# N18381: 1937 Welch OW5M, registration cancelled 1947-09-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 29, 1947
- Status when cancelled: Valid registration
- Airframe: [Welch OW5M](https://openairdocs.org/model/welch-ow5m) (registry code 0764607)
- Data sheets: [TCDS TC 637](https://openairdocs.org/tcds/TC%20637) (OpenAirDocs)
- Serial number: 122
- Year built: 1937
- Type of aircraft: Fixed wing single engine
- Certificate issued: September 15, 1940
- Mode S code: A14F5B
- Owner when cancelled: [Mcboyle William W](https://openairdocs.org/faa-owner/MCBOYLE%20WILLIAM%20W)
- Location: [Spring Green, WI](https://openairdocs.org/faa-place/WI/Spring%20Green)
- Owner type: Individual
- Owner's area on the map: 43.1892° N, 90.0805° W: Placed by OpenAirDocs at the center of ZIP code 53588, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N18381
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=18381
- Page: https://openairdocs.org/deregistered/N18381-1947-09-29

From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Welch OW5M: https://openairdocs.org/model/welch-ow5m.md

## Other aircraft with N18381

- [Registered now](https://openairdocs.org/aircraft/N18381): Beech F33A, S/N CE-732, built 1977

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