I have a diver down; keep well clear at slow speed. With three numerals, azimuth or bearing. Image File history File links ICS_Alpha. ... Scuba diving is swimming underwater while using self-contained breathing equipment. ...

I am taking in, or discharging, or carrying dangerous goods. (Originally used by the Royal Navy specifically for military explosives.) Image File history File links ICS_Bravo. ... The Royal Navy of the United Kingdom is the oldest of the British armed services (and is therefore the Senior Service). ...

Affirmative. ^[1] With three numerals, course. Image File history File links ICS_Charlie. ...

Keep clear of me; I am maneuvering with difficulty. With two, four, or six numerals, date. Image File history File links ICS_Delta. ...

I am altering my course to starboard. Image File history File links ICS_Echo. ... A view of the Starboard side of the Arleigh Burke-class guided missile destroyer USS Ross Starboard is the nautical term that refers to the right side of a vessel as perceived by a person on board the ship and facing the bow (front). ...

I am disabled; communicate with me. Image File history File links ICS_Foxtrot. ...

I require a pilot. When made by fishing vessels operating in close proximity on the fishing grounds it means: "I am hauling nets". With four or five numerals, longitude. (The last two numerals denote minutes and the rest degrees.) Image File history File links ICS_Golf. ... left|Signal flag H(Hotel) - Pilot on Board Boarding is tricky, as both vessels are moving and cannot afford to slow down. ...

I have a pilot on board. Image File history File links ICS_Hotel. ...

I am altering my course to port. Image File history File links ICS_India. ... Port is the nautical term (used on boats and ships) that refers to the left side of a ship, as perceived by a person facing towards the bow (the front of the vessel). ...

I am on fire and have dangerous cargo on board: keep well clear of me, or I am leaking dangerous cargo. Image File history File links ICS_Juliett. ...

I wish to communicate with you. With one numeral, I wish to communicate with you by; 1) Morse signalling by hand-flags or arms; 2) Loud hailer (megaphone); 3) Morse signalling lamp; 4) Sound signals. Image File history File links ICS_Kilo. ...

In harbor: The ship is under Quarantine.
At sea: You should stop your vessel instantly. With four numerals, latitude. (The first two denote degrees and the rest minutes.) Image File history File links ICS_Lima. ... Quarantine, a medical term (from Italian: quaranta giorni, forty days) is the act of keeping people or animals separated for a period of time before, for instance, allowing them to enter another country. ...

My vessel is stopped and making no way through the water. Image File history File links ICS_Mike. ...

Negative. ^[2] Image File history File links ICS_November. ...

Man overboard. (often attached to the man overboard pole on boats). Also the flag used for semaphore. Image File history File links ICS_Oscar. ... Man Overboard refers to several different things: Man Overboard is a term generally related to situations where a person has fallen off a boat or ship, and the need exists to rescue that person. ... This article or section does not adequately cite its references or sources. ...

The Blue Peter.
In harbor: All persons should report on board as the vessel is about to proceed to sea.
At sea: It may be used by fishing vessels to mean: "My nets have come fast upon an obstruction". Image File history File links ICS_Papa. ...

My vessel is "healthy" and I request free pratique. Image File history File links ICS_Quebec. ... Pratique is the license given to a ship to enter port on assurance from the captain to convince the authorities that she is free from contagious disease. ...

The way is off my ship. With one or more numerals, distance in nautical miles. Image File history File links ICS_Romeo. ...

I am operating astern propulsion. With one or more numerals, speed in knots. Image File history File links ICS_Sierra. ...

Keep clear of me; I am engaged in pair trawling. With four numerals, local time. (The first two denote hours and the rest minutes.) Image File history File links ICS_Tango. ... // Trawling Double-rigged shrimp trawler hauling in the nets Trawling is a method of fishing that involves actively pulling a fishing net through the water behind one or more boats. ...

You are running into danger. Image File history File links ICS_Uniform. ...

I require assistance. With one or more numerals, speed in kilometres per hour. Image File history File links ICS_Victor. ...

I require medical assistance. Image File history File links ICS_Whiskey. ...

Stop carrying out your intentions and watch for my signals. Image File history File links ICS_X-ray. ...

I am dragging my anchor. Image File history File links ICS_Yankee. ... A stocked ships anchor. ...

I require a tug. When made by fishing vessels operating in close proximity on the fishing grounds it means: "I am shooting nets". With one or more numerals, time (UTC). (The first two denote hours and the rest minutes.) (Origin of the phrase 'Zulu Time'.) Image File history File links ICS_Zulu. ... The Le Four manoeuvering in Brest harbour A tugboat, or tug, is a boat used to manoeuvre, primarily by towing or pushing other vessels (see shipping) in harbours, over the open sea or through rivers and canals. ... Coordinated Universal Time (UTC) is a high-precison atomic time standard. ...