Nautical Terms and Phrases

The letters of the alphabet are listed with their corresponding phonetic alphabet term. The phonetic alphabet is used when spelling terms over a radio so that the listener does not confuse one letter for another.

The terms will show up below the list of letters when you click a letter.

A - Alpha N - November
B - Bravo O - Oscar
C - Charlie P - Papa
D - Delta Q - Quebec
E - Echo R - Romeo
F - Foxtrot S - Sierra
G - Golf T - Tango
H - Hotel U - Uniform
I - India V - Victor
J - Juliet W - Whiskey
K - Kilo X - X-Ray
L - Lima Y - Yankee
M - Mike Z - Zulu




Unbend To cast adrift.
Underway Vessel in motion, i.e., when not moored, at anchor, or aground.
Unfurl To unfold or unroll a sail. The opposite of furl.
Union The upper inner corner of an ensign. The rest of the flag is called the fly. The union of the U.S. ensign is a blue field with white stars, and the fly is composed of alternate white and red stripes.
Union Jack A small flag, containing only the union, without the fly, usually hoisted at the bowsprit-cap.
Union-down The situation of a flag when it is hoisted upside down, bringing the union down instead of up. Used as a signal of distress.
Unmoor To heave up one anchor so that the vessel may ride at a single anchor.
Upwind To windward, in the direction of the eye of the wind.
USCG Common abbreviation for United States Coast Guard.
USNS Abbreviation for United States Naval Ship.
USS Abbreviation for United States Ship.
USSA Common abbreviation for United States Sailing Association.
USYRU Abbreviation for: United States Yacht Racing Union



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