if the Pilots are smart and BALPA members....they will already have Lawyers and have made any statement only after being advised by those Lawyers.
They can count upon being sued by the families of the four passengers that were killed and also by the survivors too.....thus they need to be very judicious about what they say to the AAIB and everyone else.
I can assure you when it comes to going to Court....the Lawyers representing CHC are not representing the Pilots.