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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Rule 27 Vessel Not Under Command  Animation:  not making way ColRegs Home>ColRegs>Lights & Shapes>Animations>Not Under Command>Not Under Command - Not Making Way Vessel not under command based on large merchant vessel NOT making way back to top of vessels not under command A large merchant vessel emitting smoke Not under command