> Aren't all these scenarios tested in simulators and in the actual aircraft? In this case the answer is, no: "During nine to 12 months of MAX flight testing,

> Aren't all these scenarios tested in simulators and in the actual aircraft? In this case the answer is, no: "During nine to 12 months of MAX flight testing, test pilots injected errors into the flight system that tested stall conditions and runaway stabilizer, among other scenarios, the people said. But no one was aware of a specific test of an MCAS failure mode triggered by erroneous sensor data." March 29, https://www.reuters.com/article/us-ethiopia-airplane-boeing-analysis/no-call-for-simulators-in-new-boeing-737-max-training-proposals-idUSKCN1RA006 https://www.reuters.com/article/us-ethiopia-airplane-boeing-...