| FLAGS CODE |
| A |  | "I have a diver down" | N |  | "No, negative" |
| B |  | "I am carrying dangerous goods" | O |  | "Man overboard" |
| C |  | "Yes, affirmative" | P |  | "All aboard" |
| D |  | "Manoeuvring with difficulty, keep clear" | Q |  | "My vessel is healthy" |
| E |  | "I am going to starboard" | R |  | "No other meaning" |
| F |  | "I am disabled, communicate with me" | S |  | "I am propelling astern" |
| G |  | "I require a pilot" or "I am hauling
nets " | T |  | "Keep clear, I'm trawling" |
| H |  | "I have a pilot on board" | U |  | "You are heading for danger" |
| I |  | "I am going to port" | V |  | "I need assistance" |
| J |  | "I am on fire, dangerous cargo, keep clear" | W |  | "I need medical help" |
| K |  | "I want to talk" | X |  | "Stop and watch for my signals" |
| L |  | "You should stop now" | Y |  | "I am dragging anchor" |
| M |  | "My vessel is stopped" | Z |  | "I need a tugboat" |
| 0 |  | 5 |  | | |
| 1 |  | 6 |  | First substitute |  | | |
| 2 |  | 7 |  | Second substitute |  | | |
| 3 |  | 8 |  | Third substitute |  | | |
| 4 |  | 9 |  | Code and answering also full stop |  | | |
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