Following a series of Boeing 737 Max plane disasters. The Boeing business has faced numerous criticisms as a result of the 737 MAX’s technical changes for safe flight. The sensor was engaged, overriding the pilots’ manual controls and causing the crash, according to the report.
According to FAA recommendations, the designs were upgraded to include multiple sensor calibrations, eliminating incorrect signals, certifying flying stability. Now after the changes MCAS activations trigger an alert only once, and Pilot has the ability to override the controls.
As per the Boeing reports There are more than 800 737-8 and 737-9 airplanes. Just over half of them have not yet been delivered and are still at Boeing. The others were delivered and are in airline fleets around the world.
Why MCAS is installed?
To offer consistent handling qualities in a typical flight conditions, the Maneuvering Characteristics Augmentation System (MCAS) flight control law was devised and certified for newer variants of the 737.
When is MCAS activated?
The Maneuvering Characteristics Augmentation System (MCAS) only activates in the rare instance when all of these three conditions occur at the same time:
- The airplane Angle of Attack approaches a value higher than normal due to very slow speeds or aggressive maneuvering.
- The pilot is flying manually.
- The airplane flaps are up.
What modifications have been made?
Following the revisions, pilots flying the 737 MAX will receive FAA-approved training to learn how the revised software will affect flight controls and practice responding to scenarios they may experience in the air. The training consists of the following components:
- Computer-assisted learning
- Practical experience in a full-flight simulator
- A briefing on the systems, a checklist, and a quick-reference guide
Boeing has made more modifications to the ill-fated MCAS system.
- Adding greater cross-checking between flight control computers to the flight control computer programme.
- To meet regulator standards, some wiring has been modified and more separation has been added.
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Pilots will complete a series of computer-based training modules throughout training to gain a better grasp of the 737 flight control system, including MCAS, and related software modifications. Pilots will demonstrate their understanding of critical procedures by completing scenarios in a full-motion flight simulator. It should be noted that each country’s final training requirements will be decided by its regulator.
Boeing continue to engage closely with international regulators around the world, providing them with the information they need to evaluate the updates to the airplane and training.
Information Courtesy : Boeing & Untied Airlines
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