVED INCORRECTLY ASSEMBLED. CAUSES THE ATTACHING CONNECTOR TO NOT INSTALL COMPLETELY AND WIRES FROM THE CONNECTOR TO BRUSH 
- [SDR CA151112003](https://openairdocs.org/sdr/CA151112003), Nov 10, 2015: WIRE. CHAFED. (CAN) WIRES FROM DE-ICE BOOT TO CONNECTOR FOUND CHAFFED ON CONNECTOR MOUNTING BRACKET.
- [SDR CA151023001](https://openairdocs.org/sdr/CA151023001), Oct 20, 2015: LEVER. BROKEN. (CAN) DURING TURN AT THE END OF THE RUNWAY, CREW HEARD A THUMP. MAINTENANCE FOUND STEERING LEVER P/N 71-159-9 BROKEN. STEERING LEVER REPLACED, AND STEERING TRAV
- [SDR CA151121001](https://openairdocs.org/sdr/CA151121001), Oct 19, 2015: ADAPTER. CRACKED. (CAN) AFT ADAPTER ON VERTICAL STABILIZER WAS FOUND CRACKED UPON EXAMINATION CALLED OUT IN PART B OF SERVICE BULLETIN 6/454. INSPECTION REQUIRED EVERY 60 MONTHS.
- [SDR CA151027007](https://openairdocs.org/sdr/CA151027007), Oct 19, 2015: STUD. SHEARED. (CAN) BRACKET C3W25-3 HOLDS TWO STUDS C3W65-3 THAT SECURE THE UPPER AND LOWER AILERON CABLE PULLEYS IN THE OUTBOARD LH WING OF THE TWIN OTTER. ONE OF THE PULLEY
- [SDR S9BA2016F00006](https://openairdocs.org/sdr/S9BA2016F00006), Oct 19, 2015: FUEL CONTROL. FAILED. (CGKBR) LEFT ENGINE NOT MAKING 50 PERCENT TORQUE ON LAST FLIGHT CHECKS. REPLACED FUEL PUMP AND FUEL CONTROL.
- [SDR CA151019002](https://openairdocs.org/sdr/CA151019002), Oct 15, 2015: BOLT. BROKEN. (CAN) STEERING ACTUATOR LINK BOLT P/N 71-146-1 FOUND BROKEN DURING NOSE WHEEL STEERING CABLE INSPECTION. BOLT WAS STILL IN ITS HOLE AND FELL AS IT GOT TOUCHED F
- [SDR S9BA201510170014](https://openairdocs.org/sdr/S9BA201510170014), Oct 12, 2015: TRANSDUCER. MALFUNCTIONED. LT ENGINE ONLY PRODUCING 40 LBS TORQUE ON TAKEOFF. TAKEOFF WAS ABORTED. TORQUE TRANSDUCER WAS REPLACED IAW AMM 79-31.
- [SDR CA150723004](https://openairdocs.org/sdr/CA150723004), Jul 22, 2015: COLLAR. BROKEN. (CAN) PILOT LANDED AND NOTICE THAT NOSE WHEEL STEERING WAS STIFF AND DIFFICULT TO CONTROL. ALSO TILLER POSITION DID NOT CORRESPOND WITH THE DIRECTION AIRCRAFT W

