The prospect of FDRs offers the prospect of a technique employed in the offshore world called HOMP (FOQA or FD Analysis). There are some good CAA papers on the subject (
www.caa.co.uk - look under publications for HOMP.
This process allows analysis of FDR info to determine the parameters used by the pilot during the flight. It has been used very effectively and without prejudicing the relationship between employer and pilot - read up on it. It's compelling stuff
G