3km, explosive
Tail section carried 3km is believable only if the tail was down current from the FDR. When we see current direction overlaid on a map of FDR and tail section locations it will be clear enough. Or more puzzling if the tail was cross stream or upstream.
I don't know anyone who does not with hindsight regret their choice of words from time to time, especially when in front of a crowd or on camera. I don't yet see anything contradictory in the 'explosive..air pressure' statement'. Sounds may be mis-interpreted, so must be considered separately. But a high volume, high velocity intrusion of seawater midpoint into a mostly horizontal fuselage could be expected to result in some cabin air overpressure. The paper bag analogy remains viable. Do recall also the fuselage frame pic of the skin neatly unzipped from the intact frame. The most likely cause of that is a sudden, very large, very uniform internal pressure. One must come up with an alternate cause for the unzipped skins to be able to disregard a fuselage overpressure. The video of the fuselage in situ which also shows virtually all cabin contents absent suggests a significant force having removed them.