NTSB Identification: CHI87LA180.
The docket is stored on NTSB microfiche number 33999.
Accident occurred Thursday, July 30, 1987 in GRIFFITH, IN
Probable Cause Approval Date: 11/08/1988
Aircraft: HUGHES 369HS, registration: N42405
Injuries: 4 Uninjured.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
THE TAIL BOOM OF THE HELICOPTER WAS SEVERED AFTER ROTOR BLADE CONTACT DURING A HARD LANDING. THE ACC OCCURRED DURING AN AUTOROTATION DEMO FOR THE POLICE DEPT WITH A POWER RECOVERY. APPLICATION OF POWER WAS LATE AND THE HELICOPTER LANDED HARD AND BOUNCED. THE BOUNCE FLEXED THE MAIN ROTOR INTO THE TAIL BOOM.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:FLARE..MISJUDGED..PILOT IN COMMAND
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