HMAS Maryborough (ACPB 95)
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HMAS ''Maryborough'' (ACPB 95), named after the city of
Maryborough, Queensland Maryborough ( ) is a city and a suburb in the Fraser Coast Region, Queensland, Australia. At the 2021 Census, Maryborough had a population of 15,287. Geography Maryborough is located on the Mary River in Queensland, Australia, approximate ...
, is one of fourteen ''Armidale''-class patrol boats operated by the
Royal Australian Navy The Royal Australian Navy (RAN) is the principal naval force of the Australian Defence Force (ADF). The professional head of the RAN is Chief of Navy (CN) Vice Admiral Mark Hammond AM, RAN. CN is also jointly responsible to the Minister of ...
(RAN).


Design and construction

The ''Armidale''-class patrol boats are long, with a
beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized grou ...
of , a draught of , and a standard
displacement Displacement may refer to: Physical sciences Mathematics and Physics *Displacement (geometry), is the difference between the final and initial position of a point trajectory (for instance, the center of mass of a moving object). The actual path ...
of 270 tons.Saunders (ed.), ''IHS Jane's Fighting Ships 2012–2013'', p. 33 The semi-displacement vee hull is fabricated from aluminium alloy, and each vessel is built to a combination of
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standards for high-speed light craft and RAN requirements.Kerr, ''Plain sailing'' The ''Armidale''s can travel at a maximum speed of , and are driven by two propeller shafts, each connected to an MTU 16V M70 diesel. The ships have a range of at , allowing them to patrol the waters around the distant territories of Australia, and are designed for standard patrols of 21 days, with a maximum endurance of 42 days. The main armament of the ''Armidale'' class is a Rafael Typhoon stabilised gun mount fitted with an
M242 Bushmaster The M242 Bushmaster chain gun is a 25 mm (25×137mm) single-barrel chain-driven autocannon. It is used extensively by the U.S. military, such as in the Bradley fighting vehicle, as well as by other NATO members and some other nations in ground ...
autocannon. Two machine guns are also carried.Heron & Powell, in ''Australian Maritime Issues 2006'', p. 132 Boarding operations are performed by two , waterjet propelled rigid-hulled inflatable boats (RHIBs). Each RHIB is stored in a dedicated cradle and
davit Boat suspended from radial davits; the boat is mechanically lowered Gravity multi-pivot on Scandinavia'' file:Bossoir a gravité.jpg, Gravity Roller Davit file:Davits-starbrd.png, Gravity multi-pivot davit holding rescue vessel on North Sea ferr ...
, and is capable of operating independently from the patrol boat as it carries its own communications, navigation, and safety equipment.Heron & Powell, in ''Australian Maritime Issues 2006'', p. 131 Each patrol boat has a standard ship's company of 21 personnel, with a maximum of 29.Wertheim (ed.), ''The Naval Institute Guide to Combat Fleets of the World'', p. 22 The ''Armidale''s do not have a permanently assigned ship's company; instead, they are assigned to divisions at a ratio of two vessels to three companies, which rotate through the vessels and allow the ''Armidale''s to spend more time at sea, without compromising sailors' rest time or training requirements.Kerr, ''Patrol boats shake down fuel faults'' A 20-berth auxiliary accommodation compartment was included in the design for the transportation of soldiers, illegal fishermen, or unauthorised arrivals; in the latter two cases, the compartment could be secured from the outside.McKenna, ''Gas risk remains for navy boats'' However, a malfunction in the sewerage treatment facilities aboard in August 2006 pumped
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and
carbon monoxide Carbon monoxide (chemical formula CO) is a colorless, poisonous, odorless, tasteless, flammable gas that is slightly less dense than air. Carbon monoxide consists of one carbon atom and one oxygen atom connected by a triple bond. It is the simple ...
into the compartment, non-fatally poisoning four sailors working inside, after which use of the compartment for accommodation was banned across the class. ''Maryborough'' was one of two patrol boats ordered in 2005, following an 2004 federal election promise that the
Coalition A coalition is a group formed when two or more people or groups temporarily work together to achieve a common goal. The term is most frequently used to denote a formation of power in political or economical spaces. Formation According to ''A Gui ...
would provide a dedicated patrol force for the oil and gas producing facilities located off the north-west coast of Australia.Heron & Powell, in ''Australian Maritime Issues 2006'', p. 130 ''Maryborough'' was constructed by Austal at their shipyard in
Henderson, Western Australia Henderson is a suburb of Perth, Western Australia, located within the City of Cockburn. History The suburb of Henderson comprises land resumed by the Commonwealth Government in 1915 for defence purposes. A large naval base was planned by Admira ...
. She was commissioned into the RAN in Brisbane on 8 December 2007.


Operational history

In December 2019 the ''Maryborough'' left Darwin, for
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, the capital of the
Solomon Islands Solomon Islands is an island country consisting of six major islands and over 900 smaller islands in Oceania, to the east of Papua New Guinea and north-west of Vanuatu. It has a land area of , and a population of approx. 700,000. Its capita ...
, accompanied by the newly commissioned Solomon Islands patrol vessel RSIPV ''Gizo''. The vessels engaged in joint training exercises.


Fire

On 26 May 2017 ''Maryborough'' suffered from an Engine Room fire while at sea operating North-West of Darwin. No crew members were injured and the ship returned to Darwin for an assessment of the damage.


Citations


References

;Books * ** The chapter is available separately as ''Semaphore'', Issue 4, 2006 i
PDF
an
HTML
formats. * * ;Journal and news articles * * *


External links


Royal Australian Navy webpage for HMAS Maryborough (II)
{{DEFAULTSORT:Maryborough (ACPB 95) Armidale-class patrol boats Ships built by Austal Naval ships of Australia 2008 ships