1,577 articles
Polarstern
Polarstern is a German research icebreaker operated by the Alfred Wegener Institute in Bremerhaven, commissioned in 1982 to work alternately in the Arctic and Antarctic.
Polski Rejestr Statków
Polski Rejestr Statków (PRS, Polish Register of Shipping) is Poland's classification society, a State Treasury-owned joint-stock company seated in Gdańsk that surveys ships, publishes technical rules, and issues certificates.
Polyethylene glycol treatment
Polyethylene glycol (PEG) treatment is a conservation method that impregnates waterlogged archaeological wood with PEG, replacing water inside the cells so the wood does not crack or shrink when dried.
Poon Lim (潘濂)
Poon Lim (潘濂) was a Chinese merchant seaman who survived 133 days alone on a raft in the South Atlantic in 1942 and 1943, the longest recorded survival adrift at sea.
Porpoising
Porpoising is a longitudinal instability of high-speed planing craft and seaplane floats, where the hull oscillates in coupled pitch and heave and can grow until it capsizes the boat.
Port
A port, also called a seaport, is a facility on a coast or shore where ships load and unload cargo and passengers; Shanghai handled the most containers in 2024.
Port and starboard
Port and starboard are the nautical terms for the left and right sides of a vessel facing the bow, unambiguous regardless of the observer's orientation.
Port Klang
Port Klang (Malay: Pelabuhan Klang), historically Port Swettenham, is Malaysia's largest port in Selangor, handling 15.14 million containers in 2025 and ranking 10th busiest in the world.
Port of Algeciras
The Port of Algeciras is Spain's largest port by cargo volume, a major container transshipment hub on the Strait of Gibraltar handling over 100 million tonnes yearly.
Port of Busan
The Port of Busan (부산항) is South Korea's largest seaport, opened in 1876 at the southeastern tip of the Korean Peninsula and handling about 75 percent of its container cargo.
Port of Callao
The Port of Callao is Peru's principal seaport, located near Lima on the Pacific coast, handling about 70% of national maritime cargo through two private terminals.
Port of Chancay
The Port of Chancay, also known as the Chancay Mega-port, is a deep-water megaport north of Lima, Peru, built and majority owned by China's COSCO Shipping.
Port of Chittagong
The Port of Chittagong, also called Chattogram Port, is the principal seaport of Bangladesh, a riverine port on the Karnaphuli River that handles about 92 percent of national trade.
Port of Colombo
The Port of Colombo is the largest and busiest port in Sri Lanka and its principal container gateway, handling a record 8.29 million TEUs in 2025.
Port of Durban
The Port of Durban is a harbor on South Africa's Indian Ocean coast at Durban, KwaZulu-Natal, and the country's main seaport, handling about 46% of national container traffic.
Port of Felixstowe
The Port of Felixstowe, also known as Felixstowe Docks, is the United Kingdom's largest container port, located in Felixstowe, Suffolk, and operated by the Hutchison Ports group.
Port of Gdansk
The Port of Gdansk (Port Gdańsk) is Poland's largest seaport and the largest container port in the Baltic Sea region, located ice-free on Gdańsk Bay at the Vistula estuary.
Port of Gothenburg
The Port of Gothenburg (Göteborgs hamn) is Scandinavia's largest port, handling about 20% of Swedish trade and more than half of the country's container traffic.
Port of Guangzhou
The Port of Guangzhou (广州港) is a seaport and river port on the Pearl River in Guangzhou, China, ranking fifth in cargo and sixth in containers worldwide in 2025.
Port of Hamburg
The Port of Hamburg is a seaport on the tidal River Elbe, founded in 1189, Germany's largest seaport and Europe's third largest container port after Rotterdam and Antwerp-Bruges.
Port of Ho Chi Minh City
The Port of Ho Chi Minh City is the system of seaports and river terminals serving Ho Chi Minh City, Vietnam, anchored by the Cat Lai river port and the deepwater Cai Mep–Thi Vai complex.
Port of Hong Kong
The Port of Hong Kong is a major container port handling about 13 million TEUs a year, once the world's busiest and tenth largest in 2023.
Port of Houston Authority
The Port of Houston Authority, doing business as Port Houston, is the navigation district that owns and operates the public terminals along the Houston Ship Channel in Texas.
Port of Jeddah
The Port of Jeddah, also known as Jeddah Islamic Port, is Saudi Arabia's principal commercial seaport on the Red Sea, handling about 75 percent of its seaborne trade.
Port of Kaohsiung
The Port of Kaohsiung (高雄港) is Taiwan's largest commercial port, an international container hub in Kaohsiung City handling about 406 million freight tons of cargo annually.
Port of Karachi
The Port of Karachi is Pakistan's oldest and busiest seaport, on the Arabian Sea at the western edge of Karachi, handling more than 50% of the country's trade.
Port of Long Beach
The Port of Long Beach is a container and bulk cargo seaport in San Pedro Bay on the coast of Long Beach, California, formally opened in 1911.
Port of Los Angeles
The Port of Los Angeles, founded in 1907 in San Pedro Bay, is the Western Hemisphere's busiest container port, handling 10.24 million TEUs worth $301 billion in 2025.
Port of Matarani
The Port of Matarani (Terminal Portuario de Matarani) is a Peruvian Pacific seaport in Arequipa, the main general cargo and bulk terminal of southern Peru and a gateway for Bolivian trade.
Port of Mejillones
The Port of Mejillones is a port complex on Mejillones Bay in northern Chile's Antofagasta Region, developed by a subsidiary of the state copper company Codelco.