Boeing Announces Software Fix for 737 Max Aircraft

By Paul Riegler on 27 March 2019
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DSC_0242Boeing previewed software changes on Wednesday to its beleaguered 737 Max aircraft at the company’s facilities in Renton, Washington, as well as new mandatory pilot training, saying that the changes will improve the safety of the aircraft, which has been involved in two deadly crashes since October 2018.

The changes have been “provisionally” approved by the Federal Aviation Administration.

“We’re working with customers and regulators around the world to restore faith in our industry and also to reaffirm our commitment to safety and to earning the trust for the flying public,” said Mike Sinnett, a company vice president, in a briefing for pilots, reporters, and regulators there.

The changes focus on the the Maneuvering Characteristics Augmentation System, or MCAS, which was originally intended to automatically take over if a aircraft’s nose suddenly rose in a way that could lead to stalling, a determination that was made by one sensor.

With the changes, the system will compare readings from two sensors that monitor for the plane’s forward angle. If the sensors disagree by 5.5°, the system won’t activate but will instead illuminate a warning light to alert pilots.

The changes will also make it easier for the pilots to override the system without the system trying to counteract the change.

In addition, Boeing plans to mandate training that focuses on the difference between the 737 Max and older 737 aircraft and covers the MCAS. The new training would be in addition to the 21 days that pilots are currently required to undergo to fly a 737.

(Photo: Accura Media Group)

Accura News

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