Flags, their meaning at sea

Long before the invention of radio, communication between ships was done by sending flags aloft. Each flag represents a letter or a number and each one has a meaning. Back to a page of maritime culture.

Did you know? The navy has a flag alphabet. Each letter or number has a meaning. Flags form a language. Alone or in combination, they indicate a situation.

The best-known are the A, which means "I've got scuba divers", but the Q is also well known because you have to hoist it when you arrive in a new country, to apply for customs clearance...

In today's age of easy communications, flag-making is totally obsolete. But it still retains the charm of traditional sailing. And a little nautical culture never hurts.

Pavillon
Pavilion

A (Alpha)

I've got a scuba diver, so keep your distance and move slowly.

Pavillon
Pavilion

B (Bravo)

I load, unload or transport dangerous goods.

C (Charlie)

Yes (affirmative answer), or the preceding group must be understood as an affirmation

D (Delta)

Don't bother me, I'm maneuvering with difficulty

E (Echo)

I'm coming to starboard

F (Foxtrot)

I'm at a loss, please contact me.

G (Golf)

I need a pilot; From a fishing vessel: "I raise my nets"

H (Hotel)

I've got a pilot on board

I (India)

I'm coming to port

J (Juliet)

I've got a fire on board and I'm transporting dangerous goods, or I've got a leak of dangerous substances.

K (Kilo)

I wish to communicate with you or I invite you to transmit.

L (Lima)

Stop your ship immediately.

M (Mike)

My ship is stopped and has no way to go

N (November)

No (negative response), or the preceding signal must be understood in negative form.

O (Oscar)

Man overboard

P (Dad)

In port: All persons must report on board, as the ship is about to set sail.

Q (Quebec)

My ship is unharmed, I ask for free practice.

R (Romeo)

Procedure signal

S (Sierra)

I beat back.

T (Tango)

Don't mind me, I'm a twin trawler.

U (Uniform)

You're running into danger

V (Victor)

I need assistance

W (Whiskey)

Request for medical assistance

X (X-ray)

Stop your maneuvers and watch for my signals

Y (Yankee)

My hunting anchor

Z (Zulu)

I need a tugboat. "By a fishing vessel": I put my nets in the water.

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Overview

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2nd substitute

3rd substitute

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