# N4575M: 1947 Piper PA-11, registration cancelled 1975-12-22

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 22, 1975
- 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: 11-78
- Year built: 1947
- Type of aircraft: Fixed wing single engine
- Certificate issued: February 6, 1969
- Mode S code: A58F30
- Owner when cancelled: [Roppe Neil T](https://openairdocs.org/faa-owner/ROPPE%20NEIL%20T)
- Location: [Turner, MT](https://openairdocs.org/faa-place/MT/Turner)
- Owner type: Co-owned
- The mark today: https://openairdocs.org/aircraft/N4575M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4575M
- Page: https://openairdocs.org/deregistered/N4575M-1975-12-22

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

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB SEA76AS022](https://openairdocs.org/ntsb/SEA76AS022), Oct 17, 1975: Piper PA-11 (N4575M), Turner, MT, destroyed, 3 fatal

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19751017035989A](https://openairdocs.org/incident/19751017035989A), Oct 17, 1975: Piper PA11 (N4575M), Turner, MT, Destroyed, 2 fatal. Low alt search,circling nr missing child. Plt blood alcohol 316MG .

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