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The aircraft was spreading superphosphate when it struck a powerline at a height of about 200 feet above ground level. The aircraft struck the line with the main landing gear legs, and although the wire slid up the cutting edges, it was not severed by the cutters but snapped near a pole supporting the span. The wire then slashed around the aircraft until it cleared itself from the airframe after which the pilot discovered that he was only able to turn the aircraft to the left. He carried out an immediate forced landing. The powerline was suspended across a gully via a 470 metre span. The pilot was aware of the line having flown over it on several previous occasions. The pilot stated that, as the line was extremly difficult to see, he had been judging his clearance by reference to the poles at either end of the span. At the time of the strike the pilot's attention was distracted by difficulty in starting the superphosphate running correctly and by concentration on three other sets of wires.

Download Final Report
[ Download PDF: 22KB]
 
 
 
 
General details
Date: 19 March 1990 Investigation status: Completed 
Time: 1105 Investigation type: Occurrence Investigation 
Location   (show map):14 km NW of Yarram Occurrence type:Wirestrike 
State: Victoria Occurrence class: Operational 
Release date: 09 August 1990 Occurrence category: Accident 
Report status: Final Highest injury level: None 
 
Aircraft details
Aircraft manufacturer: Piper Aircraft Corp 
Aircraft model: PA-25 
Aircraft registration: VH-AHA 
Serial number: 25-4192 
Type of operation: Aerial Work 
Damage to aircraft: Substantial 
Departure point:11 km NW of Yarram, VIC
Departure time:1100
Destination:11 km NW of Yarram, VIC
 
 
 
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