International Code of Signal Flags |
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Even in these days of high tech radio and satellite communications, the U.S. Navy still employs the international alphabet flags, numeral pennants, numeral flags, and special flags and pennants for visual signaling. These signal flags are used primarily to communicate while maintaining a degree of radio silence. Navy Signalmen transmit messages by hoisting a flag or a series of flags on a halyard. Signals unique to the Navy are used when communicating with other U.S. Navy or allied forces. When communicating with all other vessels, the International Code of Signals is used. The code/answer pennant precedes all signals in international code.
All signal code flags and pennants are nylon, sewn throughout w/double-stiched seams and all in approved colors. You can order them with grommets or line and toggle. |
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3rd Repeat |
This flag means repeat third flag. |
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Alpha |
Diver down, keep clear. |
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Charlie |
Yes or Affirmative
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Code |
End of message or message understood. Also, numeric decimal point.
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Delta |
Manueuvering with difficulty; Keep Clear
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Echo |
Altering course to starboard
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Foxtrot |
Disabled; communicate with me. On aircraft carriers: Flight Operations underway
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Golf |
Golf: Require a pilot |
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India |
Coming alongside or altering course to port |
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International Code Signals Complete Sets |
Complete International Code of Signal Flag Sets include 26 Alphabet Flags, 11 Pennants and 3 Substitutes. All the flags, pennants, etc. are 100% nylon and sewn throughout with double-stitched seams and all in approved colors. Sizes 0 - 10 are supplied with your choice of line and toggle or grommets. Please choose. Size 14 international code of Signal flags are supplied with bronze snaps and rings.
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Flags |
Pennants |
Substitutes |
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0 |
1’ x 1¼’ |
8” x 2’ |
8” x 16” |
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2 |
1½’ x 2’ |
16” x 3’ |
1’ x 2’ |
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3 |
2’ x 2’ |
16” x 3’” |
28” x 32” |
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7 |
3’ x 3’ |
2’ x 4½’ |
2’ x 4’ |
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10 |
4’ x 4’ |
32” x 6’ |
32” x 64” |
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14 |
4’ x 6’ |
32” x 9’ |
32” x 64” | |
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Juliett |
On fire and have dangerous cargo; keep clear
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Kilo |
Desire to communicate
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Mike |
I am stopped; making no way.
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Papa |
All personnel return to ship; About to sail
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Quebec |
Boat recall; all boats return to ship. Meets health regs; request pratique
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Romeo |
Preparing to replenish (At sea). Ready duty ship (In port)
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Sierra |
Moving astern. Conducting flag hoist drill.
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Tango |
Do not pass ahead of me. Keep clear of me; engaged in trawling.
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Uniform |
Running into danger
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Victor |
Require assistance
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Whiskey |
Require medical assistance
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Xray |
Stop carrying out your intentions and watch for my signals.
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Yankee |
Am dragging anchor. Ship has visual communications duty.
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1st Repeat |
This code signal flag means, repeat first flag. |
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2nd Repeat |
This flag means repeat second flag. |
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