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>Definitions>Not Under Command Rule 3 (f) Not Under Command  Vessel which:  through exceptional circumstances is unable to: manoeuvre as required by the rules, and therefore to keep out of the way of another vessel A large merchant vessel emitting smoke back to top The reasons need not be as dramatic as a fire, but could include:  rudder failure loss of engine control in a sailing vessel, gear failure that prevents sail adjustment
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