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The pilot of the Fokker 50 was tracking the 168 degree radial from Carnarvon enroute to Perth. Whilst passing FL183 on climb to FL190, the pilot of the Fokker observed a Jetstream pass beneath and to the left on the reciprocal track. The Jetstream was enroute from Perth to Carnarvon and was maintaining FL180. FS had not provided traffic information to either pilot. Airservices Australia reported that a new manning roster was being trialled at the Flight Service Centre and that there were a small number of teething problems being experienced with staff and supervisors becoming familiar with the new hours and rotation of staff within the roster. On this occasion, insufficient staff was available to provide relief to the operating positions. The flight service officer had just commenced duty but due to the staffing restrictions being experienced through the new roster, he did not have time to complete his normal familiarisation with the activities of the centre before he was required to assume the operating position. The workload at the time of the incident was high and the handover from the officer previously occupying the position was reported as being rushed and incomplete. The flight service officer who had assumed the operating position was, therefore, unfamiliar with the traffic situation.


Airservices Australia has reported that it has identified the problems with the new roster and these will be rectified pending a review.

Download Final Report
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General details
Date: 09 July 1998 Investigation status: Completed 
Time: 15:36 WST  
 Investigation type: Occurrence Investigation 
 Occurrence type: Near collision 
Release date: 06 August 1998 Occurrence class: Airspace 
Report status: Final Occurrence category: Incident 
Aircraft 1 details
Aircraft manufacturer: British Aerospace PLC 
Aircraft model: 3107 
Aircraft registration: VH-ESW 
Sector: Turboprop 
Damage to aircraft: Nil 
Departure point:Perth WA
Destination:Carnarvon WA
Aircraft 2 details
Aircraft manufacturer: Fokker B.V. 
Aircraft model: F27 MK 50 
Aircraft registration: VH-FNH 
Sector: Turboprop 
Damage to aircraft: Nil 
Departure point:Carnarvon WA
Destination:Perth WA
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Last update 28 October 2014