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Patrol boat

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A patrol boat (also referred to as a patrol craft , patrol ship , or patrol vessel ) 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 (" blue water "), estuarine (" green water "), or river (" brown water ") environments.

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49-426: Per their name, patrol boats are primarily used to patrol a country's exclusive economic zone (EEZ), but they may also be used in other roles, such as anti- smuggling , anti- piracy , fishery patrols, immigration law enforcement, or search and rescue . Depending on the size, organization, and capabilities of a nation's armed forces, the importance of patrol boats may range from minor support vessels that are part of

98-412: A maritime continental margin and, in colloquial usage, may include the continental shelf . The term does not include either the territorial sea or the continental shelf beyond the 200 nautical mile limit. The difference between the territorial sea and the exclusive economic zone is that the first confers full sovereignty over the waters, whereas the second is merely a "sovereign right" which refers to

147-408: A coast guard, to flagships that make up a majority of a navy's fleet. Their small size and relatively low cost make them one of the most common naval vessels in the world. The classification of a patrol boat is often subjective, but they are generally small naval vessels that are used to patrol national waters or a certain jurisdiction . They may be as large as a corvette or even a frigate , though

196-873: A country's sovereign territorial waters extend to 12 nmi (22 km) beyond the shore. One of the first assertions of exclusive jurisdiction beyond the traditional territorial seas was made by the United States in the Truman Proclamation of 28 September 1945. However, it was Chile and Peru respectively that first claimed maritime zones of 200 nautical miles with the Presidential Declaration Concerning Continental Shelf signed by Chilean President Gabriel Gonzalez Videla on 23 June 1947 and by Peruvian President Jose Luis Bustamante y Rivero through Presidential Decree No. 781 of 1 August 1947 It

245-575: A full-scale invasion of Sweden via the Baltic Sea and on protecting commercial shipping. Sweden's location on the Scandinavian peninsula makes it highly dependent of maritime trade: 90% imports and exports enter or leave Sweden through the Baltic. In 1972, the government decreed that non-military measures should be used to protect merchant shipping. The resolution led to the decommissioning of all

294-712: A maritime delimitation agreement exists with another state. To the 12 nautical miles boundary is Australia's territorial waters . Australia has the third largest exclusive economic zone, behind France and the United States, but ahead of Russia, with a total area of 8,148,250 square kilometres, which actually exceeds its land territory. The United Nations Commission on the Limits of the Continental Shelf (CLCS) confirmed, in April 2008, Australia's rights over an additional 2.5 million square kilometres of seabed beyond

343-694: A portion of the shelf in the Barents Sea. Area: 290,000 square kilometres (110,000 sq mi) Royal Swedish Navy The Swedish Navy ( Swedish : Svenska marinen ) is the maritime service branch of the Swedish Armed Forces . It is composed of surface and submarine naval units – the Fleet ( Flottan ), formally sometimes referred to as the Royal Navy ( Kungliga Flottan ) – as well as marine units,

392-473: A separate " Coastal Artillery " ( Kustartilleriet ) was established, and Marinen came into use as the name of the service as a whole. The last decade of the 20th century saw the abandonment of the coastal fortifications and the force became a more regular marine corps, renamed Amphibious Corps ( Amfibiekåren ) in 2000. For most of the twentieth century, the Swedish Navy focused on the threat of

441-647: A tiny island in the Mediterranean Sea, is the country's southernmost point. Italy shares treaty-defined maritime boundaries with France , Spain , Algeria , Tunisia , Libya , Malta , Greece , Albania , Montenegro , Croatia and Slovenia . Japan has the world's eighth-largest exclusive economic zone, covering 4,479,674 km (1,729,612 sq mi). It claims an EEZ of 200 nautical miles from its shores. Japan has disputes over its EEZ boundaries with all its Asian neighbors (China, Russia, South Korea , and Taiwan ). The above, and relevant maps at

490-439: A total surface area of 3,269,386 km , and places Mexico among the countries with the largest areas in the world. New Zealand 's EEZ covers 4,083,744 km (1,576,742 sq mi), which is approximately fifteen times the land area of the country. Sources vary significantly on the size of New Zealand's EEZ; for example, a recent government publication gave the area as roughly 4,300,000 km . These figures are for

