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>Lights & Shapes>Fishing A vessel trawling (shows signal for vessel engaged in fishing)ing) When a vessel is not engaged in fishing she must show only the lights for her length   For example, a power-driven vessel under 50m underway: It’s not always possible to get the shapes exactly vertical! A fishing vessel NOT engaged in fishing (shows lights for a power-driven vessel under 50m underway) back to top Fish in proximity - purse seining Vessels in proximity engaged in purse seining Fish in proximity - trawling Vessels in proximity engaged in trawling Fishing other than trawling A vessel engaged in fishing "other than trawling" Trawling A vessel engaged in trawling
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