Quote:
Originally Posted by flipper35
One of the reports said "Last recorded data was a -29,500 fpm descent. " About .44 Mach so probably not a sonic boom.
There are a lot of scenarios bandied about on several forums from full trim tab down, which would allow them some steerage, to loads shifting aft causing a deep stall (don't see this one as high potential) to uncontained engine shrapnel. Hopefully they can get the FDR and CVR to put the pieces together and see what really happened.
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That speed calculation only works if they were headed straight down. any other decent angle and there would be a descent ratio to take into account.