Accident Robinson R22 Beta N8066B, Thursday 15 October 1992

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Date:	Thursday 15 October 1992
Time:	16:00 LT
Type:	Robinson R22 Beta
Owner/operator:	Heli-tex Inc
Registration:	N8066B
MSN:	1275
Year of manufacture:	1989
Total airframe hrs:	1900 hours
Engine model:	Lycoming O-360-J2A
Fatalities:	Fatalities: 0 / Occupants: 2
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Robert Lee, TX - United States of America
Phase:	Manoeuvring (airshow, firefighting, ag.ops.)
Nature:	Unknown
Departure airport:	King Ranch, TX
Destination airport:	(NONE)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
DURING A GAME SURVEY THE ENGINE/ROTOR RPM SUDDENLY DETERIORATED AND THE PILOT EXECUTED A FORCED LANDING. DURING THE APPROACH TO THE GROUND THE ENGINE/ROTOR RPM DETERIORATED FURTHER AND THE HELICOPTER IMPACTED THE GROUND HARD. THE CAUSE FOR THE POWER LOSS COULD NOT BE DETERMINED.

Probable Cause: THE LOSS OF ENGINE/ROTOR RPM FOR UNDETERMINED REASONS.

Accident investigation: