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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Rule 23 Power-Driven Vessel Underway Animation: under 50m ColRegs Home>ColRegs>Lights & Shapes>Animations>Power-Driven Underway>Power Under 50m - Tug Power-driven vessel underway under 50m based on a small tug showing 1 masthead light The vessel is not engaged in towing which would require differing lights of power-driven vessels under 50m underway back to top Power-driven vessel - a bulk carrier Power-driven general Power-driven vessel under 50m - a passenger vessell Under 50m Power-driven vessel under 12m - a motor cruiser Under 12m Power-driven vessel under 7m & 7kts - an excursion boat Under 7m and 7 knots Air-cushion vessel - USN hovercraft WIG craft (Russian) Air-cushion WIG A passenger boat under 50m and a RFA Lengths of vessels