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The pilot of VH-KST, a Cessna 210M aircraft, was instructed to extend the first crosswind leg of his circuit for Runway 36 to allow the departure of VH-JSH, a DHC-8 aircraft from Runway 29. As JSH rotated for takeoff, KST turned downwind and crossed in front of JSH. The crew of JSH saw KST but did not take evasive action. JSH passed approximately 1,000 m behind KST at the same altitude, about 1,000 ft AMSL. The pilot of JSH confirmed the miss-distance estimation. The investigation revealed that the pilot of KST did not recall any ATC instructions to maintain first crosswind. The transcript of communications of the automatic voice recording (AVR) tape showed that the pilot acknowledged the crosswind instruction but did not respond to three subsequent transmission directed to his aircraft by the tower controller. The chief pilot of the company which operated KST was on the aircraft supervising the pilot in command. He said that the communications system in the aircraft had an unserviceability which resulted in the pilot operating the VHF radio with a headset and a hand microphone. The supervising pilot was not able to monitor air to air communications due to the unserviceability.

Download Final Report
[ Download PDF: 13KB]
General details
Date: 06 January 1999 Investigation status: Completed 
Time: 16:35 CST  
 Investigation type: Occurrence Investigation 
 Occurrence type: Loss of separation 
Release date: 03 March 1999 Occurrence class: Airspace 
Report status: Final Occurrence category: Incident 
Aircraft 1 details
Aircraft manufacturer: Cessna Aircraft Company 
Aircraft model: 210M 
Aircraft registration: VH-KST 
Sector: Piston 
Damage to aircraft: Nil 
Departure point:Darwin NT
Destination:Darwin NT
Aircraft 2 details
Aircraft manufacturer: de Havilland Canada 
Aircraft model: DHC-8-202 
Aircraft registration: VH-JSH 
Sector: Turboprop 
Damage to aircraft: Nil 
Departure point:Darwin NT
Destination:McArthur River NT
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Last update 28 October 2014