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On 13 May 2014, the pilot of a Robinson R22 helicopter, registered VH-HEP, was conducting aerial mustering operations on a property about 40 km north-east of Hughenden, Queensland.

As the pilot was mustering a herd of cattle, a number of cattle retreated to a protected area beneath trees. The pilot descended in what appeared to be a clear area adjacent to the trees in an attempt to keep the cattle moving, but as the aircraft descended the main rotor blade struck a dead tree.

The pilot was immediately aware of the blade strike, and could feel vibration through the helicopter cyclic control. Concerned about the extent of damage to the helicopter and possible loss of control, the pilot elected to make a controlled descent to the ground immediately beneath. A fire ignited in the grass beneath the engine behind the cockpit area after the helicopter settled on the ground. The pilot was able to retreat to a safe area and was uninjured, but the fire grew rapidly and destroyed the helicopter.

This incident highlights the importance of continuous awareness of obstacles during aerial mustering operations, particularly when manoeuvring in relatively confined areas. Although the pilot had little choice on this occasion, this incident serves as a reminder of the fire hazard associated with landing in long grass.


Aviation Short Investigations Bulletin - Issue 34

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[ Download PDF: 195KB]

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General details
Date: 13 May 2014 Investigation status: Completed 
Time: 1500 EST Investigation type: Occurrence Investigation 
Location   (show map):40 km NE of Hughenden Occurrence type:Collision with terrain 
State: Queensland Occurrence class: Operational 
Release date: 03 September 2014 Occurrence category: Accident 
Report status: Final Highest injury level: None 
Expected completion: August 2014  
Aircraft details
Aircraft manufacturer: Robinson Helicopter Co 
Aircraft model: R22 BETA 
Aircraft registration: VH-HEP 
Serial number: 3255 
Type of operation: Aerial Work 
Sector: Helicopter 
Damage to aircraft: Destroyed 
Departure point:Warwombie Station, Qld
Destination:Warwombie Station, Qld
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Last update 25 February 2015