Marine navigation system

PURPOSE: A marine navigation system is provided to improve portability by outputting the state and navigation information of a ship supplied from a marine navigation management device to a display screen using a marine navigation application. CONSTITUTION: A marine navigation system comprises an azimuth meter (200), a water depth measuring device (300), a water temperature measuring device (400), a speed measuring device (500), a wind direction measuring device (600), a lighting device (700), a GPS receiving unit, a marine navigation management device (100), and a smart terminal (1000). The marine navigation management device comprises an electronic nautical chart DB, a key input unit, a fuel amount measuring unit, a lighting sensing unit, a measuring interface unit, a measured data acquisition unit, a weather information acquisition unit, an electronic nautical chart reading module, first and second screen output control modules, a central control unit, and a ship information DB. The key input unit enables a navigator to select an electronic nautical chart guide mode. The measuring interface unit acquires a control signal for a flashing device from the central control unit. [Reference numerals] (100) Marine navigation management device; (1000) Smart terminal; (200) Azimuth meter; (300) Water depth measuring device; (400) Water temperature measuring device; (500) Speed measuring device; (600) Wind direction measuring device; (700) Lighting device; (800) Camera unit; (900) Magnetic compass