COLREG Rule 3 – General Definitions Explained | Maritime Navigation Rules
COLREG Rule 3 – General Definitions explained in clear and simple language.
This video explains the key definitions used in the International Regulations for Preventing Collisions at Sea (COLREGs).
Understanding Rule 3 is essential for every:
• Deck Cadet
• Officer of the Watch (OOW)
• Chief Officer
• Captain
• Maritime student
In this rule we explain the meaning of important navigation terms such as:
• Vessel
• Power-driven vessel
• Sailing vessel
• Vessel engaged in fishing
• Vessel not under command (NUC)
• Vessel restricted in her ability to manoeuvre (RAM)
• Vessel constrained by her draught
• Seaplane
• Underway / Making way
These definitions are used throughout the entire COLREG convention and are fundamental for safe navigation at sea.
On this channel we explain ALL COLREG rules one by one in simple and practical language used on real ships.
⚓ If you are preparing for maritime exams or working at sea — this series will help you understand COLREG faster.
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