Ramsgate Lifeboat

Semaphore flag are usually red and yellow for signalling between ships at sea and blue and white for signalling to and from land

When you see the “Numerical” flag it means that everything after is a number. When the letter J (Alphabetic) flag is shown in the number, it means that the number is finished and the next sequence is alphabetic.
Semaphore flags games for kids can be found here and here.
International Maritime Signal Flags
Distress Flags
N + C
I am in distress
More details on the International Maritime Signal Flags can be found here.
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You are very welcome to link to this site, though any form of duplication requires written consent from me unless otherwise stated.

A charity registered in England and Wales (209603) and Scotland (SC037736).
Charity number CHY 2678 in the Republic of Ireland.