Sitting in a hotel room in Miami with a Grey Goose, he vented to his deputy, a former Ryanair pilot named Patrik Gustavsson, about the plane’s “egregious” performance in the simulator. No one had told him that MCAS, originally intended to prevent stalls at high speed, could now possibly fire at speeds as low as 150 miles per hour. “I’m levelling off at like 4000 ft, 230 knots and the plane is trimming itself like craxy [sic],” he wrote. “I’m like, WHAT?”

