# N777MM: 1973 Aero Commander 685, registration cancelled 2013-08-28

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 28, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Aero Commander 685](https://openairdocs.org/model/aero-commander-685) (registry code 0141612)
- Engine: [Continental GTSIO-520-C](https://openairdocs.org/engine/continental-gtsio-520-c) (registry code 17035)
- Data sheets: [TCDS 2A4](https://openairdocs.org/tcds/2A4), [TCDS E7CE](https://openairdocs.org/tcds/E7CE) (OpenAirDocs)
- Serial number: 12030
- Year built: 1973
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: May 4, 1973
- Certificate issued: November 13, 1978
- Last registry action: January 15, 2008
- Mode S code: AA8427
- Owner when cancelled: [Maxfield Morgan](https://openairdocs.org/faa-owner/MAXFIELD%20MORGAN)
- Location: [Stamford, CT](https://openairdocs.org/faa-place/CT/Stamford)
- Owner type: Individual
- Owner's area on the map: 41.0593° N, 73.5444° W: Placed by OpenAirDocs at the center of ZIP code 06902, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N777MM
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=777MM
- Page: https://openairdocs.org/deregistered/N777MM-2013-08-28

From the FAA registry file of October 31, 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 685: https://openairdocs.org/model/aero-commander-685.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 MKC81FA053](https://openairdocs.org/ntsb/MKC81FA053), Sep 4, 1981: Aero Comdr 685 (N777MM), Kansas City, KS, destroyed, 4 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 19810904055479A](https://openairdocs.org/incident/19810904055479A), Sep 4, 1981: Rkwell 685 (N777MM), Kansas City, KS, Destroyed, 3 fatal. Lost right engine on takeoff near end of runway. Called wrong engine. Was over gross. Unable to feather, crashed.

## Other aircraft with N777MM

- [Registered now](https://openairdocs.org/aircraft/N777MM): Raytheon B36TC, S/N EA-597, built 1997

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