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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back to top ColRegs Home>ColRegs>Steer & Sail Rules>All Vessels>Risk of Collision Proper use shall be made of radar equipment if:  fitted and  operational  This includes:  long-range scanning to obtain early warning of risk of collision radar plotting or equivalent systematic observation of detected objects Reminder  It’s worth restating that this rule applies to:  all vessels in every situation  where the ColRegs apply ... which is:  on the high seas and all waters connected therewith navigable by sea-going vessels  Sea-going vessels can be quite small! Compass bearing of a vessel being measured against a distant object A fishing vessel - a factor to be considered in safe speed Safe speed Sailing vessel showing area obscured by sails Look-out Determining risk of collision Diagram:  A vessel on collision course Diagram:  Vessels in and near a narrow channel Avoiding collision Narrow channels or fairways Diagram:  Traffic Separation Schemes in the English Channel Traffic Separation Schemes
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