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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Annex II Fishing in Close Proximity Purse Seining  Animation:  purse seining with outlying gear ColRegs Home>ColRegs>Lights & Shapes>Animations>Fishing>Fishing in Proximity - Purse Seining - Gear to Port Vessel fishing in close proximity based on vessel making way engaged in purse seining with gear extending more than 150m to port back to top of vessels engaged in purse seining in proximity 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