# N55520: 1942 Boeing PT-13D

- Status: Valid registration
- Airframe: [Boeing PT-13D](https://openairdocs.org/model/boeing-pt-13d) (registry code 1380122, 2 seats)
- Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008)
- Serial number: 75-5520
- Year built: 1942
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: October 30, 2002
- Expires: July 31, 2028
- Mode S code: A714B5
- Registered owner: [Rich Jeffrey Piper](https://openairdocs.org/faa-owner/RICH%20JEFFREY%20PIPER)
- Location: [Graham, NC](https://openairdocs.org/faa-place/NC/Graham)
- Owner type: Individual
- Owner's area on the map: 35.9662° N, 79.3474° W: Placed by OpenAirDocs at the center of ZIP code 27253, 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=55520
- Page: https://openairdocs.org/aircraft/N55520

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 (Boeing PT-13D)

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 OAK77FVM21](https://openairdocs.org/ntsb/OAK77FVM21), Aug 9, 1977: Boeing PT-13D (N55520), Morgan Hill, CA, substantial damage

## FAA accident and incident reports (2)

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 19980406010929I](https://openairdocs.org/incident/19980406010929I), Apr 6, 1998: Boeing PT13D (N55520), Siler City, NC, Minor damage. Narrative: at 1700 local on April 6, 1998, Mr. Bernard leewood landed his steerman at silver city airport. He proceeded to taxi into the ramp area and struck a…
- [Accident 19770809024649A](https://openairdocs.org/incident/19770809024649A), Aug 9, 1977: Boeing PT13D (N55520), Morgan Hill, CA, Substantial damage. Carb air restriction due injestion of asbestos sealing material broken from alternate air ducting

## 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.

## Earlier aircraft with N55520

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N55520 before.

- [Cancelled 1973-06-07](https://openairdocs.org/deregistered/N55520-1973-06-07): Piper PA-32-300, S/N 327340123. Exported to Belgium. Owner: [Piper Aircraft Co](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20CO), [Lock Haven, PA](https://openairdocs.org/faa-place/PA/Lock%20Haven)

## Related

- Other Boeing PT-13D aircraft: https://openairdocs.org/model/boeing-pt-13d/aircraft.md
- The Pratt & Whitney R-985 series engine: https://openairdocs.org/engine/pratt-whitney-r-985-series.md

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