NTSB Identification: LAX92FA206.
The docket is stored on NTSB microfiche number 47737.
Accident occurred Friday, May 08, 1992 in ANAHEIM, CA
Probable Cause Approval Date: 06/30/1993
Aircraft: ROBINSON R-22B, registration: N8064E
Injuries: 1 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

ABOUT 4 MINUTES AFTER TAKING OFF FROM A HOSPITAL HELIPAD WHILE IN CRUISE FLIGHT AT ABOUT 150 TO 200 FEET AGL, THE HELICOPTER'S ENGINE LOSS POWER. THE HELICOPTER WAS OBSERVED MAKING AN IMMEDIATE LEFT TURN AND DESCENDING RAPIDLY. WITNESSES SAID THE HELICOPTER'S ROTOR BLADE WAS TURNING VERY SLOWLY. THE HELICOPTER COLLIDED WITH THE GROUND WITH VERY LOW ROTOR RPM FOLLOWING THE VERTICAL DESCENT. THE ENGINE AND ALL ACCESSORIES WERE EXAMINED IN DETAIL WITH NO MECHANICAL DEFICIENCIES NOTED. NO DEFICIENCIES WERE FOUND IN THE CONTROL SYSTEM, ROTOR SYSTEM OR CLUTCH FREE WHEELING UNIT.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

THE TOTAL LOSS OF ENGINE POWER FOR UNDETERMINED REASONS, AND THE PILOT'S FAILURE TO MAINTAIN ADEQUATE ROTOR RPM DURING THE AUTOROTATION.

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