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Wednesday, August 8, 2007

Report Sticks With Jammed Actuator Theory in S-76 Crash

Estonian investigators believe a Sikorsky Aircraft S-76 crashed in 2005 because one of its main-rotor blade actuators became clogged with contamination, according to press reports. The Aug. 10, 2005 crash in the Gulf of Finland, near Estonia’s capital of Tallinn, killed all 12 passengers and two crewmembers on the Copterline helicopter. Investigators confirmed previous findings that loosened plasma coating jammed the S-76’s forward main-rotor blade actuator, rendering the aircraft uncontrollable. For related news
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