# N121MR: 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: April 4, 2018
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=121MR
- Page: https://openairdocs.org/aircraft/N121MR

## Aircraft that carried N121MR

- [Cancelled 2018-04-04](https://openairdocs.org/deregistered/N121MR-2018-04-04): Robinson Helicopter R22 ALPHA, S/N 0496, built 1985. Registration expired, pending cancellation. Owner: [Castor Aviation Ltd](https://openairdocs.org/faa-owner/CASTOR%20AVIATION%20LTD), [Wasilla, AK](https://openairdocs.org/faa-place/AK/Wasilla)

## NTSB investigations on N121MR (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 ANC17LA013](https://openairdocs.org/ntsb/ANC17LA013), Dec 18, 2016: Robinson Helicopter R22 (N121MR), Palmer, AK, substantial damage. Probable cause: The pilot's failure to maintain main rotor revolutions per minute (RPM) during a pinnacle landing, which resulted in a main rotor stall condition, a loss of control, and a subsequent impact with…
- [NTSB ANC12CA032](https://openairdocs.org/ntsb/ANC12CA032), Apr 21, 2012: Robinson Helicopter R22 Alpha (N121MR), Palmer, AK, substantial damage. Probable cause: The pilot's selection of unsuitable terrain for landing, which resulted in a tailrotor strike.

## FAA accident and incident reports on N121MR (2)

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 20161218022589A](https://openairdocs.org/incident/20161218022589A), Dec 18, 2016: Robinson Helicopter R22 ALPHA (N121MR), Hatcher Pass, AK, Substantial damage. Rotor RPM decayed on approach to pinnacle, aircraft settled on steep terrain. Tail rotor struck hill and the tail boom seperated from the aircraft. The…
- [Accident 20120421007209A](https://openairdocs.org/incident/20120421007209A), Apr 21, 2012: Robinson Helicopter R22 ALPHA (N121MR), Palmer, AK, Substantial damage. Pilot landed off airport in the snow. When collective was reduced a/c tilted to the rear. When pilot picked up the a/c the tail rotor struck the snow.

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