Sailors use special flags to send messages at sea.

Each flag has a meaning, some represent letters, others represent numbers.

The flag you see here is split into three colours:

Red, White and Blue

This design is not random, it is the international maritime signal flag, find out which number it signals.

How to solve the clue

Look closely at the colours and patterns on the flag.

Compare it to a chart of maritime signal flags.

Identify which number this particular flag represents.

HELP site: https://nmmc.co.uk/2024/06/guide-to-nautical-flags/