# N4957: 1953 Dehavilland BEAVER L-20A

- Status: Valid registration
- Airframe: [Dehavilland BEAVER L-20A](https://openairdocs.org/model/dehavilland-beaver-l-20a) (registry code 2800104, 8 seats)
- Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008)
- Serial number: 490
- Year built: 1953
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Multiple
- Airworthiness date: April 9, 2010
- Certificate issued: January 18, 2024
- Expires: January 31, 2031
- Mode S code: A625F8
- Registered owner: [Talon Air Service Inc](https://openairdocs.org/faa-owner/TALON%20AIR%20SERVICE%20INC)
- Location: [Soldotna, AK](https://openairdocs.org/faa-place/AK/Soldotna)
- Owner type: Corporation
- Owner's area on the map: 60.3715° N, 150.9989° W: Placed by OpenAirDocs at the center of ZIP code 99669, 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=4957
- Page: https://openairdocs.org/aircraft/N4957

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 L-20A)

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 ANC24LA049](https://openairdocs.org/ntsb/ANC24LA049), Jun 11, 2024: Dehavilland Beaver L-20A (DHC-2) (N4957), Port Alsworth, AK, substantial damage. Probable cause: A partial loss of engine power for reasons that could not be determined.

## 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 20240610008519A](https://openairdocs.org/incident/20240610008519A), Jun 10, 2024: Dehavilland BEAVER L-20A (N4957), Port Alsworth, AK, Substantial damage. Loaded up the passangers at Kijik Lake. Gave safety briefing. Warmed up engine to 40 degrees. Engine oil was at correct temp. Ran carb heat to approprite…

## 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 L-20A aircraft: https://openairdocs.org/model/dehavilland-beaver-l-20a/aircraft.md
- The Pratt & Whitney R-985 series engine: https://openairdocs.org/engine/pratt-whitney-r-985-series.md

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