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ASN Wikibase Occurrence # 141968
Last updated: 24 September 2021
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Date:18-JAN-2012
Time:12:15 LT
Type:Silhouette image of generic B06 model; specific model in this crash may look slightly different
Bell 206L-4 LongRanger IV
Owner/operator:Lloyd Aviatiˇn
Registration: YV1985
MSN: 52022
Fatalities:Fatalities: 5 / Occupants: 5
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Auyantepui mountain, Canaima National Park -   Venezuela
Phase: En route
Nature:Passenger - Non-Scheduled/charter/Air Taxi
Departure airport:SVPP
Destination airport:SVUQ
Narrative:
The Bell 206L-4 Long Ranger IV, YV1985, was destroyed when it collided with a mountain during a sightseeing flight near Monta˝a Auyantepui, Parque Nacional Canaima, in the State of BolÝvar, Venezuela. Precipitation was noted near the accident location.


CAUSES.
Causal factor.
The Material Factor as the causal factor for this accident due to the detachment of a section of the blade (S/N A-5591) during flight which resulted in a dynamic imbalance, subsequent detachment of the mast and loss of control of the aircraft.
Contributing Factors
The Human Factor is a contributor to this accident due to:
The failure to timely detect damage to the blade top (white side) as a result of a previous impact, which left it exposed to the effect of the environment in a condition of stagnation conducive to localized corrosion attack (corrosion pitting), which ended in the final detachment of a part of the component.
The failure to comply with AD CF2011-44, which resulted in an unsafe condition in the operations of the equipment.
Failure to disclose and monitor in a timely manner AD CF2011-44

Sources:

http://archive.boston.com/news/world/latinamerica/articles/2012/01/19/helicopter_crashes_in_venezuela_5_killed/
http://www.rescate.com/
https://www.ntsb.gov/aviationquery/brief.aspx?ev_id=20120124X90813&key=1

http://www.albertomares.com/blog/2012/01/foto-reciente-del-bell-206-siglas-yv1985-4/

Accident investigation:
cover
  
Investigating agency: 
Status: Investigation completed
Duration:
Download report: Final report


Revision history:

Date/timeContributorUpdates
19-Jan-2012 23:33 gerard57 Added
20-Jan-2012 00:33 harro Updated [Aircraft type, Registration, Cn, Operator]
20-Jan-2012 00:36 harro Updated [Time, Nature, Departure airport, Destination airport, Source]
20-Jan-2012 00:55 Alpine Flight Updated [Time, Location, Departure airport, Destination airport]
29-Jan-2012 22:05 Geno Updated [Source]
01-Feb-2012 01:49 Venezuela Updated [Narrative]
01-Feb-2012 01:50 harro Updated [Narrative]
30-Apr-2020 12:10 KagurazakaHanayo Updated [Source, Narrative]
30-Apr-2020 12:11 harro Updated [Source, Narrative, Accident report, ]

Corrections or additions? ... Edit this accident description