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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ColRegs Home>ColRegs>Definitions>Non-Displacement Craft Non-Displacement Craft   Are not defined.  The most common are:  “air-cushion” vessels known as hovercraft and hydrofoils Air-cushion vessel - USN hovercraft Air-cushion vessel -known as an hovercraft Hydrofoil USN (USS Taurus) Hydrofoil back to top
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