539-576: Is up to the states to delineate the actual maritime boundary . Generally, any point within an overlapping area defaults to the nearest state. The exclusive economic zone stretches much further into sea than the territorial waters , which end at 12 nmi (22 km) from the coastal baseline (if following the rules set out in the United Nations Convention on the Law of the Sea ). Thus,

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588-632: The Pegasus class of armed hydrofoils for years in a patrol boat role. During the Vietnam War , the U.S. Navy ordered 193 aluminum hulled Patrol Craft, Fast (PCFs), also known as Swiftboats , for brown water naval operations. The Patrol Boat, River (PBR, sometimes called "Riverine" and "Pibber") was a fiberglass hulled vessel also designed and used for inland river operations during the Vietnam War, and became an icon of water operations during

637-552: The Amphibious Corps ( Amfibiekåren ). Founded under King Gustav I in 1522, the Swedish navy is one of the oldest continuously serving navies in the world , celebrating its 500th anniversary in 2022. Early Swedish kings ( c. 9th–14th centuries) organised a Swedish Navy along the coastline through ledungen . This involved combined rowing and sailing ships (without artillery). This system became obsolete with

686-561: The Fernando de Noronha Islands , Saint Peter and Saint Paul Archipelago , and the Trindade and Martim Vaz Islands . Canada is unusual in that its exclusive economic zone, covering 5,599,077 km (2,161,816 sq mi), is slightly smaller than its territorial waters. The latter generally extend only 12 nautical miles from the shore but also include inland marine waters such as Hudson Bay (about 300 nmi (560 km) across),

735-740: The Food and Agriculture Organization (FAO), provides significant practical mechanisms for the control of EEZs. Transboundary fish stocks are an important concept in this control. Transboundary stocks are fish stocks that range in the EEZs of at least two countries. Straddling stocks , on the other hand, range both within an EEZ as well as in the high seas , outside any EEZ. A stock can be both transboundary and straddling. Algeria on 17 April 2018 established an exclusive economic zone (EEZ) off its coasts by Presidential Decree No. 18-96 of 2 Rajab 1439 corresponding to 20 March 2018. The permanent mission of Spain to

784-772: The Gulf of Saint Lawrence and the internal waters of the Arctic Archipelago . Chile's EEZ includes areas around the Desventuradas Islands , Easter Island , and the Juan Fernández Islands . In 2020 and 2022, Chile submitted its partial claims to the United Nations Commission on the Limits of the Continental Shelf (CLCS) to extend its maritime continental margin. The first figure excludes all disputed waters, while

833-612: The Maluku Islands ) and sixty smaller island groups. Ireland's exclusive economic zone was reported to be the location of a Russian military exercise in January 2022. Russia's exercise was then moved outside the economic zone. In 2010, an agreement was signed with Cyprus concerning the limit of territorial waters between Israel and Cyprus at the maritime halfway point, a clarification essential for safeguarding Israel's rights to oil and underwater gas reservoirs. The agreement

882-590: The Tyrrhenian Sea to the west, the Ionian Sea to the south and the Adriatic Sea to the east. Italy's EEZ is limited by maritime boundaries with neighboring countries to the northwest, east and southeast. Italy's western sea territory stretches from the west coast of Italy on the Tyrrhenian Sea , including the island of Sardinia . The island of Sicily is in the southernmost area. Lampedusa ,

931-676: The Algerian measure had been taken unilaterally and without consulting them. On 25 November 2018, the Algerian Ministry of Foreign Affairs sent an oral note in response to the Spanish protest, explaining that the Algerian government does not recognize the largely exorbitant coordinates contained in Royal Decree 236/2013, which overlap with the coordinates of Presidential Decree n° 18–96 establishing an exclusive economic zone off

980-641: The Baltic Sea area. Greece forms the southernmost part of the Balkan peninsula in the Mediterranean Sea . It includes many small islands which vary between 1,200 and 6,000 in the Aegean Sea and the Ionian Sea . The largest islands are Crete , Euboea , Lesbos , Rhodes and Chios . Greece's EEZ is bordered to the west by Albania and Italy , to the south by Libya and Egypt , and to

