# N4991M: Piper PA-11, registration cancelled 1950-11-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 13, 1950
- Status when cancelled: Valid registration
- Airframe: [Piper PA-11](https://openairdocs.org/model/piper-pa-11) (registry code 7101102)
- Data sheets: [TCDS A-691](https://openairdocs.org/tcds/A-691) (OpenAirDocs)
- Serial number: 11-478
- Type of aircraft: Fixed wing single engine
- Certificate issued: June 21, 1948
- Mode S code: A6340E
- Owner when cancelled: [Speer Flying Service](https://openairdocs.org/faa-owner/SPEER%20FLYING%20SERVICE)
- Location: [El Cajon, CA](https://openairdocs.org/faa-place/CA/El%20Cajon)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N4991M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4991M
- Page: https://openairdocs.org/deregistered/N4991M-1950-11-13

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 PA-11: https://openairdocs.org/model/piper-pa-11.md

## Other aircraft with N4991M

- [Registered now](https://openairdocs.org/aircraft/N4991M): Beech 58P, S/N TJ-146, built 1978

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