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Whilst taxying for departure, the pilot of VH-CLA noticed that the left brake was becoming progressively less effective. He attempted to slow the aircraft by closing the throttles and using the right brake with full left rudder application. However, this proved ineffective. As directional control was becoming difficult the pilot elected to turn the aircraft to the right onto the grassed area beside the taxiway. He applied right brake but the aircraft turned rapidly through about 165 degrees and collided with VH-ILS which was following behind. The pilot of VH-ILS reported he had lost sight of VH-CLA immediately prior to the collision due to condensation on the inside surface of the windscreen, and from watching another nearby aircraft. Investigation later determined that the left brake piston seal was in poor condition and leaking, and the master cylinder was almost empty. There was an outstanding entry on the Maintenance Release to bleed the right brake.
Download Final Report
[ Download PDF: 16KB]
 
 
 
 
General details
Date: 04 July 1994 Investigation status: Completed 
Time: 6:25 EST Investigation type: Occurrence Investigation 
 Occurrence class: Operational 
Release date: 26 August 1994 Occurrence category: Accident 
Report status: Final  
 
Aircraft 1 details
Aircraft manufacturer: Beech Aircraft Corp 
Aircraft model: D55 
Aircraft registration: VH-CLA 
Sector: Piston 
Damage to aircraft: Substantial 
Departure point:Bankstown NSW
Destination:Bathurst NSW
Aircraft 2 details
Aircraft manufacturer: Beech Aircraft Corp 
Aircraft model: D55 
Aircraft registration: VH-ILS 
Sector: Piston 
Damage to aircraft: Substantial 
Departure point:Bankstown NSW
Destination:Cowra NSW
 
 
 
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Last update 21 October 2014