HMAS Sirius (O 266) – October 21, 2017

Posted 5 years ago

In 2010, Sirius was approved to carry and deploy boarding parties. This capability was tested during Exercise Kakadu 10, along with the ship’s first ever dual replenishment.

HMAS Sirius (O 266)

Sirius has a full load displacement of 46,775 tonnes, is 191.3 metres (628 ft) in length, with a beam of 32 metres (105 ft) and a draught of 11 metres (36 ft). Propulsion machinery consists of a single propeller shaft driven by a single Hyundai B&W 6S 50MC diesel, supplemented by a bow thruster. Top speed is 16.5 knots (30.6 km/h; 19.0 mph), and the ship has a range of 16,000 nautical miles (30,000 km; 18,000 mi) at 14 knots (26 km/h; 16 mph). Sirius can carry up to 34,806 cubic metres (1,229,200 cu ft) of fuel, including 5,486 cubic metres (193,700 cu ft) of helicopter aviation fuel, plus 240 tonnes of dry stores carried in a container deck designed for twelve 20-foot (6.1 m) intermodal containers. Modifications by Tenix included the fitting of two replenishment points (one on each side, allowing the underway replenishment of two ships simultaneously), installation of a helicopter deck aft of the superstructure, fitting of the container deck, addition of two 70-man lifeboats and two RHIBs (the latter sourced from Westralia), and modification of the internal layout and equipment to bring it to naval standards. Sirius is armed with five 12.7 mm machine guns for self-defence. The ship’s company includes 8 officers and 46 sailors.

Originally, the RAN planned to have a ship specially constructed for the role. The decision to instead purchase an under-construction civilian tanker and modify her for military service allowed Sirius to enter service three years before originally planned, at half the acquisition project’s planned cost.

First Published: en.wikipedia.org

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