Looking at the FDR data in the final report, it is clear the final approach speed was low, the final descent rate was high, and there was a high spike in the vertical g at impact. Not a criticism of the ditching - difficult at night in poor weather.
This data supports / explains the serious spinal injuries the nurse and doctor sustained.
It is unfortunate this data was not available at the time of the legal proceedings brought about by the nurse and doctor.
This objective crash data (which was always easily obtainable) would have been more helpful to the court than was obtaining undercover video surveillance on the nurse (although this video when played in court only served to substantiate the nurses claim).