Navitime Marine

Master the Rules of the Road and pass your maritime exams with Navitime — the complete COLREGS study and training app for officers, cadets, and seafarers.

Every feature is free. No subscription. No ads. No account required.

━━━ STUDY CONTENT ━━━

• COLREGS Rules 1–41 + Annexes — full text with plain-language explanations
• Navigation Lights — all 30 vessel types with interactive 360° bearing diagrams and light-sector radar view
• Sound Signals — every signal with audio playback
• Day Shapes — illustrated reference for all shapes and combinations
• Buoys & Marks — IALA A and B systems with full diagrams
• International Code Flags — all flags with meanings and phonetics

━━━ ADVANCED NAVIGATION BOOKS ━━━

8 in-depth books across 57 chapters covering:
• Navigation Handbook
• Position & Charts
• Celestial Navigation
• Instrumented Bridge
• Ship Handling
• Maritime Regulations
• Weather & Water
• Blind Pilotage

Each book includes an AI instructor for Q&A, in-chapter search, and full Arabic translations.

━━━ QUIZ & EXAM ━━━

• 1,000+ questions across all COLREGS categories
• Category quizzes, timed mode, and full mock exam
• Flashcard study mode
• Smart weak-area drilling — the app focuses on questions you get wrong
• Streak tracking and accuracy scores per category
• Group challenges — host or join a live quiz with a 4-character code

━━━ BRIDGE TOOLS ━━━

• GPS Radar — live position, speed, heading, and nearby vessel overlay
• Voyage Planner — multi-day passage planning with weather, tides, and safety thresholds
• Tides — harmonic tide predictions for 46 ports with worked step-by-step calculations
• Sun & Moon — rise/set times, moon phase, and full celestial almanac
• Beaufort & Douglas Scale — live wind and sea state from Open-Meteo
• VHF Channels — port and VTS contact directory for Gulf and international ports
• Morse Code Trainer — encode and decode with audio
• Unit Converter — speed, distance, depth, and pressure
• Anchor Watch — GPS drag alarm
• GNSS Scan — satellite constellation status and jamming map
• Live Wind Map — real-time marine wind analysis

━━━ BILINGUAL EN / AR ━━━

Full English and Arabic support throughout — every quiz question, study chapter, tool label, and explanation is available in both languages. Tap the language chip to switch at any time. Full RTL layout in Arabic mode.

━━━ OFFLINE FIRST ━━━

All study content, quizzes, and tools work offline. No internet connection needed for rules, lights, signals, shapes, or navigation tools.

━━━ PRIVACY ━━━

No ads. No tracking. No analytics SDK. No account required. Your quiz progress, bookmarks, and settings are stored locally on your device only.

Navitime is built for Gulf maritime cadets and officers preparing for MCA, DMA, and Arab maritime authority examinations.

Download free. Study smart. Pass your exam.