# N7940H: 1946 Piper PA-12, registration cancelled 2021-10-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 2, 2021
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Piper PA-12](https://openairdocs.org/model/piper-pa-12) (registry code 7101202)
- Engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506)
- Data sheets: [TCDS A-780](https://openairdocs.org/tcds/A-780), [TCDS E-229](https://openairdocs.org/tcds/E-229) (OpenAirDocs)
- Serial number: 12-844
- Year built: 1946
- Type of aircraft: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Standard
- Airworthiness date: April 11, 1956
- Certificate issued: September 30, 2004
- Last registry action: March 14, 2018
- Mode S code: AAC941
- Owner when cancelled: [Harper Henry A](https://openairdocs.org/faa-owner/HARPER%20HENRY%20A)
- Location: [Aledo, TX](https://openairdocs.org/faa-place/TX/Aledo)
- Owner type: Individual
- Owner's area on the map: 32.6825° N, 97.6265° W: Placed by OpenAirDocs at the center of ZIP code 76008, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N7940H
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7940H
- Page: https://openairdocs.org/deregistered/N7940H-2021-10-02

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-12: https://openairdocs.org/model/piper-pa-12.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 SEA01LA047](https://openairdocs.org/ntsb/SEA01LA047), Feb 8, 2001: Piper PA-12 (N7940H), Bozeman, MT, substantial damage. Probable cause: The pilot rated passenger's failure to maintain directional control during the landing. A factor was the snow berm which the aircraft rolled into during the landing.

## 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 20010208001119A](https://openairdocs.org/incident/20010208001119A), Feb 8, 2001: Piper PA12 (N7940H), Bozeman, MT, No damage. (-23) The pilot-in-command stated he was performing touch and goes. Passenger (also a pilot) states previous touch and go was not fully under control. Aircraft…

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