This thesis deals with the problems of conflicts of laws with respect to contractual private air law, focusing on those contracts which are of a practical importance. As compared to traditional studies of this legal area, this study applies a very innovative approach to the topic. Due to the vast amount of legal instruments, jurisprudence and legal writings to be handled, it does not appear appropriate to deal with the problems without pointing out common approaches, methods and solutions. In accordance with the economic legal working methods which have been developed by Middle European legal systems, and increasingly can also be observed in a number of common law systems, the aspects, which are common to all kinds of international contract...