# N4121Q: 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: September 25, 1978
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4121Q
- Page: https://openairdocs.org/aircraft/N4121Q

## Aircraft that carried N4121Q

- [Cancelled 1978-09-25](https://openairdocs.org/deregistered/N4121Q-1978-09-25): Cessna 310N, S/N 310N-0021, built 1967. Revoked, canceled. Owner: [R K M Leasing Ltd](https://openairdocs.org/faa-owner/R%20K%20M%20LEASING%20LTD), [Norwalk, CT](https://openairdocs.org/faa-place/CT/Norwalk)

## NTSB investigations on N4121Q (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 NYC79FA009](https://openairdocs.org/ntsb/NYC79FA009), Sep 25, 1978: Cessna 310N (N4121Q), Monroe, MA, destroyed, 3 fatal

## FAA accident and incident reports on N4121Q (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 19780925043679A](https://openairdocs.org/incident/19780925043679A), Sep 25, 1978: Cessna 310N (N4121Q), Monroe, MA, Destroyed, 2 fatal. Landing gear would not retract.

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