# N56MU: 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 23, 2017
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=56MU
- Page: https://openairdocs.org/aircraft/N56MU

## Aircraft that carried N56MU

- [Cancelled 2017-05-23](https://openairdocs.org/deregistered/N56MU-2017-05-23): Robinson Helicopter R22 ALPHA, S/N 0458, built 1984. Registration expired, pending cancellation. Owner: [Firefly Leasing Inc](https://openairdocs.org/faa-owner/FIREFLY%20LEASING%20INC), [South Carver, MA](https://openairdocs.org/faa-place/MA/South%20Carver)

## NTSB investigations on N56MU (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 NYC03CA207](https://openairdocs.org/ntsb/NYC03CA207), Sep 28, 2003: Robinson R-22A (N56MU), Bedford, MA, substantial damage. Probable cause: The certified flight instructor's failure to maintain ground clearance and his delayed remedial action, which resulted in a rollover.

## FAA accident and incident reports on N56MU (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 20030928024339A](https://openairdocs.org/incident/20030928024339A), Sep 28, 2003: Robsin R22ALPHA (N56MU), Bedford, MA, Substantial damage. (-23) N56MU, R-22-alpha, while doing hover work over whiskey taxiway caught its skid in the high grass/dirt that resulted in a dynamic rollover at Bedford…

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