# N4100U: 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: October 6, 2014
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4100U
- Page: https://openairdocs.org/aircraft/N4100U

## Aircraft that carried N4100U

- [Cancelled 2014-10-06](https://openairdocs.org/deregistered/N4100U-2014-10-06): Cessna 150D, S/N 15060100, built 1963. Registration expired, pending cancellation. Owner: [Sky Valley Aviators Inc](https://openairdocs.org/faa-owner/SKY%20VALLEY%20AVIATORS%20INC), [Snohomish, WA](https://openairdocs.org/faa-place/WA/Snohomish)

## NTSB investigations on N4100U (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 SEA97LA083](https://openairdocs.org/ntsb/SEA97LA083), Apr 6, 1997: Cessna 150D (N4100U), Arlington, WA, destroyed. Probable cause: The failure of the commercial pilot to perform an adequate visual lookout while on final approach for landing on the runway, and the failure of the student pilot of the other airplane to perform an…

## FAA accident and incident reports on N4100U (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.

- [Accident 19970406004912A](https://openairdocs.org/incident/19970406004912A), Apr 6, 1997: Cessna 150D (N4100U), Arlington, WA, Destroyed. Solo flight, vertical stabilizer was hit by N45WA which was landing. Flipped over and crashed on runway. (.4) the solo student pilot of a Cessna taxied onto…
- [Incident 19970308007899I](https://openairdocs.org/incident/19970308007899I), Mar 8, 1997: Cessna 150D (N4100U), Mount Vernon, WA. Narrative: on March 8, 1997, george hammer departed auburn municipal airport (S50), WA., enroute to harvey field, (S43), snohomish, WA. At approximately 2215…

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