Aviation safety investigations & reports

Stick shaker activation and in-flight upset involving Boeing 747, VH-OJU, 110 km SE of Hong Kong Airport, on 7 April 2017

Investigation number:
Status: Active
Investigation in progress


Updated 12 December 2017

The investigation into a stick shaker activation involving a Boeing 747, VH-OJU, 110 km SE of Hong Kong Airport (BETTY IFR), on 7 April 2017 is continuing. Investigators have now:

  • interviewed members of the flight and cabin crew
  • collected and reviewed aircraft and pilot documentation
  • reviewed the recorded flight data of the occurrence
  • obtained relevant operator and manufacturer analysis and operational documentation, and
  • reviewed the weather conditions affecting the flight.

Completion of the draft report is subject to further analysis of the nature of the stick shaker activation. On completion of the draft report and internal review, the report will be sent to directly involved parties for comment before the report is finalised and published.



Published: 12 April 2017

The ATSB is investigating a stick shaker activation involving a Qantas Boeing 747, VH-OJU, 110 km SE of Hong Kong (BETTY IFR), on 7 April 2017.

While holding at flight level 220, the flight crew received a stick shaker activation and detected airframe buffeting. The flight crew disconnected the autopilot and manoeuvred the aircraft in response. Six persons sustained minor injuries.

As part of the investigation, the ATSB will interview the flight crew and gather additional information.

A report will be released within several months.

General details
Date: 07 April 2017   Investigation status: Active  
Time: 9:50 UTC   Investigation level: Defined - click for an explanation of investigation levels  
Location   (show map): Hong Kong International Airport, SE 110 Km   Investigation phase: Final report: Approval  
State: International   Occurrence type: Stall warning  
  Occurrence category: Serious Incident  
Report status: Pending   Highest injury level: Minor  
Anticipated completion: 1st Quarter 2019    

Aircraft details

Aircraft details
Aircraft manufacturer The Boeing Company  
Aircraft model 747-438  
Aircraft registration VH-OJU  
Serial number 25566  
Operator Qantas Airways  
Type of operation Air Transport High Capacity  
Sector Jet  
Damage to aircraft Nil  
Departure point Melbourne, Vic.  
Destination Hong Kong, China  
Last update 27 November 2018