Aviation safety investigations & reports

Aircraft proximity event between an Alpha Aviation R2160, VH NZT and a Diamond DA 40, VH UNH, 13 km NW of Bankstown Airport, NSW, 17 January 2013

Investigation number:
AO-2013-017
Status: Completed
Investigation completed

Summary

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On 17 January 2013, the flight instructor and student pilot of an Alpha Aviation R2160 aircraft, registered VH-NZT (NZT), had completed a training flight in the local training area to the west of Bankstown, New South Wales. They were returning to Bankstown via the ‘Prospect Reservoir’ (Prospect) visual flight rules (VFR) approach point, maintaining 1,500 ft.

At the same time, the instructor and student of a Diamond DA 40 aircraft, registered VH-UNH (UNH), were also returning to Bankstown via Prospect after conducting flying training in the local training area. They had been operating between 2,500 and 3,500 ft and elected to conduct a shallow descent to arrive at Prospect maintaining 1,500 ft.

When about 3.5 NM from Prospect, UNH passed overhead NZT with about 500 ft vertical separation. Shortly after, vertical separation reduced to 200 ft, with 0.2 NM lateral separation.

This incident highlights the importance of maintaining traffic clearance ahead and below, and for pilots to be mindful of aircraft blind spots.

 

Aviation Short Investigation Bulletin – Issue 17

Download Final Report
[Download  PDF: 157KB]
 
 
Alternate: [Download  DOC: 728KB]
 
General details
Date: 17 January 2013   Investigation status: Completed  
Time: 1550 ESuT    
Location   (show map): 13 km NW Bankstown Airport   Investigation type: Occurrence Investigation  
State: New South Wales   Occurrence type: Near collision  
Release date: 23 April 2013   Occurrence class: Airspace  
Report status: Final   Occurrence category: Serious Incident  
  Highest injury level: None  

Aircraft 1 details

Aircraft 1 details
Aircraft manufacturer Alpha Aviation Design Ltd  
Aircraft model R-2160  
Aircraft registration VH-NZT  
Serial number 372  
Type of operation Flying Training  
Damage to aircraft Nil  
Departure point Bankstown, NSW  
Destination Bankstown, NSW  

Aircraft 2 details

Aircraft 2 details
Aircraft manufacturer Diamond Aircraft Industries  
Aircraft model DA40  
Aircraft registration VH-UNH  
Serial number 40.1071  
Type of operation Flying Training  
Damage to aircraft Nil  
Destination Bankstown, NSW  
Last update 14 November 2018