Marine Signal Flags
These flags are international signals used by ships at sea to spell out short messages, or more commonly, used individually or in combination they have special meanings.
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Diver below (when stationary); Keep clear see note... |
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I am taking on, discharging, or carrying dangerous cargo | |
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"Yes" or "affirmative" | |
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I am maneuvering with difficulty; keep clear | |
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I am altering my course to starboard | |
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I am disabled, communicate with me | |
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I require a pilot | |
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I have a pilot on board | |
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I am altering my course to port | |
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I am on fire and have dangerous cargo; keep clear | |
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I wish to communicate with you | |
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You should stop your vessel immediately | |
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My vessel is stopped (Not international but commonly used: Doctor on board) | |
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"No" or "negative" | |
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Man overboard | |
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All personnel return to ship; about to sail - the Blue Peter | |
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Ship meets health regulations; request clearance into port | |
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None (previous meaning: The way is off my ship. You may feel your way past me) | |
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I am moving astern | |
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Keep clear (Not international but commonly used: Request for club launch) | |
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You are standing into danger | |
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I require assistance (not distress) | |
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I require medical assistance | |
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Stop carrying out your intentions and watch for my signals | |
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I am dragging anchor | |
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I require a tug | |
| Combination Example | ||
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There are many flag combinations with
additional meanings. Here's one that we hope you won't have
to use: N + C I am in distress |
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| Diver Down | ||
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The red flag with white diagonal stripe, while not international, is commonly used to indicate a diver in the water. Many states now require this flag. It is usually exhibited on a float to mark the diver's approximate location whereas the "A" flag should be used on the vessel. | |
Any questions not addressed in the above pages or in this website, should be
forwarded by email to Technical Support.
- http://www.ecophotoexplorers.com/contacts.asp?subject=Technical Support#form







































