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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back to top ColRegs Home>ColRegs>Signals>Manoeuvring & Warn>Concern>Note: Signal Displayed Here it’s just visible above international code flag H: “Hover” mouse pointer over picture to view enlargement A Royal Navy warship with a small motor boat closing - risk of collision exists Unusually, the international code pennant was not displayed above the “D” flag It’s used to confirm that the signal is to be read from the international code instead of as a navy signal: A Royal Fleet Auxiliary displaying International Code flag H and Code Pennant “I have a pilot on board” A Royal Fleet Auxiliary displaying International Code flag H and Code Pennant This a much more common way for warships and auxiliaries to display flag signals - when not on operation or exercise International Code of Signals: Code and Answering Pennant “Keep clear of me; I am manoeuvring with difficulty”
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