# N28941: 1955 North American T-28C

- Status: Valid registration
- Airframe: [North American T-28C](https://openairdocs.org/model/north-american-t-28c) (registry code 6402507, 2 seats)
- Engine: [Wright R-1820-86](https://openairdocs.org/engine/wright-r-1820-86) (registry code 67200)
- Serial number: 140553
- Year built: 1955
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: June 29, 2010
- Certificate issued: May 25, 2023
- Expires: May 31, 2030
- Mode S code: A2F268
- Registered owner: [Helfrich Vincent P](https://openairdocs.org/faa-owner/HELFRICH%20VINCENT%20P)
- Location: [Lawrence, MA](https://openairdocs.org/faa-place/MA/Lawrence)
- Owner type: Individual
- Owner's area on the map: 42.6900° N, 71.1604° W: Placed by OpenAirDocs at the center of ZIP code 01843, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=28941
- Page: https://openairdocs.org/aircraft/N28941

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-28C)

None in force.

### Matched by engine (Wright R-1820-86)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N28941.

## FAA accident and incident reports

None matched to N28941.

## 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 N28941

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N28941 before.

- [Cancelled 1981-03-09](https://openairdocs.org/deregistered/N28941-1981-03-09): Grumman American Avn. AA-5B, S/N AA5B-0900, built 1978. Exported to United Kingdom

## Related

- Other North American T-28C aircraft: https://openairdocs.org/model/north-american-t-28c/aircraft.md
- The Wright R-1820-86 engine: https://openairdocs.org/engine/wright-r-1820-86.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.