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On 16 November 2014, a Robinson R44 helicopter, registered VH-YDK (YDK), was approaching Jandakot Airport on a charter flight from Rottnest Island, Western Australia, with a pilot and three passengers on board. At about 1348 Western Standard Time, the pilot of YDK reported downwind for runway 24 on the Jandakot Tower frequency.

At about the same time, the pilot of a Bell 412 helicopter, registered VH-EWA (EWA), prepared to conduct a rescue flight to Bunbury, Western Australia, with a crewman and paramedic on board. As YDK turned onto final, at about 400 ft above ground level (AGL), the pilot of YDK sighted EWA outside its hangar and elected to continue the approach.

At about 1350, the pilot of EWA requested to taxi to the compass swing bay on the Ground frequency. As the pilot commenced taxiing, the crewman sighted YDK at about 150 ft AGL and on an approach towards EWA. He directed the pilot of EWA to go forward.

At about 1350, the pilot of YDK broadcast on the Tower frequency: ‘YDK just out your left hand window’. The pilot of EWA was monitoring the Ground frequency and did not hear that call. YDK then descended and passed behind EWA towards a landing on the middle of the grassed area.

The pilot of EWA continued to taxi towards the compass swing bay, and when approaching the bay, first sighted YDK which was then passing behind EWA and about 30 m away.

The environment and procedures in the helicopter precinct at Jandakot require that pilots make the mandatory radio calls, maintain a good lookout and taxi, depart and approach the area by the most predictable routes to assist others in sighting them.

 

Aviation Short Investigations Bulletin - Issue 39

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General details
Date: 16 November 2014 Investigation status: Completed 
Time: 1351 WST Investigation type: Occurrence Investigation 
Location   (show map):Jandakot Airport Occurrence type:Separation issue 
State: Western Australia Occurrence class: Operational 
Release date: 26 February 2015 Occurrence category: Incident 
Report status: Final Highest injury level: None 
 
Aircraft 1 details
Aircraft manufacturer: Bell Helicopter Co 
Aircraft model: 412EP 
Aircraft registration: VH-EWA 
Serial number: 36312 
Type of operation: Aerial Work 
Sector: Helicopter 
Damage to aircraft: Nil 
Departure point:Jandakot, WA
Destination:Karridale, WA
Aircraft 2 details
Aircraft manufacturer: Robinson Helicopter Co 
Aircraft model: R44 II 
Aircraft registration: VH-YDK 
Serial number: 12386 
Type of operation: Aerial Work 
Sector: Helicopter 
Damage to aircraft: Nil 
Destination:Jandakot, WA
 
 
 
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Last update 18 April 2017