Glossary
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TermDefinition
- General Nautical Terminology, Navigation Horizontal Dilution of Precision (HDOP)
Used in satellite navigation and positioning systems to quantify the accuracy of horizontal position measurements. It is a unitless factor that...
More Details - General Nautical Terminology, Safety Horseshoe Lifebuoy
A U-shaped flotation device designed to be thrown to a person overboard to provide buoyancy and aid in rescue.
The horseshoe lifebuoy, also...
More Details - 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 watertight body or shell of a boat or ship, excluding the deck, rigging, and other superstructures.
The hull is the fundamental structure...
More Details - General Nautical Terminology Hull SpeedThe maximum efficient speed of a displacement-hulled vessel.
- General Nautical Terminology, Weather (Meteorology) Humber
Sea area of the Met Office Shipping Forecast. Lies off the east coast of England, near the Humber Estuary.
Named for the Humber Estuary...
More Details - 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 Hydrofoil
A lifting surface or structure mounted beneath a vessel's hull that, when moving through water, generates lift to raise the hull above the...
More Details - General Nautical Terminology Hydrography
The surveying and description of seas, coasts, seabeds and navigable waters.
This work provides the measurements and information used to...
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