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Boeing updates 737 MAX MCAS software

  • Air
  •   03-28-2019  1:20 pm

Boeing updates 737 MAX MCAS software

Boeing has announced additional pilot training and an upgrade to the 737 MAX MCAS software system, the failure of which has been attributed to the recent Lion Air and Ethiopian Airlines crashes.

During an event yesterday (March 27) at the company’s headquarters in Renton, Washington, the aircraft manufacturer unveiled the upgrade to U.S. aviation regulators and pilots of airlines that fly Boeing’s planes. The software upgrade will introduce additional ‘layers of protection’ to the Maneuvering Characteristics Augmentation System (MCAS) flight control system, which was designed to stabilize the pitch of the aircraft mid-flight at an elevated Angle of Attack (AOA).

READ MORE: Boeing 737 MAX grounded: Air Canada, Sunwing & WestJet respond

These protections will now see the system compare input from both AOA sensors and only activate when proper conditions are met, as well as enhanced increased override abilities for pilots, Boeing said in a statement.

The MCAS system is believed to be the cause of both the Lion Air and Ethiopian Airlines crashes, after investigators noted many similarities between the two incidents.

The manufacturer, which came under fire recently after it was discovered that additional MCAS safety features were sold as optional upgrades, is now the subject of a criminal investigation by the U.S. Justice Department for its certification and marketing of its 737 MAX aircraft.

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