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The Brisbane terminal area was busy and both aircraft were required to enter a holding pattern at Maroochydore. VH-EWG was to be the first of the two aircraft to land at Brisbane, but because the pilot had slowed the aircraft enroute, VH-TAY had already entered the holding pattern at a lower level than VH-EWG. When a preceding aircraft left the holding pattern on descent for landing at Brisbane, the air traffic controller responsible for the holding aircraft descended VH-EWG through the level of VH-TAY without the required lateral separation. At the time both aircraft were heading in the same direction with VH-TAY travelling at a faster speed. The controller realised his mistake and instructed VH-EWG to climb. Separation was reduced to 2.5NM instead of the required 5NM. The controller was relatively inexperienced at the control position he was working and the workload at the time was high.
Download Final Report
[ Download PDF: 13KB]
 
 
 
 
General details
Date: 09 August 1992 Investigation status: Completed 
Time: 17:30 EST Investigation type: Occurrence Investigation 
 Occurrence type:Loss of separation 
 Occurrence class: Airspace 
Release date: 20 June 1994 Occurrence category: Incident 
Report status: Final  
 
Aircraft 1 details
Aircraft manufacturer: Fokker B.V. 
Aircraft model: F28 MK 3000 
Aircraft registration: VH-EWG 
Sector: Jet 
Damage to aircraft: Nil 
Departure point:Mt Isa QLD
Destination:Brisbane QLD
Aircraft 2 details
Aircraft manufacturer: The Boeing Company 
Aircraft model: 737-376 
Aircraft registration: VH-TAY 
Sector: Jet 
Damage to aircraft: Nil 
Departure point:Townsville QLD
Destination:Brisbane QLD
 
 
 
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Last update 07 July 2015