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The Boeing test software changes to 737 MAX aircraft



The changes are designed to reduce the chances of triggering the Maneuver Characteristic Enhancement System (MCAS), which is believed to have played a role in the Lion Air crash in October.

The Federal Aviation Administration has said there are similarities between this crash and a second 737 MAX crash this month in Ethiopia.

Southwest Airlines, American Airlines and United Airlines pilots and trainers met with Boeing representatives on Saturday to review the software changes in the Seattle area, where the model is assembled by various aviation sources.

At the gathering, pilots from the three American airlines and two smaller airlines outside the US conducted simulated flights to simulate the situation that had toppled the Lion Air flight in Indonesia last year, using current and updated software

Every pilot using the flight simulator landed the plane safely, the person said.

In the simulations with the current MCAS software, the test pilots used existing procedures to disable the system, while test flights with the new software required less intervention by the pilots, the subject said.

Saturday's test flights were first reported by the New York Times.

The updated software developed by Boeing uses two sensors on the nose of the aircraft instead of one sensor, and is not supposed to trigger the MCAS system repeatedly, which probably pushed down the nose of the Lion aircraft so badly Pilots regaining control were in vain.

In a statement on Sunday, Boeing called the meeting "productive" and said they had invited more than 200 pilots and technicians and regulators to an informational event at the company's production site in Renton, Washington on Wednesday.

"This is part of our ongoing effort to provide more details about our plan to support the safe return of the 737 MAX to commercial service," Boeing said.

We reach all current and many future MAX operators and their home controllers. At the same time, we continue to work closely with our clients and regulators on software and training updates for the 737 MAX, "said Boeing.

The FAA, which is part of this effort to test the new software, declined to comment. [1

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However, the FAA is not expected to allow dozens of 737 MAX aircraft to fly until it

Data from Flight Data and the Cockpit Voice Recorders are being analyzed in Ethiopia.

US air carriers want the plane to return to the sky MAX Airplanes in the fleet, and Southwest, which has 34 aircraft, agree with the unions that their pilots are good enough To deal with the incidents the Lion Air pilots have encountered.

The American alone is canceling dozens of flights daily as a result of grounding the MAX aircraft.

On Sunday, the airline stated in a statement that the cancellations would continue until April 24, resulting in 90 flights a day.


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