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Two aircraft were operating on reciprocal routes between Brisbane and Darwin when the crew of one aircraft became aware that both aircraft were flying at the same level near Mount Isa. The crew initiated avoidance action and clearance for operation at a lower level was given. Each crew saw the other aircraft pass less than 1 min later.
Download Final Report
[ Download PDF: 1.93MB]
 
 
 
 
General details
Date: 01 March 1991 Investigation status: Completed 
Time: 0922 ESuT Investigation type: Occurrence Investigation 
Location   (show map):Mount Isa Occurrence type:Breakdown of co-ordination 
State: Queensland Occurrence class: Airspace 
Release date: 20 September 1993 Occurrence category: Incident 
Report status: Final Highest injury level: None 
 
Aircraft 1 details
Aircraft manufacturer: The Boeing Company 
Aircraft model: 737 
Aircraft registration: VH-CZG 
Serial number: 23659 
Type of operation: Air Transport High Capacity 
Damage to aircraft: Nil 
Departure point:Darwin, NT
Destination:Brisbane, QLD
Aircraft 2 details
Aircraft manufacturer: The Boeing Company 
Aircraft model: 737 
Aircraft registration: VH-TJD 
Serial number: 19254 
Type of operation: Air Transport High Capacity 
Damage to aircraft: Nil 
Departure point:Brisbane, QLD
Destination:Darwin, NT
 
 
 
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Last update 13 May 2014