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On 9 December 2011 a S.O.C.A.T.A. Groupe Aerospatiale TBM 700 aircraft, registered VH-VSV (VSV) departed Bankstown airport, for a private flight to Merimbula, New South Wales. Onboard the aircraft was a pilot and one passenger.

The pilot was cleared to depart Bankstown control zone on a downwind departure from runway 11 left, however mistakenly conducted an upwind departure. The aircraft penetrated Sydney controlled airspace by 2.3 NM and came within 1.2 NM with no vertical separation of another aircraft on approach into Sydney Airport and a breakdown of separation occurred.

The controller at Bankstown tower then instructed the pilot of VSV to conduct a left turn and track back overhead Bankstown airport.

This incident highlights the importance of developing a technique to ensure a clearance is processed, understood and actioned correctly. It is also important to clarify a clearance if any ambiguity exists. Finally, pre-flight planning is essential to ensure safe flight. CASA has published a Visual Pilot Guide for Archerfield, Jandakot, Melbourne, Parafield and Sydney areas to provide detailed assistance for operating in these areas.

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General details
Date: 09 December 2011 Investigation status: Completed 
Time: 1447 ESuT  
Location   (show map):9 km SW Sydney Airport Investigation type: Occurrence Investigation 
State: New South Wales Occurrence type: Loss of separation 
Release date: 25 June 2012 Occurrence class: Airspace 
Report status: Final Occurrence category: Incident 
 Highest injury level: None 
Aircraft 1 details
Aircraft manufacturer: S.O.C.A.T.A.-Groupe Aerospatiale 
Aircraft model: TBM 
Aircraft registration: VH-VSV 
Serial number: 173 
Type of operation: Private 
Damage to aircraft: Nil 
Departure point:Bankstown, NSW
Destination:Merimbula, NSW
Aircraft 2 details
Aircraft manufacturer: de Havilland Canada 
Aircraft model: DHC-8 
Aircraft registration: VH-TQG 
Serial number: 430 
Operator: Eastern Aust. Airlines 
Type of operation: Air Transport Low Capacity 
Damage to aircraft: Nil 
Departure point:Port Macquarie, NSW
Destination:Sydney, NSW
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Last update 01 March 2016