# N5555M: 1966 Aero Commander 100A, registration cancelled 2012-08-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 23, 2012
- Status when cancelled: Revoked, canceled
- Airframe: [Aero Commander 100A](https://openairdocs.org/model/aero-commander-100a) (registry code 0140204)
- Engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506)
- Data sheets: [TCDS E-229](https://openairdocs.org/tcds/E-229) (OpenAirDocs)
- Serial number: 015
- Year built: 1966
- Type of aircraft: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Standard
- Certificate issued: September 20, 1976
- Last registry action: July 9, 1977
- Mode S code: A71511
- Owner when cancelled: [Dunham Robert L](https://openairdocs.org/faa-owner/DUNHAM%20ROBERT%20L)
- Location: [Santa Ana, CA](https://openairdocs.org/faa-place/CA/Santa%20Ana)
- Owner type: Individual
- Owner's area on the map: 33.7211° N, 117.9051° W: Placed by OpenAirDocs at the center of ZIP code 92704, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N5555M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5555M
- Page: https://openairdocs.org/deregistered/N5555M-2012-08-23

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 Aero Commander 100A: https://openairdocs.org/model/aero-commander-100a.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 NYC69F0348](https://openairdocs.org/ntsb/NYC69F0348), Feb 22, 1969: Aero Comdr 100A (N5555M), Groton, CT, substantial damage

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