Accident Robinson R22 Beta N26610, Saturday 10 November 1990

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Date:	Saturday 10 November 1990
Time:	15:55 LT
Type:	Robinson R22 Beta
Owner/operator:	Kyodo Air
Registration:	N26610
MSN:	0857
Year of manufacture:	1988
Engine model:	Lycoming O-360-J2A
Fatalities:	Fatalities: 0 / Occupants: 2
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Paso Robles, CA - United States of America
Phase:	Landing
Nature:	Training
Departure airport:	(KPRB)
Destination airport:	(KPRB)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE INSTRUCTOR SAID THAT HE WAS DEMONSTRATING 180 DEGREE AUTO ROTATIONS TO HIS STUDENT. HE STATED THAT AS THE HELICOPTER NEARED THE GROUND HE 'ENCOUNTERED A TAILWIND NEAR THE SURFACE AND WAS IN A SETTLING WITH POWER CONDITION.' THE HELICOPTER LANDED HARD WHEN THE INSTRUCTOR WAS UNABLE TO ARREST THE RATE OF DESCENT PRIOR TO GROUND CONTACT.

Probable Cause: THE PILOT'S DELAY IN TAKING APPROPRIATE REMEDIAL ACTION. A FACTOR IN THE ACCIDENT WAS THE FLIGHT'S ENCOUNTER WITH A TAILWIND DURING THE TERMINATION PHASE OF THE AUTO ROTATION.

Accident investigation: