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On 13 April 2016, an instructor and student of a Jabiru J170-D aeroplane, registered 24-7750 (7750), conducted a local training flight from Bathurst Airport, New South Wales. At about 1446 Eastern Standard Time, the aircraft arrived in the circuit, and the instructor broadcast that they were joining the circuit on an early downwind for runway 17, for a full-stop landing.

Powered aircraft were operating on runway 17 and gliders (and towing aircraft) were operating on runway 08.

Meanwhile, a student pilot of a Glaser-Dirks DG-1000S glider, registered VH-NDQ (NDQ) was conducting a solo flight at Bathurst. At about 1449, about 90 seconds after the pilot of 7750 had communicated with Glider Ground regarding glider traffic in the air, the pilot of NDQ broadcast on the Bathurst CTAF that they were on left downwind for runway 08.

After 7750 touched down on runway 17, about 100 m before the intersection with runway 08, the pilot sighted a glider (NDQ) on short final for runway 08, at an estimated 100 ft above ground level. The pilot applied full power to cross runway 08 as quickly as possible.

As 7750 landed, the pilot of NDQ assessed that there was the potential for a collision, closed the glider’s airbrakes and initiated a climb to pass over 7750. The glider then landed ahead on runway 08.

The instructor in 7750 lost sight of NDQ as it passed overhead. As 7750 accelerated with a high power setting, the instructor elected to continue a take-off and conducted a circuit before landing safely.

This incident highlights the importance of effective communication. The primary purpose of communications on the CTAF is to ensure the maintenance of appropriate separation through mutual understanding by pilots of each other’s position and intentions. Where a pilot identifies a risk of collision, that pilot should alert others as soon as possible to allow a coordinated and effective response.


Aviation Short Investigations Bulletin - Issue 51

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General details
Date: 13 April 2016 Investigation status: Completed 
Time: 14:50 EST  
Location   (show map):Bathurst Airport Investigation type: Occurrence Investigation 
State: New South Wales Occurrence type: Near collision 
Release date: 08 September 2016 Occurrence class: Operational 
Report status: Final Occurrence category: Serious Incident 
 Highest injury level: None 
Aircraft 1 details
Aircraft manufacturer: Glaser-Dirks 
Aircraft model: DG-1000S 
Aircraft registration: VH-NDQ 
Serial number: 10-223S142 
Type of operation: Flying Training 
Sector: Sport and recreational 
Damage to aircraft: Nil 
Departure point:Bathurst, NSW
Destination:Bathurst, NSW
Aircraft 2 details
Aircraft manufacturer: Jabiru Aircraft Pty Ltd 
Aircraft model: J170-D 
Aircraft registration: 24-7750 
Serial number: 308 
Type of operation: Flying Training 
Sector: Piston 
Damage to aircraft: Nil 
Destination:Bathurst, NSW
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Last update 27 June 2017