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Ukrainian Navy artillery boat Zhuk class U170 Skadovs'k. Bay of Sevastopol, Crimea.
Kingston class patrol boat of the Royal Canadian Navy
The Iliria, an example of a modern Patrol boat of the Albanian Naval Force
PCE-872, a World War II patrol craft escort of the US Navy

A patrol boat is a relatively small naval vessel generally designed for coastal defense duties. There have been many designs for patrol boats. They may be operated by a nation's navy, coast guard, or police force, and may be intended for marine (blue water) and/or estuarine or river ("brown water") environments. They are commonly found engaged in various border protection roles, including anti-smuggling, anti-piracy, fisheries patrols, and immigration law enforcement. They are also often called upon to participate in rescue operations. Vessels of this type include the original yacht (from Dutch/Low German jacht meaning hunting or hunt), a light, fast-sailing vessel used by the Dutch navy to pursue pirates and other transgressors around and into shallow waters.


They may be broadly classified as inshore patrol vessels (IPVs) and offshore patrol vessels (OPVs). They are warships typically smaller in size than a corvette and can include fast attack craft, torpedo boats and missile boats, although some are as large as a frigate. The offshore patrol vessels are usually the smallest ship in a navy's fleet that are large and seaworthy enough to patrol off-shore in the open ocean. In larger militaries, such as in the United States military, offshore patrol vessels usually serve in the coast guard, but many smaller nations navies operate these type of ships.


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 obsolescent naval weapons. Some modern patrol vessels are still based on fishing and leisure boats. 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 or a close-in weapon system. Depending on role, vessels in this class may also have more sophisticated sensors and fire control systems that would enable them to carry torpedoes, anti-ship and surface-to-air missiles.

Most modern designs are powered by gas turbine arrangements such as CODAG, and speeds are generally in the 25–30 knot range. They are primarily used for patrol in a country's Exclusive Economic Zone. Common tasks are fisheries inspection, anti-smuggling (usually anti-narcotics) duties, illegal immigration patrols, anti-piracy patrols and search and rescue (law enforcement-type of work). 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 the navy.

Their small size and relatively low cost make them one of the most common type of warship in the world. Almost all navies operate at least a few offshore patrol vessels, especially those with only "green water" capabilities. They are useful in smaller seas such as the North Sea as well as in open oceans. Similar vessels for exclusively military duties include torpedo boats and missile boats. The United States Navy operated the Pegasus class of armed hydrofoils for years, in a patrol boat role. The River Patrol Boat (PBR, sometimes called "Riverine" and "Pibber") is a U.S. design of small patrol boat type designed to patrol waters of large rivers.

Specific nations[edit]


HMAS Armidale of the Royal Australian Navy





PTC Orca, an Orca-class patrol boat of the Royal Canadian Navy



  • PZM class. 2 units, built under license from FASSMER. 1,700 tons, 1 Bofors 40/70 6 cal 0.50, 1 Helicopter, Comandante Toro and Piloto Pardo.


ARC Juan Ricardo Oyola Vera PAV-IV class patrol boat of the Colombian Navy






Hellenic Navy HSY-56A Gunboat HS Aittitos, P-268

Hellenic Navy[edit]

Hellenic Coast Guard[edit]

Hong Kong[edit]

Hong Kong Police Force[edit]



Photograph of the Indian Coast Guard's offshore patrol vessel ICGS Vishwast (OPV-30) at the Shinko Pier No. 2, Port of Kobe, Chuo-ku, Kobe, Hyogo Prefecture, Japan.