1029-849: The EEZ include the Maritime Task Act (Seeaufgabengesetz) from 1965, the Maritime Facilities Act (Seeanlagengesetz) from 2017, and prior to that the Sea Facilities Ordinance (Seeanlagenverordnung) from 1997, the Federal Mining Act (Bundesberggesetz) and the Regional Planning Act (Raumordnungsgesetz). The German EEZ has an area of 32,982 km . About 70% of the EEZ covers Germany's entire North Sea area, while some 29% encompasses

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1078-676: The EEZ of New Zealand proper, and do not include the EEZs of other territories in the Realm of New Zealand (the Cook Islands , Niue , Tokelau , and the Ross Dependency ). The exclusive economic zone of North Korea stretches 200 nautical miles from its basepoints in both the West Sea (Yellow Sea) and the Sea of Japan . The EEZ was declared in 1977 after North Korea had contested

1127-712: The EU-led EUNAVFOR operation (2008– ) off the coast of the Horn of Africa . In 2010, HSwMS  Carlskrona was the EUNAVFOR flagship, housing the fleet headquarters led by RAdm (LH) Jan Thörnqvist . Until recently, the Navy was led by the Chief of the Navy , who was typically a vice admiral . This office has been eliminated, and the highest officer of the Navy is now the Chief of Navy , Rear Admiral Johan Norlén , who

1176-420: The Law of the Sea , is an area of the sea in which a sovereign state has exclusive rights regarding the exploration and use of marine resources , including energy production from water and wind. It stretches from the outer limit of the territorial sea (22.224 kilometres or 12 nmi from the baseline) out 370.4 kilometres (or 200 nautical miles ) from the coast of the state in question. It is also referred to as

1225-495: The Sea Around Us Project both indicate Japan's claimed boundaries, and do not take into account the claims of adjacent jurisdictions. Japan also refers to various categories of "shipping area" – Smooth Water Area, Coasting Area, Major or Greater Coasting Area, Ocean Going Area – but it is unclear whether these are intended to have any territorial or economic implications. Mexico's exclusive economic zones cover

1274-548: The Spanish embassy in Algiers to show their eligibility in Algeria's exclusive economic zone. Considering the maritime areas claimed, the total area of Argentina reaches 3,849,756 km . The recognized Argentine EEZ area is 1,159,063 km . Australia's exclusive economic zone was declared on 1 August 1994, and extends from 12 to 200 nautical miles from the coastline of Australia and its external territories , except where

1323-549: The United Nations on 27 July 2018 declared its disagreement with the EEZ announced by Algeria and that the government of Spain indicated its willingness to enter into negotiations with the government of Algeria with a view to reaching a mutually acceptable agreement on the outer limits of their respective exclusive economic zones, The same was done by the Italian mission on 28 November 2018. The two countries indicated that

1372-581: The West Sea cannot be determined because of potential overlap and disputes over certain islands. In the Sea of Japan, the North Korean EEZ can be approximated to be trapezoidal -shaped. The border between North Korea and Russia's respective EEZs is the only such border that has been determined in East Asia. Here, the EEZ does not cause many problems, even with regards to South Korea, because

1421-584: The baseline cover an additional 12,498 km , and EEZ covers 24,482 km for a total of 55,961 km . Cyprus EEZ covers 98,707 square km (38,100 square miles). Cyprus' EEZ borders those of Greece , Turkey , Syria , Lebanon , Israel and Egypt . The Kingdom of Denmark includes the constituent country ( selvstyre ) of Greenland and the constituent country ( hjemmestyre ) of the Faroe Islands . Area: 1,077,231 km Due to its numerous overseas departments and territories scattered on all oceans of

1470-530: The coast of Algeria. The Algerian government wished to emphasize that the unilateral delimitation carried out by Spain is not in conformity with the letter of the United Nations Convention on the Law of the Sea and has not taken into consideration the configuration, the specific characteristics, and the special circumstances of the Mediterranean Sea, in particular for the case of the two countries whose coasts are located face to face, as well as

