Showing 1–20 of 1,000 ranked alternatives.
Smirnov Yury
Study COLREGs rules with flashcards
Learn COLREGs through flashcards organized by specific rules. Answer questions to reinforce knowledge. Automatically save progress and reset results as needed. Track learning progress over time.
Alejandro Martinez de Carvajal
Search navigation instantly anywhere
COLREGs offers flag identification, weather scales, cloud recognition, sound signal guidance, and vessel light details. Users can access navigation , interpret flags, and understand sound and light signals for safe boating.
Calculated Industries, Inc.
Access , charts, and COLREGS documents
Provides access to COLREGS and Inland , including amendments. It includes sound and light signals, steering and sailing , and other essential boating references. Users can search and bookmark regulations for quick reference.
LW Brands, LLC
Download and view weather
View and download NOAA electronic navigational for offline use. Access in NOAA or ECDIS formats. Overlay NOAA weather for real-time conditions. Display buoys, beacons, lights, and natural/man-made features. Track radar and fog signals.
The Other Hat
Identify vessels and activities
Access rules and definitions for quick reference. Identify vessels and activities based on maritime guidelines. Search rules instantly for use in various conditions. Includes over 100 graphics for visual identification.
Peterjohn Chisholm
Learn COLREGS rules and pass exams
Learn COLREGS rules through interactive visuals and memory aids. Practice exam answers with customizable quizzes. Track progress with built-in assessments and review tools.
Ozgur GUNES
Explore ship stability and navigation
Access ship stability guidelines, navigation rules, COLREG regulations, and marine engineering data offline. View GMDSS procedures, safety protocols, and environmental practices. Search for standards and reference materials anytime without internet.
Joseph Kim
Study navigation and practice exams
Study Navigation with over 1,200 practice questions covering Inland and International waters. Topics include Steering & Sailing , Lights & Shapes, and Sound Signals. Each question has detailed explanations.
SAVVY NAVVY LTD
Track routes, view charts, and monitor weather
View real-time GPS location and track movement. Access marine charts, weather forecasts, and tide information. Plan routes with smart routing features. Set and monitor alerts. Share coordinates and waypoints.
Glenn Ludlow
Search , shapes, and sounds
Identify and interpret navigation , shapes, and sounds used on water. Search for exact or possible matches using a "Draw-What-You-See" interface. Access a comprehensive database of maritime signals.
Nativity
Track ships in real time worldwide
Monitor maritime vessels with real-time tracking using AIS data. View detailed vessel information including position, speed, and course. Access global ship movements and historical data for analysis. Set alerts for specific vessels or locations.
Nautica SIA
Learn chartwork and safety rules
Learn fundamentals with interactive lessons on chartwork, safety, buoyage, light signals, shapes, sound signals, meteorology, GMDSS, and anchoring. Take quizzes to test knowledge and track progress.
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