# N146DU: 2011 Eurocopter Deutschland MBB-BK 117 C-2, registration cancelled 2020-08-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 21, 2020
- Status when cancelled: First renewal notice
- Airframe: [Eurocopter Deutschland MBB-BK 117 C-2](https://openairdocs.org/model/eurocopter-deutschland-mbb-bk-117-c-2) (registry code 5626002)
- Engine: [Turbomeca ARRIEL-1E2](https://openairdocs.org/engine/turbomeca-arriel-1e2) (registry code 60035)
- Data sheets: [TCDS H13EU](https://openairdocs.org/tcds/H13EU), [TCDS E19EU](https://openairdocs.org/tcds/E19EU) (OpenAirDocs)
- Serial number: 9474
- Year built: 2011
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, transport
- Airworthiness date: March 27, 2012
- Certificate issued: December 6, 2011
- Last registry action: July 26, 2017
- Mode S code: A0B958
- Owner when cancelled: [Duke University Health System Inc](https://openairdocs.org/faa-owner/DUKE%20UNIVERSITY%20HEALTH%20SYSTEM%20INC)
- Location: [Durham, NC](https://openairdocs.org/faa-place/NC/Durham)
- Owner type: Corporation
- Owner's area on the map: 35.9940° N, 78.8986° W: Placed by OpenAirDocs: center of Durham, NC, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N146DU
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=146DU
- Page: https://openairdocs.org/deregistered/N146DU-2020-08-21

From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Eurocopter Deutschland MBB-BK 117 C-2: https://openairdocs.org/model/eurocopter-deutschland-mbb-bk-117-c-2.md

## Service difficulty reports (3)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR QMLA2017022717022](https://openairdocs.org/sdr/QMLA2017022717022), Feb 27, 2017: FRAME. CRACKED. FOUND A .780 INCH CRACK FOUND IN THE UPPER FRAME DURING INSPECTION OF TAIL BOOM AFTER REMOVAL OF HORIZONTAL STABILIZER. REPLACED THE UPPER AND LOWER FRAMES.
- [SDR QMLA2016091916105](https://openairdocs.org/sdr/QMLA2016091916105), Sep 19, 2016: GEARBOX. MAKING METAL. DURING THE COMPLETION OF AAIP C 0521 100 HOUR INSPECTION STEP 13 NOTICED A EXCESSIVE AMOUNT OF FUZZ ON THE MAGNETIC CHIP DETECTOR. REFERENCED AMM 65-22-00,6-1 A
- [SDR QMLA2012081012128](https://openairdocs.org/sdr/QMLA2012081012128), Aug 10, 2012: UNKNOWN. ODOR. IN LEVEL FLIGHT, CREW DETECTED ODOR IN AFT CABIN SPREADING FORWARD TO COCKPIT. NOT ELECTRICAL, BUT MORE OF SOMETHING GETTING VERY HOT BUT NOT QUITE BURNING. AIR

## NTSB investigations (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 (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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