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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If it is not practicable for a WIG craft (or seaplane) to exhibit:  the prescribed:  lights and  shapes  correct:  shape characteristics position  she shall comply as closely as possible ColRegs Home>ColRegs>Lights & Shapes>Power-Driven Underway>WIG Craft Small WIG craft flying past spectators (UHXRW Hoverwing) Lights for a WIG craft under 12m Image with Permission:  US Navy’s Office of  Information, Washington, DC 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
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