Several preloaded scenarios?
Can you expand on that a bit? In my mind it would be several million pre-loaded scenarios but I'm well aware that I am no expert in software programming so may have misunderstood.
Lesson from Sully can be formulated as "look for large water areas if other landing sites are not available", however this is hardly any news. And without any disrespect to Sully a fully automated computer system would probably choose to land in Teterboro and his aircraft will be flying again in a matter of days after engines and slides replaced and heavy landing check performed. Simply because human brain cannot calculate exact performance, descent profile and flight path for 25 different landing sites in 1 second. Computer can.