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The pilot reported that the helicopter was descending through 200 feet on approach to land in a clear area surrounded by trees 15-20 metres tall. Airspeed was 15-20 knots, engine power setting was about 15 inches Manifold Pressure and the approach was being flown into a north-westerly wind of 5-10 knots. Without warning, as a result of what the pilot thought was a sudden wind change, the helicopter yawed slightly right and began to sink rapidly. The pilot noticed that the airspeed was indicating zero. The pilot managed to avoid the trees but could not prevent the helicopter landing heavily, damaging the main rotor blades and gearbox.

Download Final Report
[ Download PDF: 22KB]
 
 
 
 
General details
Date: 28 November 1990 Investigation status: Completed 
Time: 1545 Investigation type: Occurrence Investigation 
Location   (show map):142`29'E 19`22'S Occurrence type:Loss of control 
State: Queensland Occurrence class: Operational 
Release date: 13 December 1990 Occurrence category: Accident 
Report status: Final Highest injury level: None 
 
Aircraft details
Aircraft manufacturer: Robinson Helicopter Co 
Aircraft model: R22 
Aircraft registration: VH-JNN 
Serial number: 1502 
Type of operation: Private 
Sector: Helicopter 
Damage to aircraft: Substantial 
Departure point:Woodstock (150 km NNW Richmond) QLD
Departure time:1545
Destination:Approved for Release: 13th December 1990
 
 
 
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