A patrol boat is a relatively small naval vessel generally designed for coastal defence, border security, or law enforcement. There are many designs for patrol boats, and they generally range in size. They may be operated by a nation's navy, coast guard, police, or customs, and may be intended for marine, estuarine, or river environments.
The River class is a class of offshore patrol vessels built primarily for the Royal Navy of the United Kingdom. A total of nine were built for the Royal Navy (RN), four Batch 1 and five Batch 2. One Batch 1 (HMS Clyde), which was the Falklands guard ship, was decommissioned and transferred at the end of its lease to the Royal Bahrain Naval Force.
HMS Mersey is a River-class offshore patrol vessel of the British Royal Navy. Named after the River Mersey, she is the fifth RN vessel to carry the name and the first to be named Mersey in 84 years. Various tenders were renamed Mersey during their service with Mersey Division Royal Naval Reserve between the early 1950s and late 1970s.
HMS Dumbarton Castle (P265) was an offshore patrol vessel of the British Royal Navy. Her main role was the protection of the offshore assets of the United Kingdom, including oil and gas installations and fisheries out to the 200-nautical-mile limit.
The Naval Service is the maritime component of the Defence Forces of Ireland and is one of the three branches of the Irish Defence Forces. Its base is in Haulbowline, County Cork.
The Coast Guard Administration of the Ocean Affairs Council (CGA), also operating as the ROC Coast Guard, is charged with maintaining law and order, protecting the resources of the territorial waters of the Republic of China (Taiwan), which surrounds Taiwan, Penghu, Kinmen, Matsu Islands, Green Island, Orchid Island, Pratas Island (Tungsha/Dongsha), and Nansha Islands as well as providing a first line of defense along coastal areas against smugglers and illegal immigrants. The CGA is considered a civilian law enforcement agency under the administration of the Ocean Affairs Council of the Executive Yuan, though during emergencies it may be incorporated as part of the Republic of China Armed Forces.
HMS Tyne is a River-class offshore patrol vessel built by Vosper Thornycroft in Southampton for the Royal Navy to serve as a fishery protection unit within the United Kingdom's waters along with her two sister ships Mersey and Severn. All three were commissioned into service in 2003 to replace the five older Island-class patrol vessels.
The Norwegian Coast Guard is a maritime military force which is part of the Royal Norwegian Navy. The coast guard's responsibility are for fisheries inspection, customs enforcement, border control, law enforcement, shipping inspection, environmental protection, and search and rescue. It operates throughout Norway's 2,385,178-square-kilometer (920,922 sq mi) exclusive economic zone (EEZ), internal waters and territorial waters. It is headquartered at Sortland Naval Base. In 2023 the Coast Guard had 900 employees, including conscripts, and a budget of 1.3 billion Norwegian krone.
The Protector-class offshore patrol vessel is a ship class of two offshore patrol vessel (OPVs) operated by the Royal New Zealand Navy (RNZN) since 2010. The ships are named HMNZS Otago and HMNZS Wellington.
The Barbados Coast Guard is the maritime element of the Barbados Defence Force. Its responsibilities include territorial defence, patrolling Barbados' territorial waters and Exclusive Economic Zone (EEZ), as well as conducting maritime law enforcement, counter-narcotic, search and rescue, fisheries and environmental protection and the enforcement of port & harbour regulations. The Barbados Coast Guard currently is based at its headquarters at BCGS PELICAN in Bridgetown, the capital of Barbados. The base consists of a partially enclosed base for the coast guard fleet to dock. It consists of a small fleet, including its flagship BCGS TRIDENT.
The Viana do Castelo class is a class of offshore patrol vessels planned by and for the Portuguese Navy, as a result of the NPO2000 Project, that are being constructed in the West Sea Shipyard.
The Minerva class is a series of corvettes of the Italian Navy. They were built in two batches of four units during the 1980s and 1990s. The ships have fairly good speed and armament, including a 76 mm general-purpose gun, but, due to their emphasis on anti-submarine warfare, they lack anti-ship missile capabilities. These units are designed to operate in coastal areas. Their main missions include sea policing, patrol, fisheries protection, and naval commando training. Four ships of this class are now active with Bangladesh Coast Guard as offshore patrol vessels (OPVs).
The Cassiopea class is a series of four heavy patrol boats of the Italian Navy. They were built in the late 1980s on civilian standards. They are designed for patrol in safe areas.
Colombo Dockyard PLC (CDPLC) is a ship building company in Sri Lanka and it is based in Colombo. It has built both military and civilian vessels for both local and overseas clients.
The MV Oceanic Viking was an armed patrol vessel of the Australian Customs Service. Originally built in 1996 as the offshore supply vessel Viking Lady for Norwegian shipping company Eidesvik Shipping AS, the ship was converted into a cable layer in 2000 and renamed Oceanic Viking. The ship was chartered to the Australian Customs Service through P&O Marine Services from 2004 to 2010. In 2011, it was purchased by A&P Tyne, Isle of Man, and renamed European Supporter.
The Diciotti class is an Italian-designed offshore patrol vessel, presently in use with the Italian Coast Guard, Iraqi Navy, Armed Forces of Malta and Panama SENAN. These ships are designed and built by Fincantieri on the bay of La Spezia to Muggiano and Riva Trigoso shipyards.
LÉ Samuel Beckett (P61) is a Samuel Beckett-class offshore patrol vessel (OPV) of the Irish Naval Service. The ship was launched in November 2013 and commissioned in May 2014. She is named after Irish playwright and author Samuel Beckett.
Gregoretti is a name of Italian origin. Notable persone with this name include:
HTMS Prachuap Khiri Khan is the second Krabi Class offshore patrol vessel (OPV) of the Royal Thai Navy.
Italy
