Golf: "I require a pilot."When made by fishing vessels operating in proximity of 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.)
Papa: The Blue Peter. In harbour: 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.".
Zulu: "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.)**