This book constitutes the refereed proceedings of the 1996 Ada-Europe International Conference on Reliable Software Technologies, held in Montreux, Switzerland, in June 1996. The 35 revised full papers selected for inclusion in the volume, along with four attractive invited papers, were contributed by researchers, developers, and users; they cover numerous aspects of the Ada 95 programming language and address various current topics of reliable software in general. Among the issues addressed are software development methods, verification and validation, safety and security, distributed systems, real-time systems, compilers and tools, the Ada 95 language, and interfaces to other worlds.