Investigation: 199001969 - Robinson R22-B, VH-JKN, 35km W of Narrabri NSW, 23 February 1990

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The pilot and his passenger were engaged in a pig culling exercise. The weather conditions at the time were very hot and humid with light winds. The pilot was operating at low forward speed along a creek and just above tree top level, when he felt the helicopter begin to sink. He applied full power and turned right but could not prevent the helicopter from colliding with trees. There were no reported mechanical defects which may have contributed to this accident. It is probable the helicopter was being operated on the edge of its performance envelope and there was insufficient power available to maintain level flight when a down draught was encountered.

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General details
Date:	23 February 1990	Investigation status:	Completed
Time:	1415	Investigation type:	Occurrence Investigation
Location:	35km W of Narrabri
State:	New South Wales
Release date:	15 June 1990	Occurrence category:	Accident
Report status:	Final	Highest injury level:	None

Aircraft details
Aircraft manufacturer:	Robinson Helicopter Co
Aircraft model:	R22
Aircraft registration:	VH-JKN
Serial number:	1023
Type of operation:	Aerial Work
Sector:	Helicopter
Damage to aircraft:	Substantial
Departure point:	"Glen Garie" Station NSW
Departure time:	1400
Destination:	"Glen Garie" Station NSW