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At approximately 1537 hours Eastern Standard Time (EST) on 13 March 1974, a De Havilland Dove DH1D4 Series 5 aircraft, registered VH-WST, and a Piper Twin Comanche PA30-160B aircraft, registered VH-WWB, collided in flight above a point 3 225 metres north of Bankstown Airport, Sydney, New South Wales.

The Dove aircraft had taken-off from Bankstown Airport and was orbiting the airport at about 1 500 feet above terrain before proceeding to Sydney (Kingsford-Smith) Airport. Some two minutes later the Twin Comanche aircraft also took-off from Bankstown Airport and was proceeding to a training area in the vicinity of Camden. The collision occurred in the Bankstown Control Zone in visual meteorological conditions (VMC), and both aircraft were operating under the Visual Flight Rules (VFR).

Following the mid-air impact, both aircraft fell to the ground in a residential area of the suburb of Bass Hill, causing damage to houses and other property. The sole occupant of the Dove aircraft and the three occupants of the Twin Comanche aircraft were killed. Both aircraft were destroyed by the collision and ground impact.

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General details
Date: 13 March 1974 Investigation status: Completed 
Time: 1537 ESuT  
Location:Bankstown Investigation type: Occurrence Investigation 
State: New South Wales Occurrence type: Airborne collision 
Release date: 20 July 1974 Occurrence class: Airspace 
Report status: Final Occurrence category: Airspace 
 Highest injury level: Fatal 
Aircraft 1 details
Aircraft manufacturer: Piper Aircraft Corp 
Aircraft model: PA-30 
Aircraft registration: VH-WWB 
Serial number: 30-1034 
Type of operation: Flying Training 
Damage to aircraft: Destroyed 
Departure point:Bankstown
Aircraft 2 details
Aircraft manufacturer: de Havilland Aircraft Pty Ltd 
Aircraft model: DH-104 
Aircraft registration: VH-WST 
Serial number: 04-509 
Type of operation: Private 
Damage to aircraft: Destroyed 
Departure point:Bankstown
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Last update 13 May 2014