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On 1 July 2010, an Aeronautica Macchi S.P.A. AL60 aircraft, registered VH-ELI (ELI), departed Devonport, Tasmania (Tas.) for Portee Station, South Australia (SA) with planned refuelling stops at King Island, Tas. and Hamilton, Victoria (Vic.).

While enroute from King Island to Hamilton, the crew observed low cloud along the track and   diverted to Mount Gambier, SA to refuel. After departing Mount Gambier, the crew observed that the left fuel tank gauge was indicating half full. The crew discussed the situation and elected to continue the flight. Also,  the directional gyro had to be aligned twice by the crew due to gyroscopic precession. As a result, the aircraft diverted to the left of the planned track by about 2-4 km. The crew commenced correcting the track when an inbound Pilatus Aircraft Ltd. PC-12/45 aircraft, registered VH‑FDK (FDK), passed to the left in close proximity.

It was estimated that the distance between the two aircraft was between 5 and 15 m horizontally and about 20 ft vertically.

While the operator of FDK determined that their pilot had complied with the required procedures, they advised the Australian Transport Safety Bureau (ATSB) that they will be conducting an internal education to remind pilots that maintaining a lookout and the use of radio telephony procedures are the primary tools used for traffic separation, supported by the traffic alert and collision avoidance system (TCAS).

Download Final Report
[ Download PDF: 3.37MB]
 
 
 
 
General details
Date: 01 July 2010 Investigation status: Completed 
Time: 1429 CST  
Location   (show map):50 km NW of Mount Gambier aerodrome Investigation type: Occurrence Investigation 
State: South Australia Occurrence type: Near collision 
Release date: 28 January 2011 Occurrence class: Airspace 
Report status: Final Occurrence category: Serious Incident 
 Highest injury level: None 
 
Aircraft details
Aircraft manufacturer: Pilatus Aircraft Ltd 
Aircraft model: PC-12 
Aircraft registration: VH-FDK 
Serial number: 466 
Type of operation: Aerial Work 
Damage to aircraft: Nil 
Departure point:Adelaide, SA
Destination:Mount Gambier, SA
 
 
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Last update 18 April 2018