Boeing & FAA Knew Manual Stab Trim was Unlikely at High Speed but Failed to Warn After Lion Air
The Ethiopian government released earlier this week its preliminary report to the public for the March 10, 2019 accident involving Ethiopian Airlines Flight 302. The report included plots of the Flight Data Recorder data and a detailed time history of events including those derived from the Cockpit Voice Recorder (CVR). Review of these data show the MCAS automatic stabilizer trim activations occurred between 250 and 340 knots indicated airspeed (KIAS), which is on the upper…