Wirestrike Accident Hughes 369D N369RT, 10 Mar 2009
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ASN Wikibase Occurrence # 58934
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Type:Silhouette image of generic H500 model; specific model in this crash may look slightly different    
Hughes 369D
Owner/operator:Air2 LLC
Registration: N369RT
MSN: 1000819D
Fatalities:Fatalities: 0 / Occupants: 3
Aircraft damage: Substantial
Location:Tyringham Road - Lee, Massachusetts -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Departure airport:Lee, MA
Destination airport:Lee, MA
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
While hovering the helicopter during the installation of a transmission wire about 70 feet above the ground, the pilot inadvertently allowed the left horizontal stabilizer to move laterally until it was beneath the wire. When the pilot attempted to climb the helicopter away from the wire, the wire hooked the stabilizer. The helicopter subsequently pitched forward and the main rotor blades and rotor mast also became entangled with the wire. The main rotor blades and tail boom then broke away from the helicopter, which spun once or twice before hitting the ground. There were no mechanical anomalies noted with the helicopter and no appreciable wind.
Probable Cause: The pilot's failure to maintain clearance from the overhead wire.



Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year
Download report: Final report

Revision history:

12-Mar-2009 09:35 Digitalis Added
21-Dec-2016 19:25 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
01-Dec-2017 12:15 ASN Update Bot Updated [Cn, Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative]

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