Originally posted by auv-ee ...
... the point of impact is believed by BEA to be somewhere inside of a 40nm radius of LKP, because the position reports were transmitted at 4min intervals and 40nm represents the distance that the a/c could cover in 4min at cruise speed.
I think you meant to say,
" ... because the ACARS reports were transmitted at 1min intervals and 40nm represents the distance that the a/c could cover in 5min at cruise speed."
mm43