Since the two fatal crashes of the Boeing 737 Max, airlines around the world have moved to buy flight simulators to train their pilots.
They don’t always work.
Boeing recently discovered that the simulators could not accurately replicate the difficult conditions created by a malfunctioning anti-stall system, which played a role in both disasters. The simulators did not reflect the immense force that it would take for pilots to regain control of the aircraft once the system activated on a plane traveling at a high speed.
Read the full story, "Boeing 737 Max simulators are in high demand. They are flawed" at nytimes.com.