# N4SN: 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: December 18, 2008
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4SN
- Page: https://openairdocs.org/aircraft/N4SN

## Aircraft that carried N4SN

- [Cancelled 2008-12-18](https://openairdocs.org/deregistered/N4SN-2008-12-18): Ridge VARIEZE, S/N 133, built 1978. Triennial form not returned. Owner: [Roszell Casey R](https://openairdocs.org/faa-owner/ROSZELL%20CASEY%20R), [Hueytown, AL](https://openairdocs.org/faa-place/AL/Hueytown)

## NTSB investigations on N4SN (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 LAX82FVD15](https://openairdocs.org/ntsb/LAX82FVD15), Apr 15, 1982: Rutan Varieze (N4SN), Concord, CA, substantial damage

## FAA accident and incident reports on N4SN (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 19820415013449A](https://openairdocs.org/incident/19820415013449A), Apr 15, 1982: Amtrru VARIEZE (N4SN), Concord, CA, Substantial damage. View restricted on nose high landing. Ran off side of runway. Wiped out landing gear on a runway light.

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