# N840: 1940 North American P-64

- Status: Valid registration
- Airframe: [North American P-64](https://openairdocs.org/model/north-american-p-64) (registry code 6402408, 1 seats)
- Engine: [Wright R-1820 series](https://openairdocs.org/engine/wright-r-1820-series) (registry code 67020)
- Serial number: 68-3061
- Year built: 1940
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: March 3, 1983
- Certificate issued: July 12, 2016
- Expires: July 31, 2029
- Mode S code: AB7FD8
- Registered owner: [Experimental Aircraft Association Inc](https://openairdocs.org/faa-owner/EXPERIMENTAL%20AIRCRAFT%20ASSOCIATION%20INC)
- Location: [Oshkosh, WI](https://openairdocs.org/faa-place/WI/Oshkosh)
- Owner type: Corporation
- Owner's area on the map: 44.0232° N, 88.5623° W: Placed by OpenAirDocs: center of Oshkosh, WI, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=840
- Page: https://openairdocs.org/aircraft/N840

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 P-64)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N840.

## FAA accident and incident reports

None matched to N840.

## 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 N840

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N840 before.

- [Cancelled 1965-06-03](https://openairdocs.org/deregistered/N840-1965-06-03): Donald R Voland V-1, S/N 1. Owner: [Experimental Aircraft Assn](https://openairdocs.org/faa-owner/EXPERIMENTAL%20AIRCRAFT%20ASSN), [Franklin, WI](https://openairdocs.org/faa-place/WI/Franklin)
- [Cancelled 1957-05-06](https://openairdocs.org/deregistered/N840-1957-05-06): Delackner Helicopters DH4, S/N 2. Owner: [De Lackner Helicopter Inc](https://openairdocs.org/faa-owner/DE%20LACKNER%20HELICOPTER%20INC), [Mount Vernon, NY](https://openairdocs.org/faa-place/NY/Mount%20Vernon)
- [Cancelled 1950-02-27](https://openairdocs.org/deregistered/N840-1950-02-27): Cessna T-50, S/N 44145. Owner: [Hemmerdinger M E](https://openairdocs.org/faa-owner/HEMMERDINGER%20M%20E), [Arlington, VA](https://openairdocs.org/faa-place/VA/Arlington)

## Related

- Other North American P-64 aircraft: https://openairdocs.org/model/north-american-p-64/aircraft.md
- The Wright R-1820 series engine: https://openairdocs.org/engine/wright-r-1820-series.md

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