Mr Light wrote:
Just because we see Bats in the cockpit right before the detonation doesn't mean that shot took place a second before the detonation, they could have been playing with the timing of the shots to mislead you.
True. More time could have passed between that shot and when the movie switches back to the perspective of people in Gotham...
Although even with a lead of 20 or 30
seconds, that still wouldn't be enough to survive a blast like that.