This book constitutes the refereed proceedings of the 5th International Workshop on Formal
Techniques for Safety-Critical Systems FTSCS 2016 held in Tokyo Japan in November 2016. The
9 revised full papers presented together with an abstract of an invited talk were carefully
reviewed and selected from 23 submissions. The papers are organized in topical sections on
specification and verification automotive and railway systems circuits and cyber-physical
systems parametrized verification.
