A: I have a diver down. B: I am taking in or discharging of C: Yes D: Keep clear of me. I am manoeuvring with difficulty E: I am altering my course to starboard F: I am disabled. Communicate with me G: I require a pilot H: I have a pilot on board I: I am altering my course to port J: I am on fire K: I wish to communicate with you L: You should stop your vessel instantly M: My vessel is stopped and making no way trough the water N: No O: Man overboard P: All persons should report on board Q: My vessel is healthy and I request free pratique R: --- S: My engines are going astern T: Keep clear of me. I am engaged in pair trawling U: You are running into danger V: I require assistance W: I require medical assistance X: Stop carrying out your intentions and watch for my signal Y: I am dragging my anchor Z: I require a tug