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N146DU

Cancelled 2020
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Deregistered aircraft · 2011 Eurocopter Deutschland MBB-BK 117 C-2 · Turbomeca ARRIEL-1E2

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Cancelled
August 21, 2020
Status when cancelled
First renewal notice
Serial number
9474
Year built
2011
Type
Rotorcraft
Engine
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
Location
Durham, NC
Owner type
Corporation
Airframe modelEurocopter Deutschland MBB-BK 117 C-2TCDS H13EU · ADs, bulletins and aircraft registered nowEngine modelTurbomeca ARRIEL-1E2TCDS E19EU · Turbo-shaft

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.

NTSB investigations · 1

Matched to this aircraft by N146DU and the event date: up to this one’s cancellation.

NTSB ERA17MA316Accident · 4 fatalClass 2 · MajorFinal reportHertford, NCA 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 erroneous shutdown of the No. 1 engine, and (2) the resulting…Sep 8, 2017 · Destroyed

FAA incident reports · 1

FAA accident and incident reports matched to this aircraft by N146DU and the event date: up to this one’s cancellation.

Accident 20170908017709ACruise/Level Flight · Hertford, NCOn 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 cruise flight at 2,500 MSL encountered mechanical issues, descended rapidly, and crashed killing the…Sep 8, 2017 · Destroyed · 4 fatal

Service difficulty reports · 3

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

SDR QMLA2017022717022Frame · crackedFOUND 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.Feb 27, 2017 · N146DU · Bolkms BK117C2 · Rotorcraft Tail BoomSDR QMLA2016091916105Gearbox · making metalDURING 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 AND DETERMINED THE WEAR FELL INTO THE MASSIVE AMOUNT OF FUZZ CATEGORY AND DEEMED THE GEARBOX TO BE CHSep 19, 2016 · N146DU · Bolkms BK117C2 · Tail Rotor GearboxSDR QMLA2012081012128Unknown · odorIN 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 CONDITIONING UNIT WAS SHUTOFF AND THE ODOR DISSIPATED. ACFT RETURNED TO BASE. MECHANIC NOTHINAug 10, 2012 · N146DU · Bolkms BK117C2 · Air Distribution System