“Yes, yes,” Sinnett answered. He started to continue his presentation, but the pilots didn’t let him talk much longer before jumping in again. There was the obvious fact that Boeing hadn’t trained the pilots on MCAS—as Michaelis pointed out, “These guys didn’t even know the damn system was on the airplane.” And if it malfunctioned, the pilots said, it would be hard for a pilot in the heat of the moment to diagnose the problem amid all the conflicting alerts.
