Aviation safety investigations & reports

Aircraft proximity event between a Piper PA-44, VH-MHZ and a Hawker G36, VH-JKL, 4 km WNW Bankstown Airport, NSW, 19 January 2013

Investigation number:
AO-2013-019
Status: Completed
Investigation completed

Summary

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On 19 January 2013, when at the ‘2RN’ VFR approach point, the pilot of a Piper PA-44 aircraft, registered VH-MHZ (MHZ), attempted to broadcast an inbound call to Bankstown Tower, however, the pilot reported that the call was over-transmitted. Shortly after, a second inbound call was broadcast, which the pilot reported was again over-transmitted. The pilot of MHZ determined that communications with Bankstown Tower could not be established due to radio congestion and he elected to maintain his current heading and altitude. The aircraft subsequently entered the Bankstown control zone (CTR) without a clearance.

Soon after, the pilot and passenger of a Hawker G36 aircraft, registered VH-JKL, observed an unidentified aircraft in their 2 o’clock position at about the same altitude. Shortly after, air traffic control advised the pilot of JKL of an unidentified aircraft to the south, about 0.5 NM away. The pilot replied that he would descend and monitor the aircraft. The pilot reported descending 50-100 ft and conducting a slight right turn. As MHZ passed overhead JKL, vertical separation reduced to 200 ft and then increased to 400 ft as JKL descended.

The Civil Aviation Safety Authority visual flight rules guide recommends that pilots should consider initiating radio contact with air traffic control far enough away from the CTR boundary to preclude entering Class D airspace before two-way communications are established. This is particularly important when operating into busy airports such as Bankstown.

 

Aviation Short Investigation Bulletin - Issue 18

Download Final Report
[Download  PDF: 251KB]
 
 
Alternate: [Download  DOC: 1.7MB]
 
General details
Date: 19 January 2013   Investigation status: Completed  
Time: 1029 ESuT    
Location   (show map): 4 km WNW Bankstown Airport   Investigation type: Occurrence Investigation  
State: New South Wales   Occurrence type: Near collision  
Release date: 17 May 2013   Occurrence class: Airspace  
Report status: Final   Occurrence category: Serious Incident  
  Highest injury level: None  

Aircraft 1 details

Aircraft 1 details
Aircraft manufacturer Piper Aircraft Corp  
Aircraft model PA-44  
Aircraft registration VH-MHZ  
Serial number 44-7995103  
Type of operation Aerial Work  
Damage to aircraft Nil  
Destination Bankstown NSW  

Aircraft 2 details

Aircraft 2 details
Aircraft manufacturer Hawker Beechcraft Corporation  
Aircraft model 36  
Aircraft registration VH-JKL  
Serial number E-3974  
Type of operation Private  
Damage to aircraft Nil  
Destination Bankstown NSW  
Last update 14 November 2018