# N991R: 1993 North American/Aero Classics P-51D

- Status: Valid registration
- Airframe: [North American/Aero Classics P-51D](https://openairdocs.org/model/north-american-aero-classics-p-51d) (registry code 6402304, 1 seats)
- Engine: [Rolls-Royce MERLIN](https://openairdocs.org/engine/rolls-royce-merlin) (registry code 54502)
- Serial number: 44-74536
- Year built: 1993
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Limited
- Airworthiness date: August 20, 2024
- Certificate issued: October 7, 2009
- Expires: August 31, 2028
- Mode S code: ADD7D1
- Registered owner: [Hisey Aviation LLC](https://openairdocs.org/faa-owner/HISEY%20AVIATION%20LLC)
- Location: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)
- Owner type: LLC
- Owner's area on the map: 35.5765° N, 97.4693° W: Placed by OpenAirDocs at the center of ZIP code 73131, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=991R
- Page: https://openairdocs.org/aircraft/N991R

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.

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

### Matched by airframe (North American/Aero Classics P-51D)

None in force.

### Matched by engine (Rolls-Royce MERLIN)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N991R.

## 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.

- [Incident 20110806026289I](https://openairdocs.org/incident/20110806026289I), Aug 6, 2011: North American/Aero Classics P-51D (N991R), Oklahoma City, OK, Minor damage. Pilot had flown the aircraft to enid woodring airport. When he go there he was not able to get a green light on the right main gear. He returned to pwa where…

## 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 North American/Aero Classics P-51D aircraft: https://openairdocs.org/model/north-american-aero-classics-p-51d/aircraft.md
- The Rolls-Royce MERLIN engine: https://openairdocs.org/engine/rolls-royce-merlin.md

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