# N66U: 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: November 23, 1970
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=66U
- Page: https://openairdocs.org/aircraft/N66U

## Aircraft that carried N66U

- [Cancelled 1970-11-23](https://openairdocs.org/deregistered/N66U-1970-11-23): Parker Curtiss PUSHER, S/N 8. Owner: [Phillips Petroleum Co](https://openairdocs.org/faa-owner/PHILLIPS%20PETROLEUM%20CO)
- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N66U-undated): Mitsubishi MU-2B-25, S/N 309. Triennial form not returned

## NTSB investigations on N66U (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 DEN82AA191](https://openairdocs.org/ntsb/DEN82AA191), Sep 12, 1982: Mitsubishi MU-2B-25 (N66U), Hayden, CO, destroyed, 6 fatal

## FAA accident and incident reports on N66U (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 19820912045119A](https://openairdocs.org/incident/19820912045119A), Sep 12, 1982: Mtsbsi MU2B25 (N66U), Hayden, CO, Destroyed, 5 fatal. Pilot lost control of aircraft after left engine malfunction during takeoff. Density altitude of 8100 ft was factor.

---
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.
