Last updated Nov 24, 2023 | Maritime Dictionary
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,...
Last updated Nov 24, 2023 | Maritime Dictionary
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...
Last updated Nov 24, 2023 | Maritime Dictionary
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...
Last updated Nov 24, 2023 | Maritime Dictionary
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...
Last updated Nov 24, 2023 | Maritime Dictionary
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...
Last updated Nov 24, 2023 | Maritime Dictionary
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...
Last updated Nov 24, 2023 | Maritime Dictionary
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...