# N4390U: 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: November 29, 2012
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4390U
- Page: https://openairdocs.org/aircraft/N4390U

## Aircraft that carried N4390U

- [Cancelled 2012-11-29](https://openairdocs.org/deregistered/N4390U-2012-11-29): Cessna 150D, S/N 15060390, built 1964. Registration expired, pending cancellation. Owner: [Anderson Aviation](https://openairdocs.org/faa-owner/ANDERSON%20AVIATION), [Ridgecrest, CA](https://openairdocs.org/faa-place/CA/Ridgecrest)

## NTSB investigations on N4390U (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 LAX90LA049](https://openairdocs.org/ntsb/LAX90LA049), Dec 6, 1989: Cessna 150D (N4390U), Inyokern, CA, substantial damage. Probable cause: THE PILOT'S FAILURE TO USE CARBURETOR HEAT WHEN CLIMATIC CONDITIONS WERE CONDUCIVE TO THE FORMATION OF CARBURETOR ICE.
- [NTSB LAX70DUG29](https://openairdocs.org/ntsb/LAX70DUG29), Apr 20, 1970: Cessna 150 (N4390U), El Monte, CA, substantial damage

## FAA accident and incident reports on N4390U (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 19891206050049A](https://openairdocs.org/incident/19891206050049A), Dec 6, 1989: Cessna 150D (N4390U), Inyokern, CA, Substantial damage. Engine quit. Force landed on uphill slope and rolled backward. Damaged tail. Did not use carb heat.

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