# N4031U: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 2
- Last cancelled: October 12, 2017
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4031U
- Page: https://openairdocs.org/aircraft/N4031U

## Aircraft that carried N4031U

- [Cancelled 2017-10-12](https://openairdocs.org/deregistered/N4031U-2017-10-12): Robinson Helicopter R44 II, S/N 14126. Exported to China. Owner: [Robinson Helicopter Co](https://openairdocs.org/faa-owner/ROBINSON%20HELICOPTER%20CO), [Torrance, CA](https://openairdocs.org/faa-place/CA/Torrance)
- [Cancelled 2001-01-24](https://openairdocs.org/deregistered/N4031U-2001-01-24): Cessna 150E, S/N 15061431. Owner: [Guillot Athos E Jr](https://openairdocs.org/faa-owner/GUILLOT%20ATHOS%20E%20JR), [Tucson, AZ](https://openairdocs.org/faa-place/AZ/Tucson)

## NTSB investigations on N4031U (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 LAX01LA040](https://openairdocs.org/ntsb/LAX01LA040), Nov 12, 2000: Cessna 150E (N4031U), Marana, AZ, substantial damage. Probable cause: The partial loss of engine power during cruise flight due to an improper maintenance adjustment to the float valve retractor clip of the carburetor. Factors were the lack of suitable terrain for a…
- [NTSB LAX66F0172](https://openairdocs.org/ntsb/LAX66F0172), Nov 19, 1965: Cessna 150 (N4031U), Torrance, CA, substantial damage

## FAA accident and incident reports on N4031U (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 20001112038819A](https://openairdocs.org/incident/20001112038819A), Nov 12, 2000: Cessna 150E (N4031U), Marana, AZ, Substantial damage. (-23) Four miles from the avra valley airport at 4500 ft. MSL the engine RPM dropped from 2500 cruise to 1500 RPM. The pilot stated that advancing the throttle…

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