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On 1 May 2008 at about 2216 Eastern Standard Time, an Airbus Industrie A320 aircraft, registered VH-VQS, was conducting the runway 32L (left) instrument landing system missed approach procedure at Launceston Aerodrome, Tasmania. During the climb, the A320 came into close proximity with a Boeing Company 737 that was manoeuvring at 3,100 ft above mean sea level about 5 NM (9 km) to the north-west of the aerodrome. The lateral separation between the aircraft reduced to within 3 NM (5 km) and zero vertical separation as the A320 climbed through 3,100 ft. No Traffic Alert and Collision Avoidance System alerts were generated during the occurrence.

Both aircraft were operating scheduled passenger services from Melbourne, Victoria and had arrived at Launceston outside the normal operating hours of the Launceston air traffic control tower. Separation between the aircraft was therefore the responsibility of the respective flight crews. In this instance, a breakdown in the communication and interpretation of the respective flight crews' separation planning contributed to the proximity event.

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[ Download PDF: 258KB]
 
 
 
 
General details
Date: 01 May 2008 Investigation status: Completed 
Time: 2205 EST  
Location   (show map):Launceston Investigation type: Occurrence Investigation 
State: Tasmania Occurrence type: Separation issue 
Release date: 30 June 2010 Occurrence class: Airspace 
Report status: Final Occurrence category: Incident 
 Highest injury level: None 
 
Aircraft 1 details
Aircraft manufacturer: The Boeing Company 
Aircraft model: 737 
Aircraft registration: VH-VOQ  
Serial number: 33798 
Type of operation: Air Transport High Capacity 
Damage to aircraft: Nil 
Departure point:Melbourne Vic.
Destination:Launceston Tas.
Aircraft 2 details
Aircraft manufacturer: Airbus Industrie 
Aircraft model: A320 
Aircraft registration: VH-VQS  
Serial number: 2515 
Type of operation: Air Transport High Capacity 
Damage to aircraft: Nil 
Departure point:Melbourne Vic.
Destination:Launceston Tas.
 
 
 
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Last update 14 November 2018