The topic of this final paper is Flag State Inspection (FSI). The introduction which continues in the second chapter focuses on the definition and history of the Flag State, the related conventions and the duties, role and responsibility of the Flag State. Furthermore, the classification of Flag States according to performance is discussed, the largest Flag States in the maritime (shipping) industry are reviewed. The third chapter talks about the inspection of the ship. The mentioned concepts are connected with the main topic of this paper and the focus is on the complexity of the security system, the parties involved in the protection process are different, as well as the type and procedure of ship inspection. At the end of this final paper a comparative direction is established with Port State Control (PSC). The conclusion discusses the problems and future of the field of maritime inspection and its impact on the entire maritime market.