Clint Balog, a professor at Embry-Riddle Aeronautical University, said after the Lion Air crash: "In retrospect, clearly it would have been wise to include the warning as standard equipment and fully inform and train operators on MCAS".[113] According to Bjorn Fehrm, Aeronautical and Economic Analyst at Leeham News and Analysis, "A major contributor to the ultimate loss of JT610 is the missing AoA DISAGREE display on the pilots' displays."[114]