Originally Posted by
Xeptu
Where are you going with that 43, what difference does it make.
If it was running on aux tanks and depressurized then it may have exhausted that tank short of the destination, resulting in an engine out, and there would be still significant mains fuel left, as mentioned above, Pilot is unconcious, cant correct and so on. If it had single tank to engine set up it would have enough endurance to fly well passed the destination. Which makes depressurization less likely.