Accident Hughes 369HS N42405, Thursday 30 July 1987

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Date:	Thursday 30 July 1987
Time:	16:00 LT
Type:	Hughes 369HS
Owner/operator:	Trademasters International
Registration:	N42405
MSN:	9204165
Engine model:	Allison 250-C20
Fatalities:	Fatalities: 0 / Occupants: 4
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Griffith, IN - United States of America
Phase:	Landing
Nature:	Private
Departure airport:
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
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.

Probable Cause:

Accident investigation: