# N6641B: 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: May 4, 2015
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6641B
- Page: https://openairdocs.org/aircraft/N6641B

## Aircraft that carried N6641B

- [Cancelled 2015-05-04](https://openairdocs.org/deregistered/N6641B-2015-05-04): Cessna 310B, S/N 35741, built 1958. Registration expired, pending cancellation. Owner: [Duff J W DBA](https://openairdocs.org/faa-owner/DUFF%20J%20W%20DBA), [Denver, CO](https://openairdocs.org/faa-place/CO/Denver)

## NTSB investigations on N6641B (2)

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 DEN90LA098](https://openairdocs.org/ntsb/DEN90LA098), Apr 21, 1990: Cessna 310B (N6641B), Elizabeth, CO, substantial damage. Probable cause: THE PILOT'S ATTEMPT TO TAKEOFF WITH A KNOWN DEFICIENCY AND THE PARTIAL FAILURE OF THE PROPELLER FEATHERING SYSTEM.
- [NTSB LAX74FUA06](https://openairdocs.org/ntsb/LAX74FUA06), Aug 31, 1973: Cessna 310B (N6641B), Torrance, CA, minor damage, 1 fatal

## FAA accident and incident reports on N6641B (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 19730831029329A](https://openairdocs.org/incident/19730831029329A), Aug 31, 1973: Cessna 310B (N6641B), Torrance, CA, Minor damage. Left acft with 1 eng runng to pull-start otr. Mixt rich,mags on,brakes off,unchocked.

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