<P>This book assembles papers presented at the 14th Annual Safety-critical Systems Symposium, held at Bristol, UK in February 2006. The papers address the most critical topics in the field of safety-critical
systems. The focus, considered from various perspectives, is on recent developments in risk-based approaches. Subjects discussed include innovation in risk analysis, management risk, the safety case, software safety, language
development and the creation of systems for complex control functions.</P>