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The aircraft stood overnight in the open at the station airstrip ready for an early morning take off. In a daily inspection made soon after first light, the pilot found that a heavy dew had left beads of moisture covering the aircraft exterior. This was cleaned off the windscreen, which was also misting internally. After a normal warm up and ground test the pilot cleaned the inside of the windscreen and lined up for take off. At this time forward vision was somewhat obscured but the pilot anticipated that outside condensation would clear as the aircraft gathered speed. The take off was commenced but the pilot found that the windscreen did not clear as expected and when full power had been applied and at a speed of about 50 knots, moisture blowing back off the nose of the aircraft caused almost complete loss of forward vision. Finding that the aircraft was moving to the left side of the strip the pilot closed both throttles to abandon the take off and attempted to brake to the right but was too late to prevent the aircraft from swinging left off the strip. The wings were damaged by impact with small trees and the aircraft groundlooped to the right and skidded to a halt. The passengers left by the normal exit and there was no fire.
Download Final Report
[ Download PDF: 147KB]
General details
Date: 30 April 1970 Investigation status: Completed 
Time: 0630 WST  
Location:Yakabindie Station near Wiluna Investigation type: Occurrence Investigation 
State: Western Australia Occurrence type: Loss of control 
Release date: 10 February 1971 Occurrence class: Operational 
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Piper Aircraft Corp 
Aircraft model: PA-23 
Aircraft registration: VH-RTG 
Type of operation: Charter 
Damage to aircraft: Substantial 
Departure point:Yakabindie Station
Departure time:0630
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Last update 16 May 2014