# N21688: 1938 Piper J3F-50, registration cancelled 1941-04-09

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 9, 1941
- Status when cancelled: Valid registration
- Airframe: [Piper J3F-50](https://openairdocs.org/model/piper-j3f-50) (registry code 7100528)
- Data sheets: [TCDS A-692](https://openairdocs.org/tcds/A-692) (OpenAirDocs)
- Serial number: 2574
- Year built: 1938
- Type of aircraft: Fixed wing single engine
- Certificate issued: January 3, 1941
- Mode S code: A1D35D
- Owner when cancelled: [Robertson Aircraft Corp](https://openairdocs.org/faa-owner/ROBERTSON%20AIRCRAFT%20CORP)
- Location: [Robertson, MO](https://openairdocs.org/faa-place/MO/Robertson)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N21688
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21688
- Page: https://openairdocs.org/deregistered/N21688-1941-04-09

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 Piper J3F-50: https://openairdocs.org/model/piper-j3f-50.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.
