# N4WM: Gehlken Herbert S SMYTH SIDEWINDER, registration cancelled 2012-06-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 27, 2012
- Status when cancelled: Sale reported, pending cancellation
- Airframe: [Gehlken Herbert S SMYTH SIDEWINDER](https://openairdocs.org/model/gehlken-herbert-s-smyth-sidewinder) (registry code 0564938)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 212470
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: February 4, 1987
- Last registry action: June 25, 2008
- Mode S code: A4A9EF
- Location: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)
- Owner type: Individual
- Owner's area on the map: 35.4676° N, 97.5164° W: Placed by OpenAirDocs: center of Oklahoma City, OK, within about 14 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4WM
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4WM
- Page: https://openairdocs.org/deregistered/N4WM-2012-06-27

From the FAA registry file of October 28, 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 Gehlken Herbert S SMYTH SIDEWINDER: https://openairdocs.org/model/gehlken-herbert-s-smyth-sidewinder.md

## Other aircraft with N4WM

- [Registered now](https://openairdocs.org/aircraft/N4WM): Cirrus Design SR22T, S/N 10745, built 2025

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