# N990UA: 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: February 5, 2022
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=990UA
- Page: https://openairdocs.org/aircraft/N990UA

## Aircraft that carried N990UA

- [Cancelled 2022-02-05](https://openairdocs.org/deregistered/N990UA-2022-02-05): Unmanned Ad-Hoc Industries HIGH ENDURANCE FOLD, S/N HEFF 002. Registration expired, pending cancellation. Owner: [Unmanned Ad-Hoc Industries Inc](https://openairdocs.org/faa-owner/UNMANNED%20AD-HOC%20INDUSTRIES%20INC), [Spring, TX](https://openairdocs.org/faa-place/TX/Spring)
- [Cancelled 2003-06-12](https://openairdocs.org/deregistered/N990UA-2003-06-12): Boeing 737-291, S/N 21980, built 1979. Triennial form not returned. Owner: [United Air Lines Inc](https://openairdocs.org/faa-owner/UNITED%20AIR%20LINES%20INC), [Elk Grove Township, IL](https://openairdocs.org/faa-place/IL/Elk%20Grove%20Township)

## NTSB investigations on N990UA (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 BFO90LA043](https://openairdocs.org/ntsb/BFO90LA043), May 11, 1990: Boeing B-737 (N990UA), Washington, DC, no damage. Probable cause: THE AIRCRAFT ENCOUNTERED TURBULENCE, RESULTING IN INJURY TO A FLIGHT ATTENDANT.

## FAA accident and incident reports on N990UA (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 19900511042579A](https://openairdocs.org/incident/19900511042579A), May 11, 1990: Boeing 737291 (N990UA), Washington, DC. Encounteered unforecast clear air turbulence on descent. A flight attendant was seriously injured.

---
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.
