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At about 1717 Eastern Standard Time on 27 August 2007, a student pilot and an instructor in a Cessna Aircraft Company C172 (172), registered VH-TIX, were operating in the circuit area as the crew of a Boeing Company B737-838 (737), registered VH- VYC, was conducting a runway 01 instrument landing system (ILS) approach at Townsville Airport, Qld. The pilot of the 172 was cleared for takeoff and to make a right circuit on runway 07 from a position about 700 m along the runway. The 737 was about 1.2 NM from the runway 01 threshold and descending through 400 ft at that time.

The 737 landed on runway 01 and, as it crossed the extended centreline of runway 07, the pilot observed the 172 to pass in close proximity. Radar data and pilot estimates indicated that the 172 passed about 150 m behind the 737 at an altitude of about 100 ft. There was no separation assurance.

As a result of this incident, the local procedures at Townsville were amended to require the application of the Manual of Air Traffic Services (MATS) 4.8.9 Take-off Behind Landing or Departing Aircraft on Intersecting Runways separation standard between aircraft departing runway 07 and aircraft landing or departing runway 01/19 at Townsville. In addition, the Royal Australian Air Force (RAAF) implemented an audit project to examine the compliance of Australian Defence Force (ADF) air traffic services, instructions and procedures with civil requirements.

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General details
Date: 27 August 2007 Investigation status: Completed 
Time: 1715 EST  
Location   (show map):Townsville Airport Investigation type: Occurrence Investigation 
State: Queensland Occurrence type: Loss of separation 
Release date: 01 June 2009 Occurrence class: Airspace 
Report status: Final Occurrence category: Serious Incident 
 Highest injury level: None 
Aircraft 1 details
Aircraft manufacturer: Cessna Aircraft Company 
Aircraft model: 172 
Aircraft registration: VH-TIX 
Serial number: 17263483 
Type of operation: Flying Training 
Damage to aircraft: Nil 
Departure point:Townsville
Departure time:nk
Aircraft 2 details
Aircraft manufacturer: The Boeing Company 
Aircraft model: 737 
Aircraft registration: VH-VYC 
Serial number: 33991 
Type of operation: Air Transport High Capacity 
Damage to aircraft: Nil 
Departure point:nk
Departure time:nk
Destination:Townsville, Qld
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Last update 14 November 2018