# N4091M: 1947 Piper PA-12, registration cancelled 2012-11-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 19, 2012
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Piper PA-12](https://openairdocs.org/model/piper-pa-12) (registry code 7101202)
- Engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505)
- Data sheets: [TCDS A-780](https://openairdocs.org/tcds/A-780), [TCDS E-223](https://openairdocs.org/tcds/E-223) (OpenAirDocs)
- Serial number: 12-2982
- Year built: 1947
- Type of aircraft: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Standard
- Airworthiness date: April 16, 1956
- Certificate issued: July 14, 1988
- Last registry action: July 11, 1994
- Mode S code: A4D097
- Owner when cancelled: [Koronowski John](https://openairdocs.org/faa-owner/KORONOWSKI%20JOHN)
- Location: [Library, PA](https://openairdocs.org/faa-place/PA/Library)
- Owner type: Individual
- Owner's area on the map: 40.2935° N, 79.9952° W: Placed by OpenAirDocs at the center of ZIP code 15129, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4091M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4091M
- Page: https://openairdocs.org/deregistered/N4091M-2012-11-19

From the FAA registry file of October 29, 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-12: https://openairdocs.org/model/piper-pa-12.md

## 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.

- [Incident 19890708045859I](https://openairdocs.org/incident/19890708045859I), Jul 8, 1989: Piper PA12 (N4091M), Monongahela, PA, Destroyed. Engine backfired during engine ground run. Fire from cowl g. unable to extinguish it. Aircraft destroyed.

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