Interactive web-based simulators for GMDSS maritime communication equipment. Train with realistic replicas of professional-grade shipboard and coastal systems.
Touch layouts for /mobile/vhf, /mobile/hf, /mobile/ais, and /mobile/navtex
Full-featured AIS simulation with split-view dashboard, real-time vessel tracking on interactive maps, alarm management, and ship transponder MKD panel.
Launch Simulator Mobile (R4 + Map)Multi-station VHF radio simulation with DSC calling, real-time WebSocket inter-radio communication, voice recording and playback capabilities.
Launch Simulator Mobile PTT (touch)MF/HF radiotelephony with SSB voice, DSC & Selcall CCIR 493, Barrett 2050 tactical transceiver with radial arc S-meter, dual watch, scan, and WebSocket multi-station voice.
Launch Simulator Mobile HF Simulator (touch PTT)Interactive NAVTEX receiver simulator with dual-frequency reception, customizable station/message masks, real-time message printing log, and distress beeping alerts.
Launch Simulator Mobile (touch)Practice sending and copying Morse code with a virtual straight key and iambic paddle, listening drills, Koch method progression, and maritime CW reference.
Launch SimulatorLearn all 40 ICS flags with interactive reference, flag-to-letter and letter-to-flag drills, single-flag meanings, hoist decoding, and timed quizzes.
Launch TrainerPractice reading and sending flag semaphore signals. Interactive reference, message sender with animated figures, signal-to-letter quizzes, and timed drills.
Launch SimulatorReal-time multiplayer quiz game — master controls CW, ICS Flags and Semaphore tests. Two players compete from their phones at /p1 and /p2. Master control at /competition/master. First to the target score wins.
Open ScoreboardSelf-paced trainer for the full IMO SMCP — distress, urgency, safety, VTS, pilotage, wheel & engine orders. Browse all 200+ standard phrases, practice with flashcards, and test yourself with multiple-choice quizzes. Progress tracked per section.
Launch Trainer