Accident Bell 47G N1071Z, Saturday 20 October 1990

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Date:	Saturday 20 October 1990
Time:	17:05 LT
Type:	Bell 47G
Owner/operator:	Gary Mcfall
Registration:	N1071Z
MSN:	999
Year of manufacture:	1961
Engine model:	Lycoming
Fatalities:	Fatalities: 0 / Occupants: 2
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Grand Prairie, TX - United States of America
Phase:	Taxi
Nature:	Training
Departure airport:	(F67)
Destination airport:	(F67)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE CFI WAS HOVER TAXIING IN AN APPROXIMATE 20 KT TAILWIND CONDITION. HE NOTICED A DECREASE IN ROTOR RPM AND, ACCORDING TO HIS WRITTEN REPORT, 'REAPPLIED POWER TO REGAIN RPMS.' THE PILOT ELECTED TO LAND INTO THE WIND. TOUCHDOWN OCCURRED ON A SLOPE AND THE HELICOPTER ROLLED ONTO ITS RIGHT SIDE.

Probable Cause: THE PILOT'S INADEQUATE COMPENSATION FOR THE EXISTING TAILWIND CONDITIONS AND HIS FAILURE TO MAINTAIN ROTOR RPM.

Accident investigation: