The principles of maneuvering marine transport vessels in various conditions using rudders, propellers and thrusters are outlined. Various options for mooring operations in the open sea and in ports are considered in detail, methods for emergency braking of large-tonnage vessels are described. Features of maneuvering of sea ferries and large-tonnage rollers are presented, graphs are presented for calculating the subsidence of ships when moving in shallow water and in channels, methods of maneuvering and organization of work when interacting with a helicopter are described. The book is intended as a practical guide for navigators of sea transport, fishing and river vessels of mixed navigation.