[Almostafish]

Alpha flag: Blue and white flag means in the international code of signal flags- I have divers down, keep clear of me at low speed. Also ._ in Morse.

To be honest you can put all the flags in the world up but if the person in the craft does not know them.. useless.

I am a profesional merchant seaman studying to take a Tug masters ticket and to be honest not many people in boats ( small stuff ) have a scooby what they are doing. RYA are good tickets but still very much governed but what style of Musto you like, When one has a G&T on the go and the beepey auto pilot thing on life is good... and all that.

Use your senses and understand that they have as much right to be there as we do...