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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Mast with all-round lights back to top Warship mast showing obstruction of all-round lights ColRegs Home>ColRegs>Lights & Shapes>Lights General>Note: All-Round Lights Note: All-Round Lights Ships’ structures sometimes mean the light cannot be exhibited over an unbroken arc of 360°. This is permitted in the case of anchor lights (light(s) showing a vessel is at anchor) Otherwise, only a small amount of obstruction is permitted by masts and other structures. If the obstruction is too great, duplicate lights have to be fitted so that the lights appear as a single light at a distance of 1 mile Duplicate lights are fitted on the other side of this warship mast Vessel at anchor Mast with all-round lights Mast with all-round lights - more detailed view
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