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On 7 February 2009, five aircraft were engaged in circuit training and one aircraft was departing runway 03 left (03L) at Parafield Airport, SA. All of the aircraft in the circuit at the time were operated by a local flight school. The control tower was not open and Common Traffic Advisory Frequency - carriage and use of radio required, CTAF (R), procedures were in place.

At about 0736 Central Daylight-saving Time, a S.O.C.A.T.A.-Groupe Aerospatiale TB-10 (Tobago), registered VH-YTG, with an instructor and student on board, was on final approach for a practice short field landing. In the circuit behind the Tobago was a Grob - Burkhaart Flugzeugbau G-115 (Grob), registered VH-TGM, with an instructor and student on board. The Grob was on final approach for a practice flapless approach and landing. The Grob collided with the Tobago from behind, damaging the Tobago‟s rudder with the Grob‟s right wing. Both aircraft remained controllable and were landed on runway 03L and 03 right.

The investigation found that the pilots of the Grob experienced sun glare and background visual clutter on the base leg for runway 03L and were unable to sight the preceding Tobago. The pilots of the Grob did not discern some broadcasts from the Tobago pilots, significantly diminishing their situational awareness. The pilots of the Grob continued the approach without positively identifying the preceding aircraft in the circuit.

Soon after the accident, the aircraft operator's flight safety officer produced a comprehensive accident investigation report that captured the key aspects of the accident. Included in the report were a number of recommendations, which were implemented by the operator.

The investigation identified a safety issue regarding definition of the circuit traffic limit in CTAF(R) and a safety issue related to the positive identification of traffic before turning final.

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General details
Date: 07 February 2009 Investigation status: Completed 
Time: 0736 CSuT Investigation type: Occurrence Investigation 
Location   (show map):Parafield Aerodrome Occurrence type:Airborne collision 
State: South Australia Occurrence class: Airspace 
Release date: 07 July 2009 Occurrence category: Serious Incident 
Report status: Final Highest injury level: Serious 
 
Aircraft 1 details
Aircraft manufacturer: S.O.C.A.T.A.-Groupe Aerospatiale 
Aircraft model: TB 
Aircraft registration: VH-YTG 
Serial number: 1407 
Type of operation: Flying Training 
Damage to aircraft: Minor 
Departure point:Parafield SA
Destination:Parafield SA
Crew details
RoleClass of licenceHours on typeHours total
Pilot-in-CommandATPL87213800
Aircraft 2 details
Aircraft manufacturer: Grob - Burkhart Flugzeugbau 
Aircraft model: G115 
Aircraft registration: VH-TGM 
Serial number: 8070 
Type of operation: Flying Training 
Damage to aircraft: Minor 
Departure point:Parafield SA
Destination:Parafield SA
Crew details
RoleClass of licenceHours on typeHours total
Pilot-in-CommandCommercial821000
 
 
 
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Last update 02 March 2016