Accident Eurocopter AS 350B2 Ecureuil C-FBTW,
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ASN Wikibase Occurrence # 89226
 
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Date:Sunday 12 August 2001
Time:14:30
Type:Silhouette image of generic AS50 model; specific model in this crash may look slightly different    
Eurocopter AS 350B2 Ecureuil
Owner/operator:Turbowest Helicopters Ltd.
Registration: C-FBTW
MSN: 3289
Year of manufacture:2000
Total airframe hrs:558 hours
Engine model:Turbomeca Arriel 1D1
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Cody, Park County, Wyoming -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Unknown
Departure airport:Cody, WY
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The pilot was performing an off-site landing with a long-line. The line became entangled in brush, and subsequenmtly, the line became entangled in the tail rotor drive shaft. The tail rotor drive shaft failed, and the pilot performed an autorotation impacting equipment on the ground. During the landing sequence, the tail boom and horizontal stabilizer were bent, and the bottom of the helicopter's fuselage was penetrated.


Probable Cause: the pilot's inadequate in-flight planning for an off site landing, which resulted in failure of the tail rotor drive shaft due to entanglement of his long-line in the drive shaft.



Accident investigation:
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Investigating agency: NTSB
Report number: DEN01LA145
Status: Investigation completed
Duration:
Download report: Final report

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20010816X01699&key=1

Location

Revision history:

Date/timeContributorUpdates
19-Jan-2011 15:58 slowkid Added
29-Jun-2014 22:12 Dr. John Smith Updated [Time, Aircraft type, Registration, Cn, Location, Departure airport, Destination airport, Source, Narrative]
21-Dec-2016 19:25 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
10-Dec-2017 12:24 ASN Update Bot Updated [Cn, Nature, Departure airport, Destination airport, Source, Narrative]

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