All 655: https://openairdocs.org/model/dehavilland-dhc-6-300/reports.md

## STCs that may be installed (OpenAirDocs) (259, 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 SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. TCW Technologies, LLC
- [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC
- [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 SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc
- [STC SA800EA](https://openairdocs.org/stc/SA800EA): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies. Whelen Aerospace Technologies
- [STC SA7738SW](https://openairdocs.org/stc/SA7738SW): Installation of a freon air conditioning system. Twin Otter STC 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 SA12280IB](https://openairdocs.org/stc/SA12280IB): Installation of Wing and Outboard Fore Flap Trailing Edge Assemblies. Unity Aviation Canada Ltd
- [STC SA11158SC](https://openairdocs.org/stc/SA11158SC): Demonstration of aircraft tolerance to potential electromagnetic interference from certain Transmitting Potable Electronic Devices (T-PEDS). Liberty Partners 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 SA02306LA](https://openairdocs.org/stc/SA02306LA): Modify existing Wipaire Inc.'s STC No. SA100CH installed on Viking Air Limited DeHavilland Model-6-300 airplanes. 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 SA02682LA](https://openairdocs.org/stc/SA02682LA): This STC approves the Viking Air Limited DHC-6-300 landplane to operate in the commuter category, to takeoff at a maximum weight of 14,000 pounds and land at a maximum weight of 13,800 pounds, the installation of Pratt & Whitney Canada PT6A-34 engines rated at 750 SHP, and associated modifications. 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 SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc
- [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 SA8709SW](https://openairdocs.org/stc/SA8709SW): Installation of a Traffic Alert and Collision Avoidance System I (TCAS I) model TCAS 791/791A. 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 SA00221IB](https://openairdocs.org/stc/SA00221IB): Installation of the Nose Cone Research Provisions. Rocky Mountain Aircraft
- [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 SA00196IB](https://openairdocs.org/stc/SA00196IB): Installation of the Replacement Aluminum Cargo Floor Panels. Rocky Mountain Aircraft
- [STC SA02380LA](https://openairdocs.org/stc/SA02380LA): Re-Life of the Viking Air Limited Model DHC-6 Series 100, 200 and 300 fuselage, horizontal stabilizer, and vertical stabilizer. IKHANA Group Inc
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA00171IB](https://openairdocs.org/stc/SA00171IB): Installation of the Radar Altimeter Mounts (Structural Provisions Only). Rocky Mountain Aircraft
- [STC SA00152IB](https://openairdocs.org/stc/SA00152IB): Installation of High Back Seat Modification. Kenn Borek Air Ltd
- [STC SA02457LA](https://openairdocs.org/stc/SA02457LA): Re-Life flight controls. IKHANA Group Inc
- [STC SA3532NM](https://openairdocs.org/stc/SA3532NM): Installation of Hartzell/Raisbeck Quiet Turbofan Propeller System. Suitable for DHC-6-300 airplanes with PT6A-27 engines. Raisbeck Engineering Inc
- [STC SA00129IB](https://openairdocs.org/stc/SA00129IB): Decommission of Standard Operators Options (S.O.O.) 6095 Fuel System. Kenn Borek Air 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 SA04550AT](https://openairdocs.org/stc/SA04550AT): Main Wheel and Brake Assembly for the Viking Air DHC-6 Series aircraft. PMA Design and Manufacturing
- [STC SA1065GL](https://openairdocs.org/stc/SA1065GL): Install Aircraft Wheel and Brake CONVERSION Kit 199-92, N/C. KAMAN Corporation Aircraft Wheel and Brake LLC
- [STC SA00061IB](https://openairdocs.org/stc/SA00061IB): Activation of the Garmin GTN 750 (Xi) TAWS-A. Rocky Mountain Aircraft
- [STC SA00060IB](https://openairdocs.org/stc/SA00060IB): Installation of LED Replacement Cockpit Panels. Rocky Mountain Aircraft
- [STC SA00054IB](https://openairdocs.org/stc/SA00054IB): Installation of Pitot Heat Indication System. Rocky Mountain Aircraft
- [STC SA00042IB](https://openairdocs.org/stc/SA00042IB): Installation of Engine Chip Detectors. Rocky Mountain Aircraft
- [STC SA02254AK](https://openairdocs.org/stc/SA02254AK): Installation of "Single Screen", "2 or 3 Screen", "Dual Screen", or "4 or 6 screen". Genesys Aerosystems Inc
- [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 SA5970NM](https://openairdocs.org/stc/SA5970NM): 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. Honeywell International Inc
- [STC SA00282NY](https://openairdocs.org/stc/SA00282NY): Replacement latches on upper and lower cargo door. PMA Design & Manufacturing Inc
- [STC SA00160LA](https://openairdocs.org/stc/SA00160LA): Installation of IKHANA Aircraft Services wing box assembly. IKHANA Group Inc

All 259: https://openairdocs.org/model/dehavilland-dhc-6-300/stcs.md

## PMA parts (OpenAirDocs) (over 1,000, 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
- [KAC3FF31-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126476443220260512112234.0001): Clamp – Aft Pilot’s Seat Support. Kenmore Air Harbor LLC · PMA PQ1939NM · Replaces C3FF31-3 · May 6, 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
- [APS160-01100](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194850003020260313134801.0001): Air Valve Assy. Airforms LLC · PMA PQ2644CE · Replaces 160-01100, TR747-05 · Mar 9, 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
- [APS161-13301](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186020852720260313134758.0001): Inner Wheel Half. Airforms LLC · PMA PQ2644CE · Replaces 161-13301 · 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
- [APS154-03900](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID158225973920260313134802.0001): Molded Grease Seal. Airforms LLC · PMA PQ2644CE · Replaces 154-03900 · Mar 9, 2026
- [APS040-21101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155282574620260313134757.0001): 11.00-12 Wheel Assy. Airforms LLC · PMA PQ2644CE · Replaces 040-21101 · 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
- [APS158-01700](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152008728020260313134804.0001): Hub Cap. Airforms LLC · PMA PQ2644CE · Replaces 158-01700 · Mar 9, 2026
- [APS214-09200](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150826604820260313134802.0001): Cone-Bearing. Airforms LLC · PMA PQ2644CE · Replaces 214-09200, 39250-20629 · 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
- [APS214-39412](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148872661220260313134759.0001): Cup-Bearing. Airforms LLC · PMA PQ2644CE · Replaces 214-39412, 39412-20629 · 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
- [APS155-08300](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142759621320260313134804.0001): Snap Ring. Airforms LLC · PMA PQ2644CE · Replaces 155-08300 · 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
- [APS162-12401](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138422211520260313134800.0001): Outer Wheel Half. Airforms LLC · PMA PQ2644CE · Replaces 162-12401 · 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
- [P-1022](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141595803120250602133042.0001): Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 52-01103-1 · May 23, 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
- [M06-201100](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183943991720241022163142.0001): Label. Miraj Corporation · PMA PQ0870NE · Replaces Safran 06-201100 · Oct 10, 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

All of them: https://openairdocs.org/model/dehavilland-dhc-6-300/pma.md

## The same model under other registry codes

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

- [Dehavilland Acft Of Canada DHC 6-300](https://openairdocs.org/model/dehavilland-acft-of-canada-dhc-6-300): 4 registered aircraft, registry code 2805155
- [Boeing DHC-6-300](https://openairdocs.org/model/boeing-dhc-6-300): 0 registered aircraft, registry code 1386001
- [Viking Air DHC-6-300](https://openairdocs.org/model/viking-air-dhc-6-300): 0 registered aircraft, registry code 5026394

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