Accident Robinson R22 N8490D, Saturday 8 June 1985

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Date:	Saturday 8 June 1985
Time:	20:30 LT
Type:	Robinson R22
Owner/operator:	Classic Helicopters, Inc.
Registration:	N8490D
MSN:	0403
Year of manufacture:	1984
Total airframe hrs:	1060 hours
Engine model:	Lycoming O-320-B2C
Fatalities:	Fatalities: 0 / Occupants: 2
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Port Orchard, WA - United States of America
Phase:	Landing
Nature:	Training
Departure airport:	(0S8)
Destination airport:	(OS8)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE INSTRUCTOR PLT (CFI) WITH ONLY 358 HRS TOTAL FLT TIME WAS DEMONSTRATING AN AUTOROTATION WITH A POWER RECOVERY. DURING THE RECOVERY, THE CFI FAILED TO FULLY REGAIN RPM & THE HELICOPTER SETTLED TO THE SURFACE. WITH A LOW ROTOR RPM, THERE WAS A LOSS OF TAIL ROTOR EFFECTIVENESS & THE HELICOPTER TURNED TO THE RIGHT. SUBSEQUENTLY, THE HELICOPTER TOUCHED DOWN WITH FORWARD MOVEMENT & RIGHT YAW, THEN ROLLED OVER. THE CFI REPORTED THAT THE WIND WAS FROM THE NORTH AT 10 GUSTING 15 KTS.

Probable Cause:

Accident investigation: