# N37SW: 1974 Wittman TAILWIND WO

- Status: Valid registration
- Airframe: [Wittman TAILWIND WO](https://openairdocs.org/model/wittman-tailwind-wo) (registry code 9790805, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 12
- Year built: 1974
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 30, 1977
- Certificate issued: April 3, 1996
- Expires: May 31, 2027
- Mode S code: A43317
- Registered owner: [Eaa Aviation Foundation Inc](https://openairdocs.org/faa-owner/EAA%20AVIATION%20FOUNDATION%20INC)
- Location: [Oshkosh, WI](https://openairdocs.org/faa-place/WI/Oshkosh)
- Owner type: Corporation
- Owner's area on the map: 44.0232° N, 88.5623° W: Placed by OpenAirDocs: center of Oshkosh, WI, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=37SW
- Page: https://openairdocs.org/aircraft/N37SW

From the FAA registry file of October 21, 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 (Wittman TAILWIND WO)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N37SW.

## FAA accident and incident reports

None matched to N37SW.

## Service difficulty reports

None filed for this aircraft.

## Related

- Other Wittman TAILWIND WO aircraft: https://openairdocs.org/model/wittman-tailwind-wo/aircraft.md
- STCs for the Wittman TAILWIND WO: https://openairdocs.org/model/wittman-tailwind-wo/stcs.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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