Accident Hughes 369HS N42405,
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ASN Wikibase Occurrence # 372524
 
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Date:Thursday 30 July 1987
Time:16:00 LT
Type:Silhouette image of generic H500 model; specific model in this crash may look slightly different    
Hughes 369HS
Owner/operator:Trademasters International
Registration: N42405
MSN: 9204165
Engine model:Allison 250-C20
Fatalities:Fatalities: 0 / Occupants: 4
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:
cover
  
Investigating agency: NTSB
Report number: CHI87LA180
Status: Investigation completed
Duration: 1 year and 3 months
Download report: Final report

Sources:

NTSB CHI87LA180

Location

Revision history:

Date/timeContributorUpdates
26-Mar-2024 17:59 ASN Update Bot Added

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