# N91AW: North American T-28B

- Status: Valid registration
- Airframe: [North American T-28B](https://openairdocs.org/model/north-american-t-28b) (registry code 6402506, 2 seats)
- Engine: [Wright R-1820 series](https://openairdocs.org/engine/wright-r-1820-series) (registry code 67020)
- Serial number: 138356
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: June 26, 1986
- Certificate issued: April 28, 2023
- Expires: April 30, 2030
- Mode S code: AC9467
- Registered owner: [Trojan Flight Operations LLC](https://openairdocs.org/faa-owner/TROJAN%20FLIGHT%20OPERATIONS%20LLC)
- Location: [Marion, IN](https://openairdocs.org/faa-place/IN/Marion)
- Owner type: LLC
- Owner's area on the map: 40.5998° N, 85.6288° W: Placed by OpenAirDocs at the center of ZIP code 46952, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=91AW
- Page: https://openairdocs.org/aircraft/N91AW

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 Wright R-1820 model are included.

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

### Matched by airframe (North American T-28B)

None in force.

### Matched by engine (Wright R-1820 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N91AW.

## FAA accident and incident reports

None matched to N91AW.

## 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 T-28B aircraft: https://openairdocs.org/model/north-american-t-28b/aircraft.md
- The Wright R-1820 series engine: https://openairdocs.org/engine/wright-r-1820-series.md

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