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Ethiopian Airlines questions Boeing's 'aggressive' software
ADDIS ABABA (Reuters) - An Ethiopian Airlines executive questioned whether Boeing had told pilots enough about “aggressive” software that pushes a plane’s nose down, a focus of investigation into a deadly crash in Ethiopia this month.
Comments by the CEO and vice president of the airline this weekend will fuel a debate over the safety of Boeing’s 737 MAX aircraft, two of which have crashed in similar circumstances in the last five months.
Ethiopian Airlines, Africa’s most profitable airline, has robustly defended its own safety record, training and procedures after the crash on March 10 that killed 157 people.
Attention has focused on software called Maneuver Characteristics Augmentation System, or MCAS, and the sensors that activate it. MCAS pushes the plane’s nose down if it believes it is ascending at too steep an angle.
“After the crash it came to our attention that the system is aggressive,” Yohannes Hailemariam, vice president for flight operations at Ethiopian, told local reporters speaking in the Amharic language.