Sail Skills - ColRegs Free Guide to ColRegs (the International Regulations for Preventing Collisions at Sea, the IRPCS or Collision Regs).  Guidance covers all aspects with animations, pictures and diagrams.  Aimed at small vessel users but suitable for professional mariners.  Especially recommended for RYA examination candidates.
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Silhouette of a yawl showing length overall ColRegs Home>ColRegs>Definitions>Length Rule 3 (j) Length  Means length overall (loa) back to top This may seem obvious (but there are other ways of measuring a vessel’s length!)
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