# N28500: 1946 North American HARVARD 4

- Status: Valid registration
- Airframe: [North American HARVARD 4](https://openairdocs.org/model/north-american-harvard-4) (registry code 6400430, 2 seats)
- Serial number: 2850
- Year built: 1946
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Certificate issued: April 19, 2011
- Expires: April 30, 2027
- Mode S code: A2E2FF
- Registered owner: [American Aircraft Sales LLC](https://openairdocs.org/faa-owner/AMERICAN%20AIRCRAFT%20SALES%20LLC)
- Location: [Livermore, CA](https://openairdocs.org/faa-place/CA/Livermore)
- Owner type: LLC
- Owner's area on the map: 37.7505° N, 121.7492° W: Placed by OpenAirDocs at the center of ZIP code 94551, 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=28500
- Page: https://openairdocs.org/aircraft/N28500

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 HARVARD 4)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N28500.

## FAA accident and incident reports

None matched to N28500.

## 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 N28500

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N28500 before.

- [Cancelled 1941-10-08](https://openairdocs.org/deregistered/N28500-1941-10-08): Fairchild 24R-40, S/N R-40-410, built 1940. Owner: [Laflin Lloyd A](https://openairdocs.org/faa-owner/LAFLIN%20LLOYD%20A), [Lale Forrest, IL](https://openairdocs.org/faa-place/IL/Lale%20Forrest)

## Related

- Other North American HARVARD 4 aircraft: https://openairdocs.org/model/north-american-harvard-4/aircraft.md

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