# NTSB ENG10RA063: AgustadWestland AW139, Hong Kong, Hong Kong SAR China, July 3, 2010

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Foreign investigation
- Date: July 3, 2010
- Place: Hong Kong, Hong Kong SAR China
- Highest injury: No injuries
- Status: Led by another country's authority
- NTSB office: Aviation Engineering Division
- Lead agency: Other
- NTSB case key (mKey): 78155
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ENG10RA063
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/78155/pdf
- Page: https://openairdocs.org/ntsb/ENG10RA063

## Factual narrative

On July 3, 2010, a Sky-Shuttle Helicopter AugustaWestland AW139 helicopter, operated as East Asia Airlines, registration number B-MHJ, experienced a tail rotor and tailrotor gearbox separation over Victoria Harbor, Hong Kong shortly after departure from the Hong Kong-Sky Shuttle Heliport. The flight crew reported hearing a loud bang and had no pedal authority. The flight crew performed an autorotation into Victoria Harbor. All thirteen occupants on board exited the helicopter after ditching. The helicopter, tail rotor assembly and tailrotor gearbox were recovered with the exception of one of the tail rotor blades. Examination of the tail rotor blade hub revealed that the white blade had separated at the blade root area. The investigation is under the jurisdiction of the government of Hong Kong. Further information pertaining to this accident may be obtained from: HONG KONG Civil Aviation Department Queensway Government Offices, 46th Floor 66 Queensway Hong Kong China Tel.: (852) 2-867 4332 E-mail: cadadmin@vol.net Fax: (852) 2-869 0093 AFTN: VHHHYAYX Telex: 61361 CADHK HX This report is for informational purposes only and contains only information obtained for, or released by, the Government of Hong Kong.

## Aircraft

- Registration: B-MHJ (not matched to a registry record)
- Reported make and model: AgustadWestland AW139
- Category: Helicopter
- Serial number: 31222
- Engines: Pratt & WhitneyCanada PT6C-67C turbo shaft
- Damage: Destroyed
- Flight: Non-U.S., commercial
- Registered owner: Sky Shuttle Helicopters operating as East Asia Air
- Departed: Hong Kong
- Destination: Macau Guangdong
- Flight plan: Unknown
- Airport: Hong Kong-Sky Shuttle Heliport

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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