# N31618: 1956 Dehavilland BEAVER U-6A

- Status: Valid registration
- Airframe: [Dehavilland BEAVER U-6A](https://openairdocs.org/model/dehavilland-beaver-u-6a) (registry code 2800105, 8 seats)
- Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008)
- Serial number: 858
- Year built: 1956
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: July 15, 1994
- Expires: January 31, 2028
- Mode S code: A35FB7
- Registered owner: [Hayton James B](https://openairdocs.org/faa-owner/HAYTON%20JAMES%20B)
- Location: [Sedro Woolley, WA](https://openairdocs.org/faa-place/WA/Sedro%20Woolley)
- Owner type: Individual
- Owner's area on the map: 48.5468° N, 122.1352° W: Placed by OpenAirDocs at the center of ZIP code 98284, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=31618
- Page: https://openairdocs.org/aircraft/N31618

From the FAA registry file of October 24, 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. The registry lists only the engine series, so ADs for every Pratt & Whitney R-985 model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Dehavilland BEAVER U-6A)

None in force.

### Matched by engine (Pratt & Whitney R-985 series)

None in force.

## Information bulletins (advisory)

None matched.

## 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 ANC81FA093](https://openairdocs.org/ntsb/ANC81FA093), Aug 7, 1981: Dehavilland DHC-2 (N31618), Ketchikan, AK, destroyed

## 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 19810807089779A](https://openairdocs.org/incident/19810807089779A), Aug 7, 1981: Dhav DHC2* (N31618), Ketchikan, AK, Destroyed. Pilot flew into fog and aircraft collided with hill during attempt to climb out of fog.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Dehavilland BEAVER U-6A aircraft: https://openairdocs.org/model/dehavilland-beaver-u-6a/aircraft.md
- The Pratt & Whitney R-985 series engine: https://openairdocs.org/engine/pratt-whitney-r-985-series.md

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