SS
Agree SS
more complexity - more room for human error - more human errors
if you have 2 FCL then it is possible to retard the wrong one - if you don't it is not possible....
It is clear that if an 'internet room' full of experts can't work out how a fuel system works that it is probably too complicated - if a system is prone to human failure then it's not totally 'Kosher' to blame pilot's - it's a whole system deal
Stats don't support the theory