# N809LL: Dehavilland DHC-6-300

- Status: Valid registration
- Airframe: [Dehavilland DHC-6-300](https://openairdocs.org/model/dehavilland-dhc-6-300) (registry code 2802630, 22 seats)
- Data sheets: [TCDS A9EA](https://openairdocs.org/tcds/A9EA) (De Havilland Aircraft of Canada Limited) (OpenAirDocs)
- Serial number: 809
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Certificate issued: December 10, 2025
- Expires: December 31, 2032
- Mode S code: AB0451
- Registered owner: [Landlocked Company LLC](https://openairdocs.org/faa-owner/LANDLOCKED%20COMPANY%20LLC)
- Location: [Dover, DE](https://openairdocs.org/faa-place/DE/Dover)
- Owner type: LLC
- Owner's area on the map: 39.1815° N, 75.4736° W: Placed by OpenAirDocs at the center of ZIP code 19901, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=809LL
- Page: https://openairdocs.org/aircraft/N809LL

From the FAA registry file of October 21, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 59 in force

### Matched by airframe (Dehavilland DHC-6-300)

- [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/aircraft/N809LL/ads.md

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N809LL.

## FAA accident and incident reports

None matched to N809LL.

## Service difficulty reports

None filed for this aircraft.

## Related

- Other Dehavilland DHC-6-300 aircraft: https://openairdocs.org/model/dehavilland-dhc-6-300/aircraft.md
- STCs for the Dehavilland DHC-6-300: https://openairdocs.org/model/dehavilland-dhc-6-300/stcs.md

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