# N4331U: 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: May 1, 2021
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4331U
- Page: https://openairdocs.org/aircraft/N4331U

## Aircraft that carried N4331U

- [Cancelled 2021-05-01](https://openairdocs.org/deregistered/N4331U-2021-05-01): Cessna 150D, S/N 15060331, built 1964. Expired dealer. Owner: [R&R Unlimited Inc](https://openairdocs.org/faa-owner/R%26R%20UNLIMITED%20INC), [Middletown, DE](https://openairdocs.org/faa-place/DE/Middletown)

## NTSB investigations on N4331U (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 MIA71DKG65](https://openairdocs.org/ntsb/MIA71DKG65), Jul 18, 1970: Cessna 150 (N4331U), Atlanta, GA, substantial damage
- [NTSB MIA68D0348](https://openairdocs.org/ntsb/MIA68D0348), Dec 3, 1967: Cessna 150 (N4331U), Douglasville, GA, substantial damage

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.