Aviation safety investigations & reports

Bell Helicopter 47G3B1, VH-MCG, R.A.A.F. Base, East Sale, Vic, 12 April 1969

Investigation number:
Status: Completed
Investigation completed


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The aircraft was engaged in spraying operations over the living quarters and working area of the R.A.A.F. base. When operations commenced, the wind conditions were light but, as the work progressed, the wind strength increased and at the time of the accident it was from 270 degrees at 22 to 30 knots. Spray runs were being made across wind at a low speed to achieve the required spray distribution and, when nearing the completion of the allotted task, the pilot made a turn in a downwind direction at the end of a spray run. In the turn, the aircraft commenced to lose height and the pilot increased collective pitch, but was unable to arrest the descent. As the aircraft was approaching a row of pine trees, the pilot also reduced the forward speed and dumped the remaining spray liquid but the aircraft continued to descend and struck the pine trees.
Download Final Report
[Download  PDF: 141KB]
General details
Date: 12 April 1969   Investigation status: Completed  
Time: 0920 EST    
Location: R.A.A.F. Base, East Sale    
State: Victoria    
Release date: 15 September 1969   Occurrence category: Accident  
Report status: Final   Highest injury level: None  

Aircraft details

Aircraft details
Aircraft manufacturer Bell Helicopter Co  
Aircraft model 47  
Aircraft registration VH-MCG  
Type of operation Aerial Work  
Sector Helicopter  
Damage to aircraft Substantial  
Departure point East Sale  
Departure time 0915  
Destination East Sale  
Last update 01 April 2011