# N3991E: Aeronca 11BC, registration cancelled 1970-04-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 29, 1970
- Status when cancelled: Valid registration
- Airframe: [Aeronca 11BC](https://openairdocs.org/model/aeronca-11bc) (registry code 0191106)
- Data sheets: [TCDS A-761](https://openairdocs.org/tcds/A-761) (OpenAirDocs)
- Serial number: 11BC-79
- Type of aircraft: Fixed wing single engine
- Certificate issued: October 27, 1969
- Mode S code: A4A6B8
- Owner when cancelled: [Humphries Bret W](https://openairdocs.org/faa-owner/HUMPHRIES%20BRET%20W)
- Location: [Manhattan Beach, CA](https://openairdocs.org/faa-place/CA/Manhattan%20Beach)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N3991E
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3991E
- Page: https://openairdocs.org/deregistered/N3991E-1970-04-29

From the FAA registry file of November 7, 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 Aeronca 11BC: https://openairdocs.org/model/aeronca-11bc.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 OAK70F0198](https://openairdocs.org/ntsb/OAK70F0198), Nov 11, 1969: Aeronca 11BC (N3991E), Altaville, CA, substantial damage

## Other aircraft with N3991E

- [Registered now](https://openairdocs.org/aircraft/N3991E): Jones Peter M BOEING/JONES 75, S/N AR-28

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