Flags · 25 questions
Name the maritime signal flag from its meaning
The message a signal flag sends is shown. Type that flag's letter, or the code word that stands for the letter. You get one try at each. A right answer moves on by itself, Enter locks in a guess, and Skip or typing ? passes.
About this quiz
Each letter flag of the International Code of Signals is a complete message when it is flown on its own. The message is shown and you type the flag's letter or code word. One letter has no meaning of its own and is left out, which leaves 25 questions.
Capital letters, accents and spaces are ignored when your answers are checked. You earn a bronze, silver or gold medal depending on how many you get right, and your best score is saved in this browser. There is no account to create.
Notes on the answers, and a fact contains spoilers
The letter without a meaning is R. O means man overboard, and A must be shown by any boat with a diver down. Q, a plain yellow flag, once meant quarantine. Today it means that the vessel is healthy.
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