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On 15 April 2007, a Boeing Company 747-438 aircraft, registered VH-OJR, was being operated on a scheduled passenger flight from Singapore to Sydney, NSW. On board the aircraft were 19 crew and 355 passengers. At 1923 Eastern Standard Time, the aircraft was about 100 ft above ground level prior to landing on runway 16 Right (16R) when it encountered a significant and rapid change in wind conditions. The aircraft touched down heavily and the windshear warning sounded in the cockpit. The crew conducted the windshear escape manoeuvre and made a second approach and landing.

The airport was under the influence a line of high-based thunderstorms associated with light, intermittent rain. Investigation revealed that the aircraft was influenced by outflow descending from a high-based storm cell that developed into a microburst. The airport did not have a windshear warning system. Pilots of aircraft operating on the reciprocal runway had previously reported moderate windshear to air traffic control, and the surface wind conditions had changed rapidly. However, that information was not communicated to the occurrence aircraft by air traffic control.

In response to this occurrence, the Bureau of Meteorology commenced a Sydney Airport Wind Shear Study to assess options for providing the aviation industry with low altitude windshear alerts. That study is scheduled for completion in April 2010.

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Download Preliminary Report
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Preliminary report released 24 July 2007

On 15 April 2007, a Boeing Company 747-438 aircraft, registered VH-OJR, was being operating on a scheduled passenger flight from Singapore to Sydney, NSW. At 1923 Eastern Standard Time, the aircraft was positioned on a short final approach for a landing on runway 16R when it encountered rapidly changing wind conditions. The aircraft touched down firmly and the crew conducted a go around.

The investigation is continuing.

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General details
Date: 15 April 2007 Investigation status: Completed 
Time: 19:23 EST Investigation type: Occurrence Investigation 
Location   (show map):Sydney Airport Occurrence type:Hard landing 
State: New South Wales Occurrence class: Operational 
Release date: 21 December 2009 Occurrence category: Serious Incident 
Report status: Final Highest injury level: None 
 
Aircraft details
Aircraft manufacturer: The Boeing Company 
Aircraft model: 747 
Aircraft registration: VH-OJR 
Serial number: 25547 
Type of operation: Air Transport High Capacity 
Damage to aircraft: Nil 
Departure point:Singapore
Destination:Sydney, NSW
Crew details
RoleClass of licenceHours on typeHours total
Pilot-in-CommandATPLSubstantial18,666

Appendices

  • Appendix A: Bureau of Meterology report [Download PDF Download PDF: 5.89MB]
  • Appendix B, C & D: [Download PDF Download PDF: 1.01MB] Appendix B: Analysis by aircraft manufacturer
    Appendix C: Analysis by EGPWS manufacturer
    Appendix D: Sources and submissions
 
 
 
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Last update 13 May 2014