and now something which may change this discussion a bit.
Is anyone able to calculate the induced electric pulse lets say into the 1 km cable of the avionics bus assuming:
a) a given nuclear explosion say xxx kilotons (or choose megatons)
b) derive the radius within anything will be destroyed anyways and rule that out as it would not help the discussion
c) at that boundary come up with an induced (probable, possible, maybe so high) voltage according to the scenario given above
d) correcting this value for the shielding which every single electric and electronic part in an aircraft has
e) derive a peak voltage induced may found in the bus
Then we're talking sense. I'm not too got at maths so i cannot do it myself.
So - the invitation is posted - start heating up your brain cells before you answer.
And in the end we may find out that the shielding provided against other EMP mishaps like LEMP - and for those who don't know that term LEMP=lightning emmited magnetic pulse may be fair enough to protect our work gear as soon as we are far enough away not to get melted or to glow in the dark or ripped to pieces from a blast.
To the question if it is a design flaw. I don't think so. And to extend the discussion - if I properly remember a 777 is also a FBW plane? So both manufacturers thought of this as not being a real problem. Maybe they even thought about that and already came up with a solution to my little brain puzzle.
Have a nice and "hard thinking" time
E401
P.S. "Final 3 Greens" I agree about setting up scenarios for learning techniques. Great tool and sometimes fun and motivation.