1519-502: The coastal state's rights below the surface of the sea. The surface waters are international waters . Generally, a state's exclusive economic zone is an area beyond and adjacent to the territorial sea, extending seaward to a distance of no more than 200 nmi (370 km) out from its coastal baseline . The exception to this rule occurs when exclusive economic zones would overlap; that is, state coastal baselines are less than 400 nmi (741 km) apart. When an overlap occurs, it

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1568-573: The development of society and changes in military technology. No later than in the 14th century, the duty to serve in ledungen was replaced by a tax. In 1427, when Sweden was still part of the Kalmar Union (with Denmark and Norway), Swedish warships did however participate in the naval battle of Öresund against the Hanseatic League . It is unclear how this force was organised and exactly on what basis. On 7 June 1522, one year after

1617-650: The east by Cyprus and Turkey . India is currently seeking to extend its EEZ to 350 miles. Indonesia has the 6th largest exclusive economic zone in the world. The total size is 6,159,032 km (2,378,016 sq mi). It claims an EEZ of 200 nautical miles from its shores. This is due to the 13,466 islands of the Indonesian Archipelago . It has the 2nd largest coastline of 54,720 km (34,000 mi). The five main islands are: Sumatra , Java , Borneo , Sulawesi , and Western New Guinea . There are two major island groups ( Nusa Tenggara and

1666-419: The exclusive economic zones includes the contiguous zone . States also have rights to the seabed of what is called the extended continental shelf up to 350 nmi (648 km) from the coastal baseline, beyond the exclusive economic zones, but such areas are not part of their exclusive economic zones. The legal definition of the continental shelf does not correspond exactly to the geological meaning of

1715-912: The largest type of patrol ships and are typically more than 100 m (330 ft) in length. Seagoing patrol boats are typically around 30 m (100 ft) in length and usually carry a single medium caliber artillery gun as main armament, and a variety of lighter secondary armament such as machine guns , while others include the sophisticated close-in weapon system . Depending on their role, vessels in this class may also have more sophisticated sensors and fire control systems that would enable them to carry torpedoes , anti-ship missiles , and surface-to-air missiles . During both World Wars, in order to rapidly build up numbers, all sides created auxiliary patrol boats by arming motorboats and seagoing fishing trawlers with machine guns and obsolete naval weapons. Some modern patrol vessels are still based on fishing and leisure boats. The United States Navy operated

1764-420: The last figure indicates China's claimed boundaries, and does not take into account adjacent powers' claims. Croatia proclaimed Ecological and Fisheries Protection Zone in 2003, but it was not enforced toward other European Union states especially Italy and Slovenia. The zone was upgraded to EEZ in 2021 together with Italy and Slovenia. Territorial waters has 18,981 km , while internal waters located within

1813-564: The limits of Australia's EEZ. Australia also claimed, in its submission to the UN Commission on the Limits of the Continental Shelf, additional Continental Shelf past its EEZ from the Australian Antarctic Territory , but these claims were deferred on Australia's request. However, Australia's EEZ from its Antarctic Territory is approximately 2 million square kilometres. Brazil 's EEZ includes areas around

1862-787: The navy's destroyers and frigates, though the non-military measures the government intended to use to protect shipping have never been specified. The navy first participated in a UN-led peacekeeping mission in October 2006 when the corvette HSwMS  Gävle began performing coastal surveillance duties for the United Nations Mission in Lebanon . HSwMS Gävle was relieved by HSwMS  Sundsvall , which returned to Sweden in September 2007. HSwMS  Malmö , HSwMS  Stockholm , and HSwMS  Trossö took part in

1911-408: The objective rules and relevant principles of international law to govern the equitable delimitation of the maritime areas between Algeria and Spain, in accordance with article 74 of the United Nations Convention on the Law of the Sea. Algeria expressed its willingness to negotiate for a just solution. On 20 June 2019, a communication from Algeria was sent. It was addressed to the Italian embassy and

1960-484: The period 2010–2014 List of Irish Naval Service vessels; Additionally, the Royal Swedish Navy also operates smaller types of patrol boats (Swedish: bevakningsbåt = "guard boat"): The Swedish Coast Guard operate an additional 22 patrol vessels for maritime surveillance. Exclusive economic zone An exclusive economic zone ( EEZ ), as prescribed by the 1982 United Nations Convention on

