# N4640M: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: November 5, 2022
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4640M
- Page: https://openairdocs.org/aircraft/N4640M

## Aircraft that carried N4640M

- [Cancelled 2022-11-05](https://openairdocs.org/deregistered/N4640M-2022-11-05): Mahmood Tehrani COZY IV, S/N 01. Registration expired, pending cancellation. Owner: [Tehrani Mahmood F](https://openairdocs.org/faa-owner/TEHRANI%20MAHMOOD%20F), [Scottsdale, AZ](https://openairdocs.org/faa-place/AZ/Scottsdale)

## NTSB investigations on N4640M (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 CHI97LA249](https://openairdocs.org/ntsb/CHI97LA249), Aug 4, 1997: Beech A36 (N4640M), Chesterfield, MO, substantial damage. Probable cause: the pilot's failure to maintain proper alignment on the taxiway. Factors associated with the accident were the fence post, and the sunglare, which hindered the pilot's ability to see the fence post.

## FAA accident and incident reports on N4640M (2)

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.

- [Incident 20030803025989I](https://openairdocs.org/incident/20030803025989I), Aug 3, 2003: Beech A36 (N4640M), St Louis, MO, Minor damage. (-23) The last ATC contact with the airplane was by spirit of saint Louis tower, which cleared the pilot to transition their class d airspace enroute to 1H0.…
- [Accident 19970804021349A](https://openairdocs.org/incident/19970804021349A), Aug 4, 1997: Beech A36 (N4640M), Chesterfield, MO, Substantial damage. Aircrft struck a steel fence post while taxiing.

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