Incident Eurocopter EC 120B Colibri N588SC, 13 May 2005
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ASN Wikibase Occurrence # 153940
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Type:Silhouette image of generic EC20 model; specific model in this crash may look slightly different    
Eurocopter EC 120B Colibri
Owner/operator:Era Helicopters
Registration: N588SC
MSN: 1130
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: None
Location:near South Timbelier (ST265), GM -   United States of America
Phase: En route
Nature:Passenger - Non-Scheduled/charter/Air Taxi
Departure airport:S.Timbelier 265, GM
Destination airport:Fourchon, GM (9F2)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
While in cruise flight approximately 14 miles south of Port Fourchon and while 500 feet above the water, the 2,117-hour pilot observed the engine low oil pressure light illuminate and shortly thereafter the helicopter lost total engine power. The pilot elected to turn into the wind, inflate the floats, and perform an autorotation to the water. After a successful autorotation, the pilot and passenger disembarked the helicopter without injury and were rescued. An examination of the engine on May 25, 2005 at Turbomeca USA revealed the total loss of engine power was a result of an interruption of engine lubrication due to excessive swelling of the oil pump assembly's check valve piston o-ring, part number 79-24-05-01-240.
Probable Cause: The loss of engine power as result of the failure of the oil pump assembly.




Revision history:

10-Mar-2013 11:46 TB Added
06-Dec-2017 15:33 ASN Update Bot Updated [Time, Operator, Departure airport, Destination airport, Source, Damage, Narrative]

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