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The pilot was directing cattle through a gate when a cow turned and began to walk back towards the helicopter. It stopped in front of the aircraft before charging. The pilot applied back cyclic and up collective in an attempt to avoid the animal but the tail rotor struck the ground. The helicopter began to yaw and the pilot landed the aircraft immediately. It continued to yaw after the landing and the landing skid assembly was substantially damaged. The pilot was relatively inexperienced on the helicopter type, having the majority of his recent experience on more powerful and responsive types. On this occasion, the rate of cyclic application was too great and not compensated for by the collective input. This accident was not the subject of an on-site investigation.

Download Final Report
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General details
Date: 11 March 1987 Investigation status: Completed 
Time: 915  
Location:Elizabeth Downs Station (135 km SW Darwin) Investigation type: Occurrence Investigation 
State: Northern Territory Occurrence type: Collision with terrain 
Release date: 29 June 1987 Occurrence class: Operational 
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Hiller Aviation 
Aircraft model: UH-12 
Aircraft registration: VH-MJV 
Type of operation: Aerial Work 
Damage to aircraft: Substantial 
Departure point:Elizabeth Downs Station NT
Departure time:0915
Destination:Elizabeth Downs Station NT
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