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>Signals>Manoeuvring & Warn>Concern If you hear these sounds directed at you, you’re probably doing something wrong! This signal may be supplemented by a light signal comprising the same number of “short and rapid” flashes Note that this sound signal is required to be made by any vessel in doubt - not just power-driven ones back to top Diagram of a vessel approaching a bend where the view is obscured Diagram of vessels manoeuvring in sight of each other Diagram of one vessel overtaking another A Royal Navy warship with a small motor boat closing - risk of collision exists Power-driven altering course and astern Concern at another vessel Overtaking in narrow channel or fairway View obscured in narrow channel or fairway
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Uncertian of intentions (smaller vessel) MP3.mp3 Uncertian of intentions (large vessel) MP3.mp3