NAVISIGN: Signal Flags & Buoys

NAVISIGN — Professional Maritime Reference Your complete offline guide to maritime signals, navigation marks and communication. Built for sailors, yacht crews, navigators and maritime students worldwide. No internet required. Everything works offline — at sea, in remote anchorages, or anywhere connectivity is limited. ━━━━━━━━━━━━━━━━━━━━━━━━ 📌 WHAT'S INSIDE ━━━━━━━━━━━━━━━━━━━━━━━━ 🚩 SIGNAL FLAGS — ICS (International Code of Signals) All 26 alphabet flags (A–Z) with official meanings, visual patterns and phonetic letter codes. Instantly identify any flag encountered at sea. ⚓ BUOY & MARK GUIDE — IALA System 8 buoy types fully explained with action guidance and light characteristics: • Red (Port) and Green (Starboard) lateral marks • Yellow Special mark • Isolated Danger mark • Safe Water mark • North, South, East and West Cardinal marks 📡 MARITIME MESSAGES 21 standard maritime signals organised by category: • Distress — SOS, Man Overboard, Sinking, Fire on board • Medical — Doctor required, Medical assistance • Navigation — Pilot required, Vessel stopped, Diver down • Notice & Greeting signals 🔊 MORSE CODE Complete reference: letters, digits, punctuation and 16 essential maritime signals — SOS, MAYDAY, PAN-PAN, CQD and more. ━━━━━━━━━━━━━━━━━━━━━━━━ 🌐 8 LANGUAGES ━━━━━━━━━━━━━━━━━━━━━━━━ Full content translated into: English · Русский · Français · Deutsch Español · Português · العربية · 中文 ━━━━━━━━━━━━━━━━━━━━━━━━ ⭐ PREMIUM — ONE-TIME PAYMENT ━━━━━━━━━━━━━━━━━━━━━━━━ No subscription. No auto-renewal. Pay once — own forever. Unlocks: ✓ All 26 signal flags + 10 numeric pennants ✓ Complete buoy reference (all 8 IALA types) ✓ All 21 maritime messages ✓ All 16 Morse code maritime signals ✓ Ad-free experience ✓ All future modules included at no extra cost ━━━━━━━━━━━━━━━━━━━━━━━━ 🔮 COMING SOON ━━━━━━━━━━━━━━━━━━━━━━━━ • AI Flag Recognition via camera • Semaphore Alphabet • Ship Navigation Lights • VHF Radio channel guide ━━━━━━━━━━━━━━━━━━━━━━━━ Whether you're a seasoned skipper or learning the ropes — NAVISIGN gives you instant access to the maritime knowledge you need, wherever you sail.