# N51FW: 1976 Peterson Sailplane-Poly Ind. J-4

- Status: Valid registration
- Airframe: [Peterson Sailplane-Poly Ind. J-4](https://openairdocs.org/model/peterson-sailplane-poly-ind-j-4) (registry code 6820502, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS G3WE](https://openairdocs.org/tcds/G3WE) (Peterson Sailplane Corporation) (OpenAirDocs)
- Serial number: 005
- Year built: 1976
- Type: Glider
- Engine type: None
- Airworthiness: Standard, glider
- Airworthiness date: July 23, 1976
- Certificate issued: November 14, 2017
- Expires: November 30, 2027
- Mode S code: A65FA8
- Registered owners: [Larson Martin B](https://openairdocs.org/faa-owner/LARSON%20MARTIN%20B), [Summers Charles M](https://openairdocs.org/faa-owner/SUMMERS%20CHARLES%20M), [Glasford John T](https://openairdocs.org/faa-owner/GLASFORD%20JOHN%20T), [Clark Raymond C](https://openairdocs.org/faa-owner/CLARK%20RAYMOND%20C)
- Location: [Rapid City, SD](https://openairdocs.org/faa-place/SD/Rapid%20City)
- Owner type: Co-owned
- Owner's area on the map: 44.0320° N, 103.4154° W: Placed by OpenAirDocs at the center of ZIP code 57702, 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=51FW
- Page: https://openairdocs.org/aircraft/N51FW

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 (Peterson Sailplane-Poly Ind. J-4)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N51FW.

## FAA accident and incident reports

None matched to N51FW.

## 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 N51FW

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N51FW before.

- [Cancelled 1972-07-14](https://openairdocs.org/deregistered/N51FW-1972-07-14): Dehavilland DHC-6 TWIN OTTER, S/N 51. Exported to Canada. Owner: [Omni Aircraft International Ltd](https://openairdocs.org/faa-owner/OMNI%20AIRCRAFT%20INTERNATIONAL%20LTD), [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)

## Related

- Other Peterson Sailplane-Poly Ind. J-4 aircraft: https://openairdocs.org/model/peterson-sailplane-poly-ind-j-4/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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