# N91FW: 1944 Focke-Wulf FW-190A4

- Status: Valid registration
- Airframe: [Focke-Wulf FW-190A4](https://openairdocs.org/model/focke-wulf-fw-190a4) (registry code 3540104, 1 seats)
- Engine: [BMW 801D](https://openairdocs.org/engine/bmw-801d) (registry code 09493)
- Serial number: 931862
- Year built: 1944
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: June 1, 2023
- Certificate issued: May 21, 2022
- Expires: May 31, 2029
- Mode S code: AC94E4
- Registered owners: [Collings Founation Inc DBA](https://openairdocs.org/faa-owner/COLLINGS%20FOUNATION%20INC%20DBA), [American Heritage Museum](https://openairdocs.org/faa-owner/AMERICAN%20HERITAGE%20MUSEUM)
- Location: [Stow, MA](https://openairdocs.org/faa-place/MA/Stow)
- Owner type: Corporation
- Owner's area on the map: 42.4299° N, 71.5116° W: Placed by OpenAirDocs at the center of ZIP code 01775, 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=91FW
- Page: https://openairdocs.org/aircraft/N91FW

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 (Focke-Wulf FW-190A4)

None in force.

### Matched by engine (BMW 801D)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N91FW.

## FAA accident and incident reports

None matched to N91FW.

## 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 Focke-Wulf FW-190A4 aircraft: https://openairdocs.org/model/focke-wulf-fw-190a4/aircraft.md
- The BMW 801D engine: https://openairdocs.org/engine/bmw-801d.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.