# N312AS: 1955 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: 138213
- Year built: 1955
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: September 14, 1999
- Certificate issued: December 5, 2015
- Expires: December 31, 2028
- Mode S code: A34E50
- Registered owner: [Northern Aviation LLC](https://openairdocs.org/faa-owner/NORTHERN%20AVIATION%20LLC)
- Location: [Palmer, AK](https://openairdocs.org/faa-place/AK/Palmer)
- Owner type: LLC
- Owner's area on the map: 61.6245° N, 148.9817° W: Placed by OpenAirDocs at the center of ZIP code 99645, within about 14 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=312AS
- Page: https://openairdocs.org/aircraft/N312AS

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 N312AS.

## 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 20091024023639I](https://openairdocs.org/incident/20091024023639I), Oct 24, 2009: Namer T28B (N312AS), Coolidge, AZ, Substantial damage. On Saturday 10-24-2009 at approximately 1400 hours pilot Mr. Billy johnson, front seat and pilot Mr. Robert blue back seat, performed a gear-up landing at…

## 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

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.