 | A - Diver below (when stationary); I am undergoing a speed trial | Alpha |
|---|---|---|
 | B - I am taking on or discharging explosives | Bravo |
 | C - (affirmative) | Charlie |
 | D - keep clear of me, I am manoevering with difficulty | Delta |
 | E - I am altering my course to starboard | Echo |
 | F - I am disabled, communicate with me | Foxtrot |
 | G - I require a pilot | Golf |
 | H - I have a pilot on board | Hotel |
 | I - I am altering my course to port | India |
 | J - I am going to send a message by semaphore | Juliett |
 | K - you should stop your vessel instantly | KIlo |
 | L - you should stop, I have something important to communicate | Lima |
 | M - I have a doctor on board | Mike |
 | N - no (negative) | November |
 | O - man overboard | Osca |
 | P - the Blue Peter - all aboard, vessel is about to proceed sea. (At sea) your lights are out or burning badly | Papa |
 | Q - my vessel is healthy and I request free practique | Quebec |
 | R - the way is off my ship. You may feel you way past me | Romeo |
 | S-I am operating stern propulsion | Sierra |
 | T - do not pass ahead of me | Tango |
 | U - you are standing into danger | Uniform |
 | V - I require assistance (not distress) | Victor |
 | W - I require medical assistance | Whiskey |
 | X - stop carrying out your intentions and watch for my signals | X-ray |
 | Y - I am carrying mails | Yankee |
 | Z - to be used to address or call shore stations | Zulu |
| Answering Penant | ||
 | Code and answering pennant. | |
| Numeric Pennants | ||
 | 0 | Zero |
 | 1 | One |
 | 2 | Two |
| 3 | Three |
 | 4 | Four |
 | 5 | Five |
 | 6 | Six |
 | 7 | Seven |
 | 8 | Eight |
 | 9 | Nine |
| Substitute Pennants | ||
 | Substitute 1 | |
 | Substitute 2 | |
 | Substitute 3 |
