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HMS Royal Charles (1660)
HMS Royal Charles was an English first-rate ship of the line launched in 1655 as Naseby, renamed at the Restoration, and captured by the Dutch in 1667.
HMS Royal Oak (08)
HMS Royal Oak was a British Revenge-class battleship launched in 1914 and sunk at Scapa Flow in October 1939 by the German submarine U-47, with 835 dead.
HMS Scott (H131)
HMS Scott is a Royal Navy ocean survey vessel, commissioned in 1997 to map the deep ocean floor with multibeam sonar as the only ship of her class.
HMS Surprise (replica ship)
HMS Surprise is a replica 18th-century British frigate at the Maritime Museum of San Diego, known for her role in the 2003 film Master and Commander.
HMS Vanguard (S28)
HMS Vanguard (S28) is a Royal Navy ballistic missile submarine, lead boat of the Vanguard class, commissioned in 1993 to carry Trident missiles for Britain's nuclear deterrent.
HMS Victory
HMS Victory is a 104-gun Royal Navy ship of the line launched in 1765, best known as Lord Nelson's flagship at the Battle of Trafalgar in 1805.
HMS Warspite (03)
HMS Warspite was a Royal Navy Queen Elizabeth-class battleship launched in 1913 that fought at Jutland and served as Admiral Cunningham's Mediterranean flagship in the Second World War.
HMT Empire Windrush
HMT Empire Windrush, formerly the German liner Monte Rosa, was a British troopship whose 1948 voyage from the Caribbean marked the symbolic start of post-war Caribbean migration to Britain.
HMY Britannia
HMY Britannia, also known as the Royal Yacht Britannia, was the British Royal Yacht serving Queen Elizabeth II for 44 years until its decommissioning in 1997.
Hobart-class destroyer
The Hobart class is a class of three Aegis-equipped guided missile destroyers of the Royal Australian Navy, built in South Australia and led by HMAS Hobart, commissioned in 2017.
Hobie Cat
Hobie Cat is a brand of beach-launched sailing catamarans created by surfer and boatbuilder Hobie Alter, whose Hobie 14 (1967) and Hobie 16 (1970) are sailed worldwide.
Hōkūleʻa
Hōkūleʻa is a replica of a traditional Hawaiian double-hulled voyaging canoe launched in 1975 by the Polynesian Voyaging Society, best known for sailing across the Pacific using non-instrument navigation.
Holland America Line
Holland America Line, or Holland-Amerika Lijn, is a cruise line founded in Rotterdam in 1873 as a passenger and cargo steamship service to New York, now a Carnival Corporation brand.
Home Children
Home Children were impoverished and orphaned British children sent to Canada, mainly between 1869 and 1932, to work as farm laborers and domestic servants under emigration schemes.
Hong Kong International Convention for the Safe and Environmentally Sound Recycling of Ships
The Hong Kong Convention, adopted by the International Maritime Organization in Hong Kong in 2009, sets mandatory global rules for the safe, environmentally sound recycling of ships.
Hong Kong Shipping Register
The Hong Kong Shipping Register is Hong Kong's autonomous ship register, operated by its Marine Department, ranked fourth in the world by tonnage in 2024 and positioned as a quality flag.
Horizon-class frigate
The Horizon-class frigate (Orizzonte class) is a class of four air-defense frigates built jointly by France and Italy, two for each navy, armed with the PAAMS missile system.
Hospital ship
Hospital ship: a floating medical treatment vessel protected under the Second Geneva Convention. Examples include the US Navy's Mercy-class USNS Mercy and Comfort, China's Peace Ark, and Mercy Ships' Global Mercy.
Houseboat
A houseboat, also called a shantyboat, is a boat or floating structure that provides accommodation on water, used as a residence, vacation craft, or tourist vessel.
Houston Ship Channel
The Houston Ship Channel is a 52-mile dredged waterway in Texas connecting the Port of Houston to Galveston Bay and the Gulf of Mexico, opened in 1914.
Hovercraft
A hovercraft, formally an air cushion vehicle, is an amphibious craft that rides above water, ice, mud, and sand on a cushion of pressurized air held by a flexible skirt.
HSC Hoverspeed Great Britain
HSC Hoverspeed Great Britain was a 73.6-meter wave-piercing catamaran ferry built by Incat in 1990 for the British cross-Channel operator Hoverspeed, the first of her type to carry vehicles commercially.
Hudong-Zhonghua Shipbuilding
Hudong-Zhonghua Shipbuilding (沪东中华造船) is a state-owned shipyard in Shanghai, a subsidiary of China State Shipbuilding Corporation best known as China's leading builder of large LNG carriers, including the 271,000 cubic meter QC-Max class for QatarEnergy.
Hudson River Day Line
The Hudson River Day Line was an American steamboat company running passenger service between New York City and Albany on the Hudson from 1863 to 1948.
Hull (watercraft)
The hull, also called the ship's hull, is the watertight body of a ship or boat, displacing water for buoyancy and housing cargo and crew.
Hull classification symbol
A hull classification symbol, also called a hull designation symbol, is the letter code for a US Navy ship's type, such as CVN or DDG, which with a hull number forms the ship's official designation.
Hull number
A hull number is a classification symbol plus a sequential number identifying an individual navy ship, as in USS Fletcher (DD-445); the US Navy adopted the system in 1920.
Human torpedo
The human torpedo, or manned torpedo, is a small submersible carrying one or two divers who attach a detachable explosive charge to an anchored enemy ship, then escape.
Hunter Marine
Hunter Marine was an American sailboat builder founded by Warren Luhrs in 1972 in Alachua, Florida, which grew into one of the two largest US sailboat builders before its 2012 bankruptcy.
Hurtigruten
Hurtigruten is a Norwegian shipping company founded in 1893 that operates the Coastal Express, sailing year-round between Bergen and Kirkenes and calling at 34 ports on a 12-day round trip.