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>Mnemonics yellow over white towline’s tight Printable mnemonics Pdf file (Opens in new window Adobe Reader Required) Picture of printable sheet of mnemonics two whites in in a row is a short tow white over white over white long tow in sight red over green is a sailing machine (but rarely seen) green over white trawling tonight red over white fishing tonight two red the captain’s abed red white red restricted ahead green green good (the green lights indicate the “safe” side) diamonds are our best friend (the diamonds indicate the “safe” side) red red red rudder rubbing rocks white over red pilot ahead some people prefer to remember this by thinking of the: white cap over the breathless flushed face of the pilot after climbing all the way from the boat to the ship’s bridge! pilot ahead anchor light(s) with two red mean I’m stuck to the seabed Towing and Pushing A vessel towing seen from astern A vessel engaged in towing showing a towing light over a sternlight Vessel under 50m engaged in towing - length of tow not more than 200m A vessel under 50m engaged in towing showing two masthead lights to indicate towing but the length of the tow is not more than 200m Vessel under 50m engaged in towing - length of tow more than 200m A vessel under 50m engaged in towing showing three masthead lights to indicate towing length of the tow is more than 200m Vessel Under Sail (Optional Lights) A vessel under sail showing optional lights A vessel under sail showing optional red over green lights these lights are not very common Fishing A vessel under 50m making way, engaged in trawling showing signal, all-round lights and sidelight A vessel under 50m engaged in trawling making way A vessel engaged in fishing other than trawling showing signal, all-round lights and sidelight A vessel engaged in “fishing other than trawling” making way Not Under Command A merchant vessel showing the signals for a vessel not under command A vessel not under command not making way Restricted Ability to Manoeuvre A vessel recovering a navigation mark - restricted in her ability to manoeuvre A vessel restricted in her ability to manoeuvre not making way A vessel engaged in underwater operations where an obstruction exists on her starboard side - not making way A vessel restricted in her ability to manoeuvre engaged in dredging or underwater operations with obstruction on her port side A vessel restricted in her ability to manoeuvre engaged in dredging or underwater operations obstruction on her starboard side not making way A vessel restricted in her ability to manoeuvre engaged in dredging or underwater operations obstruction on her port side Vessel Constrained by her Draught Vessel constrained by her draft seen from ahead A vessel constrained by her draught Pilot Vessels Vessel engaged in pilotage duties underway A vessel engaged in pilotage duty underway Drawing: a "pilot" with a red face - breathless from climbing to the ship's bridge - wearing a cap with a white cove A breathless, flushed pilot! Aground Two vessels aground - smaller is under 50m Two vessels aground Under 50m only one anchor light exhibited Lights give no indication of length back to top
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