Irish Naval Service Large Patrol Vessel (LPV) LÉ Niamh


Italian Navy patrol boat Cigala Fulgosi


Italian Coast Guard patrol boat U. Diciotti, CP-902


Shikishima (Japan Coast Guard), the largest patrol boat in the world
Japan Coast Guard "Hida" (PL51)





ARM Oaxaca, an Oaxaca class OPV of the Mexican Navy
Durango class ships, offshore patrol vessels of Mexican Navy


New Zealand[edit]


Royal Norwegian Navy

NoCGV Tor (W334 KYSTVAKT) from Nornen Class of the Norwegian Coast Guard

Norwegian Coast Guard


Philippine Navy


NRP Viana do Castelo, offshore patrol vessel of the Portuguese Navy

Portuguese Navy




Sri Lanka[edit]

South Africa[edit]

South Korea[edit]


Meteoro (P-41)





United Kingdom[edit]

Two River class offshore patrol vessels of the Royal Navy

United States[edit]

United States Navy[edit]

United States Coast Guard[edit]


  1. ^ "Brazil getting armored vehicles, boats." Space Media Network, 10 August 2012.
  2. ^ "Gunboats Class Osprey 55". Hellenic Navy. 2008. Retrieved 2008-07-15. 
  3. ^ "Gunboats Class Osprey HSY-55". Hellenic Navy. 2008. Retrieved 2008-07-15. 
  4. ^ "Gunboats Class Asheville". Hellenic Navy. 2008. Retrieved 2008-07-15. 
  5. ^ E.A. Pagotsis (2009). G. Christogiannakis, ed. Hellenic Defence Report 2009-2010 (Yearbook of the magazine Hellenic Defence & Security). Athens: Line Defence Publications Ltd. p. 81. 
  6. ^ Irish Defence Forces website - Naval Service Fleet

Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Patrol_boat — Please support Wikipedia.
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South Whidbey Record
Sat, 19 Apr 2014 08:00:00 -0700

New Island County patrol boat funding in place. Tweet. Today at 8:00AM. Island County has secured a $225,000 grant to purchase a new all-weather patrol vessel. The funding was issued through the Homeland Security Grant Program under Operation ...
Thu, 17 Apr 2014 07:45:15 -0700

Thai Navy May Build Second Patrol Boat Under BAE License. Apr. 17, 2014 - 10:40AM |. By ANDREW CHUTER | Comments · Tweet. Email; Print; Share. LinkedIn; Tumblr; StumbleUpon; Reddit; Del.icio.us; Digg. A; A. The HTMS Krabi is launched in 2011.
Windsor Star (blog)
Thu, 10 Apr 2014 09:01:16 -0700

Windsor police unveiled their new high-tech “security vessel” — the first of its kind in Canada — during a ceremony Thursday at Lakeview Park Marina. They also honoured Omina Aniza, the Grade 5 student who had the idea to name the 29-foot rapid ...

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Mon, 31 Mar 2014 09:16:32 -0700

A computer-generated image of a Damen Stan Patrol 5009 patrol boat in Qatari Navy colours displayed at the DIMDEX 2014 show in Doha in March. Source: Alex Pape. Nakilat-Damen Shipyards Qatar (NDSQ), a joint venture between Damen and Qatar's ...
Thu, 10 Apr 2014 03:52:30 -0700

HMS Express (P163) speed across the Irish Sea at some 17 knots from the Anglesea port while the HSS fast-ferrycraft surged ahead at almost 24 knots during her first crossing of the seasonal-only operated service of five months duration until 9 September.

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Thu, 20 Mar 2014 11:06:43 -0700

The Latvian Naval Forces received its final Skrunda-class patrol boat on 20 March, the Latvian Ministry of Defence has announced. Delivered in a ceremony on 20 March, Rezekne (P-09) is the Latvian navy's fifth and final Skrunda-class Small Waterplane ...
The Australian
Tue, 25 Mar 2014 06:15:14 -0700

IMMIGRATION Minister Scott Morrison has blamed Labor "solely" for the state of the navy's patrol boat fleet, saying the boats are faulty only because the Rudd-Gillard governments used them as a taxi service for asylum-seekers. Labor disputed the claim, ...
The Australian
Sun, 23 Mar 2014 06:09:30 -0700

THE navy has lost patience with its faulty patrol boat fleet and wants to fast-track a new generation of patrol boats with stronger hulls that will not crack up under the strain of border protection duties. The navy's 14 Armidale-class patrol boats are ...

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