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On 31 January 2011, a Boeing Company Aircraft 777-3ZGER, registered VH-VPH, was en-route from Phuket, Thailand to Melbourne, Victoria. When the aircraft was 170 NM north of Jakarta, Indonesia it encountered a period of sudden and unexpected turbulence. Six cabin crew members and four passengers received minor injuries.

At the time of the incident, the aircraft was established in the cruise and flying in cloud. The weather radar showed no significant weather in the immediate vicinity of the aircraft.

The flight continued to Melbourne where two cabin crew members consulted with paramedics, however no medical treatment was required.

The operator is considering including details of this occurrence in flight crew and cabin crew training to improve general crew awareness on the practical aspects of turbulence management and the importance of cabin discipline particularly relating to the handling of cabin equipment.

The operator is also considering changing a number of internal procedures to improve or standardise processes related to reporting injuries, providing support to crew in remote ports and assessing when crew are fit to return to duty.

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General details
Date: 31 January 2011 Investigation status: Completed 
Time: 2130 UTC  
Location   (show map):Jakarta, N M 315 km Investigation type: Occurrence Investigation 
State: International Occurrence type: Turbulence/windshear/microburst 
Release date: 16 May 2011 Occurrence class: Environment 
Report status: Final Occurrence category: Incident 
 Highest injury level: Minor 
Aircraft details
Aircraft manufacturer: The Boeing Company 
Aircraft model: 777 
Aircraft registration: VH-VPH 
Serial number: 37943 
Type of operation: Air Transport High Capacity 
Damage to aircraft: Nil 
Departure point:Phuket, Thailand
Destination:Melbourne, Vic.
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Last update 01 March 2016