HERE ARE YOUR CLUES:
Each flag represents a letter of the
alphabet. The letter also has a name to help with communications via
radio - most yachtsmen have forgotten most of the code if they ever
learned it but any who visit foreign shores will know that the yellow
flag they are required to raise on arrival and retain in position until
they have completed Customs and Immigration - or quarantine - formalities is the plain
yellow 'Q' flag :
Although this letter doesn't feature in
the message, at least it's one you can eliminate!
If you're new to cracking codes, it may help to remind you that some
letters are used so frequently in any text that they can usually be
identified quite quickly - vowels, for example...
To get you started, in case you don't already
know the flags off by heart, here are two letters from the message:
To get back
to this puzzle directly from any page in MarineZine 1, click on this symbol at the top
or bottom of the page.