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>Distress>SOS back to top Note that it can be very confusing to try to relate the light to the whistle - it can be best to concentrate on one or the other Diagram:  A square flag with a ball below A vessel in distress using SOS SOS Red rocket flare falling into the sea Flares & Shells Flag & Ball Diagram:  A float emitting orange smoke Diagram:  A silhouette of a person with arms outstretched to the side Orange Smoke Arms Outstretched
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