2009-600: The planet, France possesses the largest EEZ in the world, covering 11,691,000 km (4,514,000 sq mi). The EEZ of France covers approximately 7% of the total surface of all the EEZs of the world, whereas the land area of the French Republic is only 0.45% of the total land area of Earth. Germany declared the establishment of its exclusive economic zone in the North and Baltic Seas on 1 January 1995. The relevant German legal provisions that are applicable within

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2058-492: The sea is not thought to be rich in resources. Norway has a large exclusive economic zone of 819,620 km around its coast. The country has a fishing zone of 1,878,953 km , including fishing zones around Svalbard and Jan Mayen . In April 2009, the United Nations Commission for the Limits of the Continental Shelf approved Norway's claim to an additional 235,000 square kilometres of continental shelf. The commission found that Norway and Russia both had valid claims over

2107-663: The separation of Sweden from the Kalmar Union, Gustav Vasa purchased a number of ships from the Hanseatic town of Lübeck . Official Swedish histories since the 19th century have often recorded this day as the birth of the current Swedish Navy. The museum ship Vasa in Stockholm was a 17th-century ship of the Royal Swedish Navy ( Kungliga flottan ). The Amphibious Corps dates back to 1 January 1902, when

2156-671: The term may also be used for vessels as small as a yacht or rigid inflatable boat . They can include fast attack craft , torpedo boats , and missile boats . They may be broadly classified as inshore patrol vessels (IPVs) or offshore patrol vessels (OPVs). OPVs and medium size cutters are usually the smallest ship in a navy's fleet that are large and seaworthy enough to patrol off-shore in the open ocean , while IPVs are typically too small to do so and are instead kept in lakes or rivers , or close to coasts ; IPVs specifically used in rivers can also be called "riverine patrol vessels". Large patrol vessels, Heavy patrol vessels and Large cutters are

2205-419: The term, as it also includes the continental rise and slope, and the entire seabed within the exclusive economic zone. The idea of allotting nations' EEZs to give them more control of maritime affairs outside territorial limits gained acceptance in the late 20th century. Initially, a country's sovereign territorial waters extended 3 nmi (6 km) (range of cannon shot) beyond the shore. In modern times,

2254-676: The validity of the Northern Limit Lines (NLL) set up after the Korean War as maritime borders. The EEZ has not been codified in law and North Korea has never specified its coordinates, making it difficult to determine its specific scope. In the West Sea, the EEZ remains unspecified in the Korea Bay because China has not determined its own EEZ in the area. The border between the North Korean and South Korean EEZs in

2303-828: The war due to its use in the 1979 film Apocalypse Now . Most modern designs are powered by gas turbine arrangements such as CODAG , and speeds are generally in the 25–30 knots (46–56 km/h; 29–35 mph) range. The largest OPVs might also have a flight deck and helicopter embarked. In times of crisis or war, these vessels are expected to support the larger vessels in a navy, though some smaller navies are mostly composed of just patrol boats. 35m Fast Patrol Vessels- USA -built by Swiftships, Commissioned in 2021 The Bangladesh Navy classified its medium size patrol ships as large patrol craft (LPC) which are armed with either anti-ship missiles or torpedoes . Those ships typically have heavier armaments but less range than OPVs. 35m Fast Patrol Vessels- USA -built by Swiftships, during

2352-488: Was not until 1982 with the UN Convention on the Law of the Sea that the 200 nautical mile exclusive economic zone was formally adopted. The exact extent of exclusive economic zones is a common source of conflicts between states over marine waters. Regions where a permanent ice shelf extends beyond the coastline are also a source of potential dispute. Fisheries management , usually adhering to guidelines set by

2401-595: Was signed in Nicosia by Israeli Infrastructure Minister Uzi Landau and the Cypriot Foreign Minister Markos Kyprianou. The two countries agreed to cooperate in the development of any cross-border resources discovered and to negotiate an agreement on dividing joint resources. Italy has an EEZ of 541,915 km (209,235 sq mi). The country claims an EEZ of 200 nautical miles from its shores, and its three coastlines are

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