The NAVI-Sailor 2400 ECDIS (Electronic Chart Display and Information Sys- tem) is revolutionizing marine navigation and is making a significant contri- bution to safety at sea. The system provides the navigator with more real- time information, simultaneously displayed on screen, with greater accuracy, flexibility and speed than ever before.The obvious benefits include reduced fuel and operating costs, improved route planning, reductions in risks of stranding and an overall improvement in crew and ship safety. Main features: Worldwide coverage of colour-electronic charts Automatic Worldwide Chart updating service Route Planning Route Monitoring and Track Storage Log-Book Track History ( All target tracks recall and review ) Playback Module ( Replay of any voyage for analysis ) Alarm (Depth limit, senior failure ...) Tide and currents module Port Information module (navigation conditions, service, communications) ARPA Radar interface module Trial Manoevring Module with different trial settings Manoevring Characteristics set-up own manoeuvre prediction for any rudder value and any engine mode Recommendations to avoid collisions Simulator mode for manoeuvring training to avoid collision Catalogue module Hardware Test Module       On TOP Ship Manager