Glossary
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TermDefinition
- General Nautical Terminology ODAS
The Ocean Data Acquisition System (ODAS) is a system used to collect, process, and transmit various types of oceanographic data. This system...
More Details - General Nautical Terminology Officer of the Watch (OOW)
The designated officer responsible for the safe navigation and operation of a vessel during their assigned watch period.
The Officer of the...
More Details - General Nautical Terminology OffshoreWind blowing away from the land or “being at sea”
- Courses, RYA Offshore Personal Survival (RYA/World Sailing)The Offshore Personal Survival course is an intensive program designed for sailors participating in offshore and ocean races. Participants learn... More Details
- General Nautical Terminology OilskinsWaterproof clothing worn in foul weather
- Flag Semaphore, Signals & Communication Letter O (Flag Semaphore)
Flag semaphore indicating the letter O.
- Morse Code, Signals & Communication Letter O (Morse Code)
International Morse Code sequence representing the letter O.
- General Nautical Terminology OnshoreWind blowing towards the land or “not at sea”.
- General Nautical Terminology On the Port BowAhead of a vessel at an angle to the bows, but forward of the beam, to the left
- General Nautical Terminology On the Port QuarterAt an angle to the stern of your vessel, but abaft the beam, to the left
- General Nautical Terminology On the Starboard BowAhead of a vessel at an angle to the bows, but forward of the beam, to the right
- General Nautical Terminology On the Starboard QuarterAt an angle to the stern of your vessel, but abaft the beam, to the right
- General Nautical Terminology OOW
The designated officer responsible for the safe navigation and operation of a vessel during their assigned watch period.
The Officer of the...
More Details - Phonetic Alphabet, Signals & Communication Oscar
Pronounced: OSS-cah
The term for the letter O in the NATO Phonetic Alphabet.
- General Nautical Terminology OuthaulA line with which the mainsail is hauled out along the boom
- General Nautical Terminology OverfallsTurbulent waters where is a sudden change in depth or where two tidal streams meet
- General Nautical Terminology Overhand loop
A loop that crosses on top of the standing part of a rope when tying a knot.
- General Nautical Terminology PainterThe line at the bow of a dinghy
- General Nautical Terminology, Safety, Signals & Communication Pan Pan
An internationally recognised maritime urgency signal used in radio communications to indicate a situation that is urgent but does not pose an...
More Details - Phonetic Alphabet, Signals & Communication Papa
Pronounced: pah-pah
The term for the letter P in the NATO Phonetic Alphabet.