# N428AF: 1952 Dehavilland DHC-2-L-20

- Status: Valid registration
- Airframe: [Dehavilland DHC-2-L-20](https://openairdocs.org/model/dehavilland-dhc-2-l-20) (registry code 2800109, 8 seats)
- Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008)
- Serial number: 424
- Year built: 1952
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Multiple
- Airworthiness date: September 21, 1995
- Certificate issued: March 17, 2014
- Expires: March 31, 2030
- Mode S code: A5195D
- Registered owner: [Rma Aviation Inc](https://openairdocs.org/faa-owner/RMA%20AVIATION%20INC)
- Location: [Deer Lodge, MT](https://openairdocs.org/faa-place/MT/Deer%20Lodge)
- Owner type: Corporation
- Owner's area on the map: 46.3529° N, 112.7529° W: Placed by OpenAirDocs at the center of ZIP code 59722, within about 11 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=428AF
- Page: https://openairdocs.org/aircraft/N428AF

From the FAA registry file of October 22, 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 DHC-2-L-20)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N428AF.

## FAA accident and incident reports

None matched to N428AF.

## 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 DHC-2-L-20 aircraft: https://openairdocs.org/model/dehavilland-dhc-2-l-20/aircraft.md
- The Pratt & Whitney R-985 series engine: https://openairdocs.org/engine/pratt-whitney-r-985-series.md

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