Design and construction
The was due to be replaced in 2010, but it was not until June of that year that a request for tender was issued for eight new, larger patrol boats.Parnell, ''Navy and Customs vessels cut back on border patrols''.Govt to buy new border patrol vessels ''Australian Security Magazine''. Austal was awarded the tender for eight patrol boats on 12 August 2011. Each vessel is in length, with a Beam (nautical), beam of and a Draft (hull), draught of .Saunders (ed.), ''IHS Jane's Fighting Ships 2012–2013'', p. 39. Propulsion machinery consists of two Caterpillar Inc, Caterpillar 3516C diesel engines, providing to two propeller shafts. A bow thruster is also fitted. Maximum speed is , with a range of at , and an endurance of 28 days. Each vessel has a crew of 18, and two crew groups are assigned to each vessel, alternating between operating the patrol boat and shore duties, to ensure maximum vessel availability. Each Cape-class vessel is armed with two .50 calibre machine guns, and carries two Gemini RHIB interception craft in cradles at the stern, along with a small boat carried amidships. Several updates and reconfigurations were implemented in response to issues found with the previous class of patrol boats built by Austal, the operated by the Royal Australian Navy (RAN). According to media reports, prior to the tender process, information about the project was leaked to Austal by a senior Customs official.Besser & Snow, ''$350 million boat deal leak revealed''. The leak was reported to occur during an investigation of claims that the tendering requirements had been set up to favour Austal. Customs stated in March 2013 that reports of leaks during the tendering process were unfounded, and that internal and external investigations of the accusation concluded that the tender process had not been compromised or set up to favour a particular tenderer. Construction of the new vessels started in February 2012, with entry into service planned for between March 2013 and August 2015. The first vessel was Ceremonial ship launching, launched in January 2013, and named ''Cape St. George'' on 15 March 2013. The boats have been named after eight capes in Australia: Cape St. George, Jervis Bay Territory, Cape St. George, Cape Byron, Cape Nelson State Park, Cape Nelson, Cape Sorell, Cape Jervis (headland), Cape Jervis, Cape Leveque, Rimbija Island, Cape Wessel, and Cape York Peninsula, Cape York. The final vessel, ''Cape York'', was delivered at the end of August 2015. The project cost A$330 million, including in-service support to be provided by Austal: the largest procurement undertaken by the Customs and Border Protection Service. Although originally due to leave service in 2010, ships of the Bay class remained in service until the Cape class fully entered service. In Australian service, the patrol boats were initially identified with the ship prefix "ACV" (Australian Customs Vessel); this was changed to "ABFC" (Australian Border Force Cutter) following the establishment of the Australian Border Force. On 13 December 2015, Austal announced that two more Cape-class vessels had been ordered. The $63 million contract is with the National Australia Bank, who will Chartering (shipping), charter the patrol boats to the Department of Defence on their completion in mid-2017. The new vessels will be included in the in-service support contract for the Border Force patrol boats, and if Defence does not continue on with the charter after the initial three-year period, the National Australia Bank can sell the patrol boats back to Austal for residual value. The two vessels, ''Cape Fourcroy'' and ''Cape Inscription'', are in service. In July 2018, the government of Trinidad and Tobago announced the acquisition of two Cape-class patrol boats. The vessels will enhance the border protection capabilities of the country in conjunction with the existing Coast Guard fleet, and will join six Austal Fast Patrol Craft acquired in 2009. The vessels' names were taken from two of the three cancelled offshore patrol vessels. In May 2020, the Royal Australian Navy placed an order for six 'Evolved' Cape-class vessels. The 'Evolved' Cape-class has several enhancements and has increased crew capacity from 22 to 32 people. In April 2022, the RAN ordered two additional 'Evolved' Cape-class vessels. Austal delivered the first of the 'Evolved' Cape-class ''Cape Otway'' to the RAN in March 2022.Operational history
Permanent berthing facilities at East Arm Wharf in Port Darwin (the ship's main base of operations) were commissioned in December 2015 and became fully operational in February 2016. Following availability issues with the ''Armidale'' class, ''Cape Byron'' and ''Cape Nelson'' were chartered by the RAN from July 2015 to the end of 2016 to supplement naval patrol boat availability. In naval service, the patrol boats are crewed by RAN personnel, operate from , and are identified with the Australian Defence Vessel (ADV) ship prefix, prefix, but retain the blue-and-red customs colour scheme.Ships in class
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