X X - Code flag; Stop carrying out your intentions and watch for my signals. The traditional signature of an illiterate seaman. Morse code; ▬ ● ● ▬. X-band - A radar with 3cm wavelength transmitting at 10,000MHz. Xebec - Small three-masted, lateen-rigged trading...
W - Code flag; I require medical assistance. Morse code; ● ▬ ▬. Waft - To convoy or escort, a vessel (16th century), 2 Weft. Wager Policy - Policy of marine insurance issued to an insurer who has not declared his interest in matter insured. If he has no interest,...
V - Code flag; I require assistance. Morse Code; ● ● ● ▬ V Bottom - A hull with the bottom section in the shape of a “V”. V flag + two numerals - Code flags; Speed in K.P.H. Vailing Topsail - Letting go topsail halyards as a salute. Valuation Clause - Inserted in a...
U - Code flag; You are standing into danger. Morse signal; ● ● ▬. U-boat - First and Second World War German submarine. Ullage -The distance from the top of a tank to its contents top surface. Ulloa's Circle - White 'rainbow' seen in fog, or at night. Ultimate...
T - Code flag; I am engaged in pair trawling. Sound signal; A power driven vessel making way in restricted visibility. Morse Code; ▬. T flag + Four Numerals - Code flags; Local time. Tab - Name sometimes given to tabling on a sail. Tab Nab - A small cake or biscuit...
S - Code flag; I am operating astern propulsion. Sound signal; I am operating astern propulsion. Morse code; ● ● ●. S Band - A radar with 10cm wavelength transmitting at 3000MHz. S flag + two numerals - Code flags; Speed in Knots. Sabik - Star η Ophiuchi. S. H. A....
R - Code flag; No single letter meaning. Sound signal; Additional warning at any time when anchored. 'R' - The point of definition of mean time. As it is directly opposite to mean Sun, in Equinoctial, its position is that of mean Sun plus or minus 12 hours of R. A....
Q - Code flag; My vessel is healthy and I request free practique. Morse Code; ▬ ▬ ● ▬. Q Ship - Merchant vessel with concealed armament, and manned by naval crew, that decoyed German submarines into gun range during 1914-18 war. Quadrant - Quarter of a circle. 2....
P - Code flag; All to report aboard, the vessel is about to sail. By a fishing vessel, my nets are fast on an obstruction. Morse Code; ● ▬ ▬ ●. P Code - High accuracy and restricted access code in GPS positioning. Pacific Rim - The regions bordering the Pacific Ocean....
O - Code flag; Man overboard. Morse Code; ▬ ▬ ▬. O.B.O. Ship - A multipurpose ship that can carry Ore, heavy dry Bulk goods or Oil. They can make return journeys with cargo rather than empty as single-purpose ships often must. Related Article: Types of Merchant Ships...
N - Code flag; No (negative). Morse Code; ▬ ●. Nacodah - Master of an Arab dhow ('Nakhoda'). Nadir - Point in heavens diametrically opposite zenith. Nail Sick - Minor leaks caused by erosion of nails in a wooden hull. Name of Ship - That name appearing in her...
M - Code flag; My vessel is stopped and making no way. Sound signal; My vessel is stopped and making no way, in restricted visibility. Morse Code; ▬ ▬. M.T. - Motor Tanker. M.V. - Motor Vessel. Mac Ships - Merchant vessels converted into aircraft carriers during...
L - Code flag; You should stop your vessel instantly. Morse Code; ● ▬ ● ●. L flag + four numerals - Code flags; Latitude. La Niña - See El Niño. Label Clause - Inserted in policies of marine insurance covering bottled goods. Excludes claims for damaged or discoloured...
K - Code flag; I wish to communicate with you. Morse Code; ▬ ● ▬. K.B. - The height above the keel of the centre of buoyancy. K.G. - The height of the vertical centre of gravity above the keel or base line. K.P.I. - Key performance indicator (critical statistics)....
J - Code flag; I am on fire with dangerous cargo. Morse Code; ● ▬ ▬ ▬. Jack - A national or variation of a national flag. 2. Crosstrees. 3. Instrument or machine for lifting heavy weights. 4. Colloquial name for a seaman. Jack Block - Large wooden block used when...
I - India. Code flag; I am altering my course to port. Sound signal; I am altering my course to port. Morse Code; ● ●. I Bar - Flat rolled steel section with small flat flange across longitudinal edges. Ice - Water that has congealed due to lack of heat. Fresh water...
H - Code flag; I have a pilot on board. Sound signal; I have a pilot on board, in restricted visibility. Morse Code; ● ● ● ● H Bar - Rolled steel section of H shape. Haar - Local name for a wet sea fog off E. Coast of Scotland. Hachures - Shading lines on charts to...
G flag + three numerals - Code flags; Longitude. Morse Signal; ▬ ▬ ●. Code flag; I require a pilot. By fishing vessel - I am hauling my nets. Sound signal; I intend overtaking on your starboard side. G.M. - The initial transverse metacentric height, measured in metres...
F - Code flag; I am disabled, communicate with me. Morse code ● ● ▬ ●. F Region - 'Appleton Layer.' Face Piece - Timber on fore part of knee of head to allow for shortening of bolts and for simplifying fitting of main piece. Face Plate - A stiffening plate welded...
E - Code flag; I am altering my course to starboard. Sound signal; I am altering my course to starboard. 'E' - Time value that represents the westerly hour angle of a heavenly body from the point of definition of mean time. Local mean time added to 'E' is hour angle...
D - Code flag; Keep clear of me, I am manoeuvring with difficulty. Sound signal; Vessel with manoeuvring limitations in restricted visibility. D - Morse Code ▬ ● ● D flag + six numerals - Code flags; Date. D shacke - Shackle having its sides parallel to one another....
C ▬ ● ▬ ● C - Code flag; Affirmative. Sound signal; Affirmative. C flag + three numerals - Course. Cab - Name given to screened shelter at wing of a navigating bridge. Caban or Cabane - Old spelling of 'Cabin'. Cabin - Small compartment in a ship set apart for use of...
B - ▬ ● ● ● B-class division - Divisions made of incombustible material and capable of preventing the passage of smoke and flame up to the end of the first ½ hour of the standard fire test. B - Code flag; I am loading, carrying or discharging dangerous cargo. Sound...
A - When applied to a temperature, denotes that it has been measured from Absolute zero and is expressed in Centigrade or Celsius units. A - Code flag; Diver below, keep well clear at slow speed. A - Morse Code Alpha. ● ▬A.1. - Classification symbol denoting character...
Tanker ships, commonly known as "tankers" in the maritime world, are special kinds of vessels designed to carry liquid cargo in bulk. Anything of liquid form can be transported through these ships. Since there are thousands of various liquid goods out there, there are...