Faulty speed indicators suspected as cause of Russian plane crash

Iced-over instruments could have given pilots wrong data, causing accident that killed 71 peopleRussian experts investigating a plane crash outside Moscow that killed 71 people at the weekend have said the accident may have been caused by ice on instruments that led to faulty information on the craft’s airspeed.“A factor in the development of a special situation in the flight could be the wrong data about flight speed on pilots’ indicators, which was likely due to iced pitot tu