Glossary
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TermDefinition
- Phonetic Alphabet, Signals & Communication Hotel
Pronounced: hoh-TELL
The term for the letter H in the NATO Phonetic Alphabet.
- General Nautical Terminology HoundsAttachments of stays to masts.
- General Nautical Terminology House flagAny personal flag or club flag flown from starboard spreaders or flagstaff.
- General Nautical Terminology Hull
The hull of a ship or boat is the main body or shell that forms the outer structure of the vessel. It is typically made of metal, fibreglass, or...
More Details - General Nautical Terminology Hull SpeedThe maximum efficient speed of a displacement-hulled vessel.
- General Nautical Terminology, Weather (Meteorology) Hurricane Force
Beaufort Scale - Force 12 (Hurricane Force 12)
Hurricane-force is a term used to describe wind speeds equal to or greater than 64 knots (74...
More Details - General Nautical Terminology HydrofoilA boat with wing-like foils mounted on struts below the hull, lifting the hull entirely out of the water at speed and allowing water resistance to... More Details
- General Nautical Terminology HydrographyThe science of surveying the waters of the earth and adjacent land area, and publishing the results in charts, pilots, etc, for example Admiralty... More Details
- General Nautical Terminology IALA
The International Association of Lighthouse Authorities (IALA) is an international organisation that aims to promote safe, efficient, and...
More Details - Flag / Pennant, Signals & Communication Code Flag India (I)
The International Maritime Signal Flag India.
Meaning
I am altering course to port.
- Flag / Pennant, General Nautical Terminology, Signals & Communication ICS
A system of flags, codes, and symbols used by ships to communicate essential messages and ensure safety at sea, regardless of language...
More Details - General Nautical Terminology, Navigation IHO
An intergovernmental organisation dedicated to ensuring the uniformity and standardisation of hydrographic and nautical charting practices...
More Details - Flag Semaphore, Signals & Communication Letter I (Flag Semaphore)
This shape represents the Letter I (Flag Semaphore) and the Number 9 (Flag Semaphore).
- Morse Code, Signals & Communication Letter I (Morse Code)
International Morse Code sequence representing the letter I.
- Organisation IMO
A specialised agency of the United Nations headquartered in London and responsible for regulating shipping, the IMO has 175 Member States.
The...
More Details - General Nautical Terminology Impeller
An impeller is a rotating component within a pump or compressor that is used to impart motion to a fluid. It typically consists of blades or...
More Details - Phonetic Alphabet, Signals & Communication India
Pronounced: IN-dee-ah
The term for the letter I in the NATO Phonetic Alphabet.
- General Nautical Terminology In IronsWhen a sailing vessel has lost its forward momentum while heading into the wind, rendering it unable to steer.
- General Nautical Terminology InshoreNear to or towards or in the direction of the shore
- General Nautical Terminology In StaysWhen the bow points directly into the wind with the sails flapping during the process of going about