# N21958: 1939 Goertz Machine Shop PIETENPOL, registration cancelled 1940-02-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 1, 1940
- Status when cancelled: Valid registration
- Airframe: [Goertz Machine Shop PIETENPOL](https://openairdocs.org/model/goertz-machine-shop-pietenpol) (registry code 056353H)
- Serial number: 1
- Year built: 1939
- Type of aircraft: Fixed wing single engine
- Certificate issued: August 26, 1938
- Mode S code: A1DE19
- Owner when cancelled: [David Andrew C](https://openairdocs.org/faa-owner/DAVID%20ANDREW%20C)
- Location: [Durham, KS](https://openairdocs.org/faa-place/KS/Durham)
- Owner type: Partnership
- The mark today: https://openairdocs.org/aircraft/N21958
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21958
- Page: https://openairdocs.org/deregistered/N21958-1940-02-01

From the FAA registry file of November 4, 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 Goertz Machine Shop PIETENPOL: https://openairdocs.org/model/goertz-machine-shop-pietenpol.md

## Other aircraft with N21958

- [Registered now](https://openairdocs.org/aircraft/N21958): Cessna A185F, S/N 18503072, built 1976

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