Principles of area navigation (RNAV) and guidelines for the implementation in Letov in regions where the requirements for RNA V. The questions concerning TPE buoy navigational performance (RNP) and the implementation of accurate area navigation (P-RNAV). Provides guidelines for the preparation of aircraft and operators of the Russian civil aviation to fly in the P-RNAV in Europe. Appendix shows the necessary regulatory materials containing questions ZO-national navigation.