# N81643: 1949 North American T-28A

- Status: Valid registration
- Airframe: [North American T-28A](https://openairdocs.org/model/north-american-t-28a) (registry code 6402504, 2 seats)
- Engine: [Wright R-1300-1B](https://openairdocs.org/engine/wright-r-1300-1b) (registry code 67061)
- Data sheets: [TCDS 1A18](https://openairdocs.org/tcds/1A18) (The Boeing Company) (OpenAirDocs)
- Serial number: 49-1643A
- Year built: 1949
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: March 25, 2022
- Certificate issued: March 16, 2022
- Expires: March 31, 2029
- Mode S code: AB22A6
- Registered owner: [Warpiggs LLC](https://openairdocs.org/faa-owner/WARPIGGS%20LLC)
- Location: [Klamath Falls, OR](https://openairdocs.org/faa-place/OR/Klamath%20Falls)
- Owner type: LLC
- Owner's area on the map: 42.1326° N, 121.6646° W: Placed by OpenAirDocs at the center of ZIP code 97603, within about 10 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=81643
- Page: https://openairdocs.org/aircraft/N81643

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 T-28A)

None in force.

### Matched by engine (Wright R-1300-1B)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N81643.

## 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 20150328003899I](https://openairdocs.org/incident/20150328003899I), Mar 28, 2015: North American T-28A (N81643), Midland, TX, Minor damage. On March 28, 2015, at 12:57CDT, a North American T-28-A aircraft bearing registration number N81643, registered to absolute investments inc. the aircraft was…
- [Incident 19790401013789I](https://openairdocs.org/incident/19790401013789I), Apr 1, 1979: Rkwell 690B (N81643), Wheeling, IL, Minor damage. In darkness and rain, pilot missed the turn onto the taxiway. Left main sank into a soft area, prop struck runwy

## 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 N81643

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N81643 before.

- [Cancelled 1956-02-23](https://openairdocs.org/deregistered/N81643-1956-02-23): Aeronca 7AC, S/N 7AC-260. Owner: [Charles Shanks DBA Ashland Flying Service](https://openairdocs.org/faa-owner/CHARLES%20SHANKS%20DBA%20ASHLAND%20FLYING%20SERVICE), [Ashland, OH](https://openairdocs.org/faa-place/OH/Ashland)

## Related

- Other North American T-28A aircraft: https://openairdocs.org/model/north-american-t-28a/aircraft.md
- The Wright R-1300-1B engine: https://openairdocs.org/engine/wright-r-1300-1b.md

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