# N4000Y: 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: December 5, 2012
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4000Y
- Page: https://openairdocs.org/aircraft/N4000Y

## Aircraft that carried N4000Y

- [Cancelled 2012-12-05](https://openairdocs.org/deregistered/N4000Y-2012-12-05): Robinson Helicopter R22 BETA, S/N 1367, built 1990. First renewal notice. Owner: [Hillsboro Aviation Inc](https://openairdocs.org/faa-owner/HILLSBORO%20AVIATION%20INC), [Hillsboro, OR](https://openairdocs.org/faa-place/OR/Hillsboro)
- [Cancelled 1970-10-28](https://openairdocs.org/deregistered/N4000Y-1970-10-28): Beech C-45H, S/N AF820. Owner: [New England Propeller Service Inc](https://openairdocs.org/faa-owner/NEW%20ENGLAND%20PROPELLER%20SERVICE%20INC), [Windsor Locks, CT](https://openairdocs.org/faa-place/CT/Windsor%20Locks)

## NTSB investigations on N4000Y (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 LAX08CA185](https://openairdocs.org/ntsb/LAX08CA185), Jun 17, 2008: Robinson R-22 Beta (N4000Y), Philomath, OR, substantial damage. Probable cause: The student pilot's failure to maintain rotor rpm during a pinnacle approach and the flight instructor's delayed remedial action and inadequate supervision of the flight. Contributing to the accident…
- [NTSB NYC69F0011](https://openairdocs.org/ntsb/NYC69F0011), Jun 3, 1968: Beech C-45H (N4000Y), Hartford, CT, destroyed

## FAA accident and incident reports on N4000Y (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 20080616838359A](https://openairdocs.org/incident/20080616838359A), Jun 16, 2008: Robsin R22 (N4000Y), Philomath, OR, Substantial damage. (-23) During the approach to a 4097' MSL mountain top landing area, the aircraft encountered a strong downdraft lost rotor RPM and impacted short of the…

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