# N6956: 1928 Ryan B1

- Status: Valid registration
- Airframe: [Ryan B1](https://openairdocs.org/model/ryan-b1) (registry code 7840102, 5 seats)
- Engine: [Wright WWJ series](https://openairdocs.org/engine/wright-wwj-series) (registry code 67007)
- Data sheets: [TCDS ATC 25](https://openairdocs.org/tcds/ATC%2025) (Ryan Aircraft Corporation) (OpenAirDocs)
- Serial number: 141
- Year built: 1928
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: August 6, 1996
- Expires: April 30, 2028
- Mode S code: A94073
- Registered owners: [Nichols Charles F Trustee](https://openairdocs.org/faa-owner/NICHOLS%20CHARLES%20F%20TRUSTEE), [Nichols Judith A Trustee](https://openairdocs.org/faa-owner/NICHOLS%20JUDITH%20A%20TRUSTEE)
- Location: [Baldwin Park, CA](https://openairdocs.org/faa-place/CA/Baldwin%20Park)
- Owner type: Co-owned
- Owner's area on the map: 34.0974° N, 117.9683° W: Placed by OpenAirDocs at the center of ZIP code 91706, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6956
- Page: https://openairdocs.org/aircraft/N6956

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 WWJ model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Ryan B1)

None in force.

### Matched by engine (Wright WWJ series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N6956.

## FAA accident and incident reports

None matched to N6956.

## 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) (4)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Ryan B1)

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. Electronics International
- [STC SA1626NM PAGE 2](https://openairdocs.org/stc/SA1626NM%20PAGE%202): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International

## Related

- Other Ryan B1 aircraft: https://openairdocs.org/model/ryan-b1/aircraft.md
- The Wright WWJ series engine: https://openairdocs.org/engine/wright-wwj-series.md

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