Is MCAS an anti stall system?
MCAS performance under scrutiny JATR said MCAS and those systems could be considered a stall identification or stall protection system, depending on how the aircraft handled without them. FAA Deputy Administrator Dan Elwell said last month that if the AOA sensors differ by 5.5 degrees or more then MCAS cannot operate.
What is the fix to MCAS?
Boeing’s fix for MCAS entails three changes to the system design: It will take input from the jet’s two angle of attack sensors instead of just one. If they disagree by more than a nominal amount, the system assumes a false signal and will not activate.
Why is MCAS important to Boeing 737 MAX?
Safety officials around the world are scrutinizing the changes to MCAS that Boeing has proposed to ensure such accidents won’t happen again. And they are assessing what training pilots may need on the new system. “Safety is our top priority,” Boeing said in a statement.
Why did Boeing not tell pilots about MCAS?
As Boeing and the FAA advanced the 737 MAX toward production, they limited the scrutiny and testing of the MCAS design. Then they agreed not to inform pilots about MCAS in manuals, even though Boeing’s safety analysis expected pilots to be the primary backstop in the event the system went haywire.
How is the grounding of the 737 MAX going?
The grounding of the MAX has entered its 15th week. Safety officials around the world are scrutinizing the changes to MCAS that Boeing has proposed to ensure such accidents won’t happen again. And they are assessing what training pilots may need on the new system.
What was the problem with the Boeing 737 MAX?
Though Boeing was locked into a plan to revamp its popular 737 model, the Seattle wind-tunnel tests in 2012 revealed a problem. During flight tests to certify an airplane, pilots must safely fly an extreme maneuver, a banked spiral called a wind-up turn that brings the plane through a stall.