Deadly Russian Plane Crash May Have Been Caused By Frozen Airspeed Indicators
Russian investigators say they’ve found a main cause of the plane crash that killed 71 people this weekend. According to the AP, the pilots didn’t activate heating equipment that keeps airspeed indicators from freezing up:The Interstate Aviation Committee said Tuesday, after studying the plane’s flight data recorder, that Sunday’s crash occurred after the pilots saw varying data on the plane’s two air speed indicators. The flawed indication came because the pilots failed to turn on the heating unit for the plane’s pressure measurement equipment prior to takeoff....