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On 25 September 2011, the pilot of a Cessna Aircraft Company 182, registered VH-MST (MST) was inbound to Toowoomba, Queensland (Qld) from Roma, Qld.  At the same time, a Schempp-Hirth Ventus 2c glider, registered VH-ULZ (ULZ) was competing in the Qld State Soaring championships and thermalling west of Toowoomba on track for Jimbour.

Whilst on descent through 4,000 ft the pilot of MST sighted a glider between 300 m and 500 m in front and at the same level.  The glider was heading directly for MST and the pilot was required to take evasive action. 

The distance between the two aircraft was estimated at 100m horizontally.

The incident highlights the need for pilots to apply the principles of 'see-and-avoid' in combination with an active listening watch on the appropriate radio frequency. Furthermore, simply having a radio is no guarantee of safety. It is imperative that pilots broadcast their position and intentions, for the performance of the more effective 'alerted see-and-avoid'.

Download Final report
[ Download PDF: 4.43MB]
 
 
 
 
General details
Date: 25 September 2011 Investigation status: Completed 
Time: 1400 EST  
Location   (show map):9 km west of Toowoomba Airport Investigation type: Occurrence Investigation 
State: Queensland Occurrence type: Near collision 
Release date: 14 March 2012 Occurrence class: Airspace 
Report status: Final Occurrence category: Serious Incident 
 Highest injury level: None 
 
Aircraft 1 details
Aircraft manufacturer: Cessna Aircraft Company 
Aircraft model: 182 
Aircraft registration: VH-MST 
Serial number: 18264628 
Type of operation: Private 
Damage to aircraft: Nil 
Departure point:Roma, QLD
Destination:Toowoomba, QLD
Aircraft 2 details
Aircraft manufacturer: Schempp-Hirth Flugzeugbau GmbH 
Aircraft model: Ventus 
Aircraft registration: VH-ULZ  
Serial number: 96 
Type of operation: Gliding 
Damage to aircraft: Nil 
Departure point:west of Toowoomba, Qld
Destination:Jimbour, Qld
 
 
 
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Last update 01 March 2016