# N3960C: 1947 Grumman J2F6

- Status: Valid registration
- Airframe: [Grumman J2F6](https://openairdocs.org/model/grumman-j2f6) (registry code 3950208, 2 seats)
- Engine: [Wright 1820G-2-3&5](https://openairdocs.org/engine/wright-1820g-2-3-5) (registry code 67025)
- Data sheets: [TCDS LTC-17](https://openairdocs.org/tcds/LTC-17) (Utterback B.) (OpenAirDocs)
- Serial number: 33559
- Year built: 1947
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Limited
- Airworthiness date: July 2, 1957
- Certificate issued: April 21, 2016
- Expires: April 30, 2029
- Mode S code: A49B6E
- Registered owner: [Wulf LLC](https://openairdocs.org/faa-owner/WULF%20LLC)
- Location: [Beaverton, OR](https://openairdocs.org/faa-place/OR/Beaverton)
- Owner type: LLC
- Owner's area on the map: 45.4604° N, 122.8025° W: Placed by OpenAirDocs at the center of ZIP code 97008, 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=3960C
- Page: https://openairdocs.org/aircraft/N3960C

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 (Grumman J2F6)

None in force.

### Matched by engine (Wright 1820G-2-3&5)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CHI80FA054](https://openairdocs.org/ntsb/CHI80FA054), Jul 12, 1980: Grumman J2F-6 (N3960C), Toledo, OH, substantial damage, 1 fatal

## 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.

- [Accident 19800712025799A](https://openairdocs.org/incident/19800712025799A), Jul 12, 1980: Gruman J2F6UTTERBK (N3960C), Toledo, OH, Substantial damage, 1 fatal. Land airplane equipped with amphibious floats on river with wheels down. Nosed over on touchdown.

## 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) (5)

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 (Grumman J2F6)

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc
- [STC SA04776NY](https://openairdocs.org/stc/SA04776NY): The HIPEC Covering and Finishing System must be performed and maintained. HIPEC Aircraft Coatings Inc
- [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation
- [STC SA01406NY](https://openairdocs.org/stc/SA01406NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K017 on single and multi-engine fixed light aircraft and rotary wing. Airwolf Filter Corporation

## Related

- Other Grumman J2F6 aircraft: https://openairdocs.org/model/grumman-j2f6/aircraft.md
- The Wright 1820G-2-3&5 engine: https://openairdocs.org/engine/wright-1820g-2-3-5.md

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