Telecommunication infrastructure of the polish national maritime safety

Polish maritime administration, implementing the regulations of the European Union on Vessel Traffic Monitoring and Information System (VTMIS) and ships reporting formalities, currently forwards into operation National Maritime Safety System (KSBM). The paper presents telecommunications infra-structure of the systems with particular emphasis on the Pomeranian Telecommunication Bus, which has enables the efficient communication between sensors and transmission and exchange of data between users and meet expected requirements of e-navigation, structure and tasks of the telecommunication network and data transmission and exchange rules.