> Activating those switches cuts off electric trim and would completely deactivate MCAS. It can be done in seconds. That's great...if they'd understood that th

> Activating those switches cuts off electric trim and would completely deactivate MCAS. It can be done in seconds. That's great...if they'd understood that the system was malfunctioning...but they had no such indication because their airline didn't pay for the optional "feature."