Do you know each other?  http://www.ericarvision.com/wwwwebmailmedauthgr-b9f1.pdf www.elearning.med.auth.gr  The men had disembarked from a small private helicopter that had landed on the Rynda river in the Murmansk region when the aircraft tilted to one side, hitting the men with its rotor blades, the Investigative Committee of the Russian Federation said in a statement.