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The aircraft was engaged in spraying an Insecticide solution on a maturing cotton crop varying In height from 2 feet to 4 feet 6 Inches. Operations had begun one hour previously and were to continue into the night with the pilot making easterly and westerly runs working from south to north across the field. The wind was suitable for the operation being mainly light In strength and variable In direction, with an occasional gust to ten knots. Approximately three minutes before last light, with the work lights on, the pilot approached from the west for his third spraying run, over a tree 45 feet in height situated 120 feet back from the edge of the crop. He then descended to begin spraying but the descent was not arrested before the undercarriage entered the crop. Believing the aircraft might not come free from the crop the pilot reduced power to minimise the Impact, but the drag on the aircraft decreased slightly and the pilot applied full power and dumped the load. The aircraft failed to accelerate and sank deeper Into the crop, and the pilot again reduced power. The right wing caught in the crop and the aircraft skidded to the left still decelerating and came to rest pointing 140 degrees to the flight path with the undercarriage collapsed beneath it.

Download Final Report
[ Download PDF: 94KB]
General details
Date: 19 February 1969 Investigation status: Completed 
Time: 1910 EST  
Location:near Wee Waa Investigation type: Occurrence Investigation 
State: New South Wales Occurrence type: Collision with terrain 
Release date: 19 June 1970 Occurrence class: Operational 
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Piper Aircraft Corp 
Aircraft model: PA-25 
Aircraft registration: VH-TND 
Type of operation: Aerial Work 
Damage to aircraft: Substantial 
Departure point:Wee Waa
Destination:Wee Waa
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Last update 13 May 2014