Why were the pilots expected to upgrade to the Max using just an Ipad?
To save money on conversion and simulators.
Wasn't one of the significant causes of the British Midland BD092 crash involving a new B737-400 at Kegworth,
exactly this? The differences between the -300 and -400 had been a very quick presentation (OHP vs PDF nowadays) and then back to line flying? And when the key differences between the two aircraft manifested in such a way that the pilots misdiagnosed a problem that led to a fatal crash.