HMAS ''Launceston'' (ACPB 94) is an
''Armidale''-class patrol boat of the
Royal Australian Navy
The Royal Australian Navy (RAN) is the navy, naval branch of the Australian Defence Force (ADF). The professional head of the RAN is Chief of Navy (Australia), Chief of Navy (CN) Vice admiral (Australia), Vice Admiral Mark Hammond (admiral), Ma ...
(RAN).
Design and construction
The ''Armidale''-class patrol boats are long, with a
beam 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
Det Norske Veritas
Det Norske Veritas (DNV), formerly DNV GL, is an international accredited registrar and classification society headquartered in Høvik, Norway. DNV provides services for several industries, including maritime, oil and gas, renewable energy, e ...
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
The states and territories are the national subdivisions and second level of government of Australia. The states are partially sovereign, administrative divisions that are self-governing polities, having ceded some sovereign rights to the feder ...
, 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 caliber, 25 mm (25×137mm) single-barrel chain-driven autocannon. It is used extensively by the United States Armed Forces, U.S. military, such as in the Bradley fighting vehicle, as well as by other NAT ...
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 boat
A rigid inflatable boat (RIB), also rigid-hull inflatable boat or rigid-hulled inflatable boat (RHIB), is a lightweight but high-performance and high-capacity boat constructed with a rigid hull (watercraft), hull bottom joined to side-forming a ...
s (RHIBs).[ Each RHIB is stored in a dedicated cradle and ]davit
Boat suspended from Welin Quadrant davits; the boat is mechanically 'swung out'
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 ...
, 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 hydrogen sulphide
Hydrogen sulfide is a chemical compound with the formula . It is a colorless chalcogen-hydride gas, and is toxic, corrosive, and flammable. Trace amounts in ambient atmosphere have a characteristic foul odor of rotten eggs. Swedish chemist Ca ...
and carbon monoxide
Carbon monoxide (chemical formula CO) is a poisonous, flammable gas that is colorless, odorless, tasteless, and slightly less dense than air. Carbon monoxide consists of one carbon atom and one oxygen atom connected by a triple bond. It is the si ...
into the compartment, non-fatally poisoning four sailors working inside, after which use of the compartment for accommodation was banned across the class.[
''Launceston'' was constructed by ]Austal
Austal Limited is an Australian-based global ship building company and defence prime contractor that specialises in the design, construction and support of defence and commercial vessels. Austal's product range includes naval vessels, High-spee ...
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, along with the suburb of Naval Base to its south, comprises land resumed by the Commonwealth Government in 1915 for defence ...
.[ She was commissioned in ]Launceston, Tasmania
Launceston () is a city in the north of Tasmania, Australia, at the confluence of the North Esk River, North Esk and South Esk River, South Esk rivers where they become the Tamar River, Tasmania, Tamar River (kanamaluka). As of 2021, the Launc ...
on 22 September 2007.[
]
Operational history
She is based in Cairns
Cairns (; ) is a city in the Cairns Region, Queensland, Australia, on the tropical north east coast of Far North Queensland. In the , Cairns had a population of 153,181 people.
The city was founded in 1876 and named after William Cairns, Sir W ...
and performs border protection and fisheries protection patrols.
''Launceston'' was used for pick-up filming during the creation of the second season of Australian drama series ''Sea Patrol
''Sea Patrol'' is an Australian television drama that ran from 2007 to 2011, set on board HMAS ''Hammersley'', a fictional patrol boat of the Royal Australian Navy (RAN). The series focused on the ship and the lives of its crew members.
Despi ...
'' in 2008. The footage was conflated with the main footage of sister ship to create the fictional HMAS ''Hammersley'', the ship the series is set on.[
]
Citations
References
;Books
*
** The chapter is available separately as ''Semaphore'', Issue 4, 2006 i
PDF
an
HTML
formats.
*
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;Journal and news articles
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;Websites and other media
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External links
Royal Australian Navy webpage for HMAS Launceston (III)
{{DEFAULTSORT:Launceston
Naval ships of Australia
Armidale-class patrol boats
2007 ships