Boeing altered key switches in 737 MAX cockpit, limiting ability to shut off MCAS May 12, 2019 by Genetic Dissenter In the middle of Boeing 737 cockpits, sitting between the pilot seats, are two toggle switches that can immediately shut off power to the systems that control the angle of the plane’s horizontal tail. Read more Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Like this:Like Loading... Related