HMAS Mermaid (A 02)

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History
Naval Ensign of Australia.svgAustralia
Builder: Eglo Engineering, Adelaide
Laid down: 19 July 1988
Launched: 28 September 1989
Commissioned: 4 December 1989
Identification: MMSI number: 503152000
Motto: "No Task Too Arduous"
Status: in active service
General characteristics
Class and type: Paluma-class survey motor launch
Displacement: 320 tonnes
Length: 36.6 m (120 ft) length overall
Beam: 13.7 m (45 ft)
Draught: 1.9 m (6 ft 3 in)
Propulsion: 2 Detroit V12 diesel engines
Speed: 12 knots (22 km/h; 14 mph)
Range: 1,800 nautical miles (3,300 km; 2,100 mi) at 10 knots (19 km/h; 12 mph)
Endurance: 14 days
Complement: 3 officers, 11 sailors (plus accommodation for 4 additional)
Sensors and
processing systems:
  • Radar:
  • JRC JMA-3710-6 navigational radar
  • Sonars:
  • ELAC LAZ 72 side-scan mapping sonar
  • Skipper 113 hull-mounted scanning sonar
Armament: None fitted

HMAS Mermaid (A 02) is a Paluma-class survey motor launch serving in the Royal Australian Navy (RAN).

Royal Australian Navy naval warfare branch of the Australian Defence Force

The Royal Australian Navy (RAN) is the naval branch of the Australian Defence Force. Following the Federation of Australia in 1901, the ships and resources of the separate colonial navies were integrated into a national force, called the Commonwealth Naval Forces. Originally intended for local defence, the navy was granted the title of 'Royal Australian Navy' in 1911, and became increasingly responsible for defence of the region.

Contents

Design and construction

The Paluma-class vessels have a full load displacement of 320 tonnes. [1] They are 36.6 metres (120 ft) long overall and 36 metres (118 ft) long between perpendiculars, have a beam of 13.7 metres (45 ft), and a draught of 1.9 metres (6 ft 3 in). [1] Propulsion machinery consists of two General Motors Detroit Diesel 12V-92T engines, which supply 1,290 brake horsepower (960 kW) to the two propeller shafts. [1] Each vessel has a top speed of 12 knots (22 km/h; 14 mph), a maximum sustainable speed of 10 knots (19 km/h; 12 mph) (which gives a maximum range of 1,800 nautical miles (3,300 km; 2,100 mi)), and an endurance of 14 days. [1]

Length overall maximum length of a vessels hull measured parallel to the waterline

Length overall is the maximum length of a vessel's hull measured parallel to the waterline. This length is important while docking the ship. It is the most commonly used way of expressing the size of a ship, and is also used for calculating the cost of a marina berth.

The sensor suite of a Paluma-class launch consists of a JRC JMA-3710-6 navigational radar, an ELAC LAZ 72 side-scan mapping sonar, and a Skipper 113 hull-mounted scanning sonar. [1] The vessels are unarmed. [1] The standard ship's company consists of three officers and eleven sailors, although another four personnel can be accommodated. [1] The catamarans were originally painted white, but were repainted naval grey in 2002. [1]

Side-scan sonar

Side-scan sonar is a category of sonar system that is used to efficiently create an image of large areas of the sea floor.

Constructed by Eglo Engineering, Mermaid was laid down on 19 July 1988, launched on 28 September 1989, and commissioned into the RAN on 4 December 1989. [1]

Citations

  1. 1 2 3 4 5 6 7 8 9 Wertheim (ed.), The Naval Institute Guide to Combat Fleets of the World, p. 28

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References

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