# N40MA: 1975 Aero Commander 500 S, registration cancelled 1981-09-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 30, 1981
- Status when cancelled: Valid registration
- Airframe: [Aero Commander 500 S](https://openairdocs.org/model/aero-commander-500-s) (registry code 0141107)
- Data sheets: [TCDS 6A1](https://openairdocs.org/tcds/6A1) (OpenAirDocs)
- Serial number: 3234
- Year built: 1975
- Type of aircraft: Fixed wing multi engine
- Certificate issued: May 13, 1975
- Mode S code: A4AB5C
- Owner when cancelled: [Mercury Aircraft Inc](https://openairdocs.org/faa-owner/MERCURY%20AIRCRAFT%20INC)
- Location: [Hammondsport, NY](https://openairdocs.org/faa-place/NY/Hammondsport)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N40MA
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=40MA
- Page: https://openairdocs.org/deregistered/N40MA-1981-09-30

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 500 S: https://openairdocs.org/model/aero-commander-500-s.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 NYC78FA091](https://openairdocs.org/ntsb/NYC78FA091), Sep 11, 1978: Aero Comdr 500S (N40MA), Hammondsport, NY, substantial damage, 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 19780911043509A](https://openairdocs.org/incident/19780911043509A), Sep 11, 1978: Rkwell 500S (N40MA), Hammondsport, NY, Destroyed, 2 fatal. Aircraft approach toward rising terrain.

## Other aircraft with N40MA

- [Registered now](https://openairdocs.org/aircraft/N40MA): Piper PA46-500TP, S/N 4697354, built 2008

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