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.
by Joseph Kim★ 5.04 ratingsNavigationFreeData updated 2026-09-06
Complete maritime navigation regulations reference.
The app provides the International Regulations for Preventing Collisions at Sea, 1972, and Inland Navigation Rules. It features an annotated table of contents, a search function, and a selected page for quick access to rules.
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.
Learn nautical rules with practice exams, detailed answers, and explanations. Access International and US Inland Navigation Rules. Review USCG exam questions and study resources. Track progress and test knowledge regularly.
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.
Learn and test knowledge of navigation rules with interactive quizzes and detailed explanations. Filter questions by category and difficulty. Track progress with performance analytics and proficiency reports.
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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.
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