# N509N: Curtiss Wright ROBIN 4C-1A, registration cancelled 1941-05-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 1, 1941
- Status when cancelled: Valid registration
- Airframe: [Curtiss Wright ROBIN 4C-1A](https://openairdocs.org/model/curtiss-wright-robin-4c-1a) (registry code 2620810)
- Data sheets: [TCDS ATC 309](https://openairdocs.org/tcds/ATC%20309) (OpenAirDocs)
- Serial number: 702
- Type of aircraft: Fixed wing single engine
- Certificate issued: February 27, 1939
- Mode S code: A65C8B
- Owner when cancelled: [Porter William H](https://openairdocs.org/faa-owner/PORTER%20WILLIAM%20H)
- Location: [Modesto, CA](https://openairdocs.org/faa-place/CA/Modesto)
- Owner type: Partnership
- The mark today: https://openairdocs.org/aircraft/N509N
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=509N
- Page: https://openairdocs.org/deregistered/N509N-1941-05-01

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 Curtiss Wright ROBIN 4C-1A: https://openairdocs.org/model/curtiss-wright-robin-4c-1a.md

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