page_title: HMAS Brunei
section_title: Design and construction
hierarchical_section_title: HMAS Brunei / Design and construction
caption_attribution_description: English: A Sailor assigned to the forward-deployed amphibious transport dock USS Denver (LPD 9) waits to cast off mooring lines during a sterngate marriage with an Australian landing craft utility during a Talisman Saber 2009 (TS09) training exercise July 11, 2009. TS09 is a biennial combined training activity designed to train Australian and U.S. forces in planning and conducting combined task force operations, which will help improve ADF/US combat readiness and interoperability
context_page_description: BRP Ivatan is a Balikpapan-class heavy landing craft operated by the Philippine Navy. One of eight vessels built by Walkers Limited for the Royal Australian Navy, the ship was commissioned into Australian service in 1973 as HMAS Brunei. During her RAN career, Brunei visited Lord Howe Island, was deployed post-Cyclone Tracy as part of Operation Navy Help Darwin, performed coastal surveys of northern Australia and Papua New Guinea, and served as part of the INTERFET peacekeeping taskforce.
  Brunei was decommissioned from Australian service in 2014. The ship was refurbished and donated to the Philippine Navy, commissioning as BRP Ivatan in 2015.
context_section_description: The eight-vessel Balikpapan class was ordered as a locally manufactured replacement for the Australian Army's LSM-1-class landing ship medium and ALC 50 landing craft. They are 44.5 metres (146 ft) long, with a beam of 10.1 metres (33 ft), and a draught of 1.9 metres (6 ft 3 in). The landing craft have a standard displacement of 316 tons, with a full load displacement of 503 tons. They are propelled by two G.M. Detroit 6–71 diesel motors, providing 675 brake horsepower to the two propeller shafts, allowing the vessels to reach 9 knots (17 km/h; 10 mph). The standard ship's company is 13-strong. The Balikpapans are equipped with a Decca RM 916 navigational radar, and fitted with two 7.62 millimetres (0.300 in) machine guns for self-defence.
  The LCHs have a maximum payload of 180 tons; equivalent to 3 Leopard 1 tanks, 13 M113 armoured personnel carriers 23 quarter-tonne trucks, or four LARC-V amphibious cargo vehicles. As a troop transport, a Balikpapan-class vessel can transport up to 400 soldiers between a larger amphibious ship and the shore, or embark 60 soldiers in six-berth caravans for longer voyages. The vessel's payload affects the range: at 175 tons of cargo, each vessel has a range of 1,300 nautical miles (2,400 km; 1,500 mi), which increases to 2,280 nautical miles (4,220 km; 2,620 mi) with a 150-ton payload, and 3,000 nautical miles (5,600 km; 3,500 mi) when unladen. The flat, box-like keel causes the ships to roll considerably in other-than-calm conditions, limiting their ability to make long voyages.
  The ship was laid down by Walkers Limited at Maryborough, Queensland on 9 August 1971, launched on 8 October 1971, and commissioned into the RAN as HMAS Brunei on 5 January 1973.
caption: HMAS Brunei's bow ramp open on the stern gate of USS Denver during Exercise Talisman Sabre 2009
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