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Signal flags quiz

Ten questions on the International Code of Signals: the letter flags and what the single-letter signals mean.

10 questions · answers explained · no sign-up

Question 1 of 10

Which flag is A (Alfa)?

Answers

Correct!Not quite. The answer is A – Alfa.

A (Alfa): I have a diver down; keep well clear at slow speed. In Morse:

Question 2 of 10

Which letter is this flag?

Answers

Correct!Not quite. The answer is B – Bravo.

B (Bravo): I am taking in, discharging or carrying dangerous goods. In Morse:

Question 3 of 10

Which letter is this flag?

Answers

Correct!Not quite. The answer is O – Oscar.

O (Oscar): Man overboard. In Morse:

Question 4 of 10

Which flag is N (November)?

Answers

Correct!Not quite. The answer is N – November.

N (November): Negative ("no"). In Morse:

Question 5 of 10

A vessel flies this single flag. What does it mean?

Answers

Correct!Not quite. The answer is I have a diver down; keep well clear at slow speed.

A (Alfa): I have a diver down; keep well clear at slow speed. In Morse:

Question 6 of 10

Which flag means: "Man overboard"?

Answers

Correct!Not quite. The answer is Flag O.

O (Oscar): Man overboard. In Morse:

Question 7 of 10

A vessel flies this single flag. What does it mean?

Answers

Correct!Not quite. The answer is I require assistance.

V (Victor): I require assistance. In Morse:

Question 8 of 10

Which flag means: "My vessel is "healthy" and I request free pratique"?

Answers

Correct!Not quite. The answer is Flag Q.

Q (Quebec): My vessel is "healthy" and I request free pratique. In Morse:

Question 9 of 10

What are single-letter signals in the International Code used for?

Answers

Correct!Not quite. The answer is Very urgent, important or very common messages.

In the International Code of Signals the single-letter signals are allocated to messages that are very urgent, important or of very common use. (International Code of Signals)

Question 10 of 10

Which two-flag signal is a distress signal under Annex IV of COLREG?

Answers

Correct!Not quite. The answer is N over C.

Annex IV 1(f): the International Code signal of distress indicated by N.C. ("I am in distress and require immediate assistance"). (COLREG Annex IV, ICS)

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