# N146DU: 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: August 21, 2020
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=146DU
- Page: https://openairdocs.org/aircraft/N146DU

## Aircraft that carried N146DU

- [Cancelled 2020-08-21](https://openairdocs.org/deregistered/N146DU-2020-08-21): Eurocopter Deutschland MBB-BK 117 C-2, S/N 9474, built 2011. First renewal notice. Owner: [Duke University Health System Inc](https://openairdocs.org/faa-owner/DUKE%20UNIVERSITY%20HEALTH%20SYSTEM%20INC), [Durham, NC](https://openairdocs.org/faa-place/NC/Durham)

## NTSB investigations on N146DU (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 ERA17MA316](https://openairdocs.org/ntsb/ERA17MA316), Sep 8, 2017: Eurocopter Deutschland MBB BK 117 (N146DU), Hertford, NC, destroyed, 4 fatal. Probable cause: A failure of the rear bearing in the No. 2 engine, which (1) created multiple and likely unexpected and confusing cockpit indications, resulting in the pilot's improper diagnosis and subsequent…

## FAA accident and incident reports on N146DU (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 20170908017709A](https://openairdocs.org/incident/20170908017709A), Sep 8, 2017: Eurocopter Deutschland Gmbh MBB-BK 117 C-2 (N146DU), Hertford, NC, Destroyed, 4 fatal. On September 8, 2017 at approximately 11:20AM EDT, an Airbus helicopters mbb-bk 117 C-2 operating as a FAA part 135 on demand air ambulance flight, while in…

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