Mr Morris added: "It's crucial that any reasonable recommendations made in the accident report to improve aviation safety are implemented as soon as possible.
"Nothing can turn back the clock or bring the innocent victims back but the families now want to see important lessons learned from this so that it reduces the risk of similar incidents.
"In particular the news regarding the extent of co-pilot Andreas Lubitz's medical history and the severity of his mental health condition raises very serious questions about how he was assessed and how the fitness of commercial airline pilots should be assessed."