# N501SU: 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: June 17, 2020
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=501SU
- Page: https://openairdocs.org/aircraft/N501SU

## Aircraft that carried N501SU

- [Cancelled 2020-06-17](https://openairdocs.org/deregistered/N501SU-2020-06-17): Hughes 369A (OH-6A), S/N 480435, built 1967. Exported to Philippines. Owner: [Daves Helicopter Service Inc](https://openairdocs.org/faa-owner/DAVES%20HELICOPTER%20SERVICE%20INC), Port Villa

## NTSB investigations on N501SU (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 ANC09LA110](https://openairdocs.org/ntsb/ANC09LA110), Sep 29, 2009: Hughes 369A (OH-6A) (N501SU), Palmer, AK, substantial damage. Probable cause: A partial loss of engine power after take off for an undetermined reason, which resulted in a hard landing.

## FAA accident and incident reports on N501SU (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 20090928049869A](https://openairdocs.org/incident/20090928049869A), Sep 28, 2009: Hughes 369A (OH-6A (N501SU), Wasilla, AK, Substantial damage. The pilot and owner of the helicopter told investigators that during climb from a hover the aircraft experienced a sudden loss of power at approximately 25…

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