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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A fleet of fishing vessels at night ColRegs Home>ColRegs>Lights & Shapes>Fishing>Fishing in Proximity Trawling Annex II Fishing in Close Proximity Trawling A fleet of vessels fishing in proximity But when fishing in close proximity:  a vessel:  under 20m may 20m or more shall  exhibit two lights in a vertical line when:  shooting nets:  both white back to top Extra lights are given for vessels fishing in close proximity  They are given here for completeness ...   but for most mariners when confronted with a fleet of fishing vessels, the advice is ...  keep well clear! Here is a trawler under 50m, making way, exhibiting the usual lights: Trawler under 50m making way - seen from starboard Trawler under 50m making way - seen from starboard - shooting nets hauling nets:  upper white lower red Trawler under 50m making way - seen from starboard - hauling nets Trawler under 50m making way - seen from starboard - net has come fast net has come fast on an obstruction:  both red These lights are visible from a lesser distance than the other lights a vessel engaged in trawling is obliged to exhibit   and  when pair trawling, a searchlight directed:  forward and towards  the other vessel in the pair Two vessels under 50m pair trawling making way Two vessels under 50m pair trawling making way - both shooting nets Two vessels under 50m, making way, pair trawling Two vessels under 50m, making way, pair trawling both shooting nets ... and nearer vessel with masthead light! These various combinations of lights can become complicated, for example: While the fleet from the top of the page might look like this: 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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