Boeing's CEO apologizes for the deadly 737 MAX airliner crashes

Boeing's CEO apologizes for the deadly 737 MAX airliner crashes

Boeing's CEO apologizes for the deadly 737 MAX airliner crashes

The statement came after Ethiopian officials releasing the preliminary report on the March 10 accident said the plane received repeated nose-down commands. Training materials will also be issued to pilots in the wake of the accidents. Boeing's procedures instruct pilots to leave the MCAS disconnected and continue flying manually for the rest of the flight.

Muilenburg said the company now knows that a chain of events caused both disasters, with erroneous activation of so-called MCAS anti-stall software "a common link" between the two.

Family members of crash victims said they were unsettled by the report's findings.

Referencing Ethiopian Airlines Flight 302 andLion Air Flight 610, which crashed into the Java Sea under similar circumstances last October, Muilenberg said "it's apparent that in both flights the Maneuvering Characteristics Augmentation System, known as MCAS, activated in response to erroneous angle of attack information". "Those planes - the 737 Max 8 - must be recalled".

Ahead of the release of the full report, Ethiopian Transport Minister Dagmawit Moges held a news conference in the capital, Addis Ababa, that was nearly entirely focused on vindicating the actions of the pilots.

At near-maximum thrust, the plane became more hard to fly, multiplying the problems created by the flaw in the 737 Max's software, according to pilots who reviewed a preliminary report issued Thursday by Ethiopia's Aircraft Accident Investigation Bureau.

"Aviation authorities shall verify that the review of the aircraft flight control system has been adequately addressed by the manufacturer before the release of the aircraft for operations", she added.


After the Indonesia crash, Boeing issued a bulletin outlining how to shut down the MCAS in case of malfunction, and Thursday's preliminary report indicated that the Ethiopian pilots followed that procedure.

The 737's air data computer also uses angle-of-attack (AOA) information to adjust airspeed readings.

The crash in Ethiopia resulted in the worldwide grounding of the 737 Max, the revamped version of a plane model that accounts for a third of Boeing's operating profit.

Ministry of Transport spokesman Musie Yehyies said there were no plans to publish the report on Wednesday.

The Washington Post reported Thursday that USA regulators had ordered Boeing to fix a second flight-control problem, not related to MCAS, but which officials nevertheless deemed critical to flight safety.

Separately, National Transportation Safety Board (NTSB) chairman Robert Sumwalt told reporters that US investigators were given the raw data from Ethiopian Airlines Flight 302 as soon as it was read in France last month. The agency was also reluctant to ground the planes after the Ethiopian Airlines crash and was among the last agencies to do so. On March 27, Boeing executives in Renton, WA showcased the new system, which is, "designed to prevent MCAS from overreacting, and new visual alerts to make pilots aware of potentially unsafe situations", according to The Washington Post.

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