HMAS Diamantina (M 86)

Last updated

HMAS Diamantina Otago Harbour.jpg
HMAS Diamantina in 2009
History
Naval Ensign of Australia.svgAustralia
NameDiamantina
Namesake Diamantina River
BuilderAustralian Defence Industries
Laid down4 August 1998
Launched2 December 2000
Commissioned4 May 2002
Homeport HMAS Waterhen
Identification MMSI number: 503125000
Motto"Whoever Leads Protects"
Honours and
awards		One inherited battle honour
StatusActive as of 2016
Badge HMAS diamantina crest.png
General characteristics
Class and type Huon-class minehunter
Displacement732 tons at full load
Length52.5 m (172 ft)
Beam9.9 m (32 ft)
Draught3 m (9.8 ft)
Propulsion
Speed
  • 14 knots (26 km/h; 16 mph) on diesel
  • 6 knots (11 km/h; 6.9 mph) on thrusters
Range1,600 nautical miles (3,000 km; 1,800 mi) at 12 knots (22 km/h; 14 mph)
Endurance19 days
Complement6 officers and 34 sailors, plus up to 9 additional
Sensors and
processing systems
  • Kelvin-Hughes Type 1007 navigational radar
  • GEC-Marconi Type 2093M variable-depth minehunting sonar
Electronic warfare
& decoys
  • AWADI PRISM radar warning and direction-finding system
  • Radamec 1400N surveillance system
  • 2 × Wallop Super Barricade decoy launchers
Armament

HMAS Diamantina (M 86), named after the Diamantina River, is a Huon-class minehunter currently serving in the Royal Australian Navy (RAN). Built by a joint partnership between Australian Defence Industries (ADI) and Intermarine SpA, Diamantina was constructed at ADI's Newcastle shipyard, and entered service in 2000.

Contents

Design and construction

In 1993, the Department of Defence issued a request for tender for six coastal minehunters to replace the problematic Bay-class minehunters. [1] The tender was awarded in August 1994 to Australian Defence Industries (ADI) and Intermarine SpA, which proposed a modified Gaeta-class minehunter. [1] [2]

Diamantina has a full load displacement of 732 tons, is 52.5 metres (172 ft) long, has a beam of 9.9 metres (32 ft), and a draught of 3 metres (9.8 ft). [3] Main propulsion is a single Fincantieri GMT BL230-BN diesel motor, which provides 1,985 brake horsepower (1,480 kW) to a single controllable-pitch propeller, allowing the ship to reach 14 knots (26 km/h; 16 mph). [4] Maximum range is 1,600 nautical miles (3,000 km; 1,800 mi) at 12 knots (22 km/h; 14 mph), and endurance is 19 days. [3] [4] The standard ship's company consists of 6 officers and 34 sailors, with accommodation for 9 additional (typically trainees or clearance divers). [3] The main armament is a MSI DS30B 30 mm cannon, supplemented by two 0.50 calibre machine guns. [4] The sensor suite includes a Kelvin-Hughes Type 1007 navigational radar, a GEC-Marconi Type 2093M variable-depth minehunting sonar, an AWADI PRISM radar warning and direction-finding system, and a Radamec 1400N surveillance system. [3] Two Wallop Super Barricade decoy launchers are also fitted. [3]

For minehunting operations, Diamantina uses three 120 horsepower (89 kW) Riva Calzoni azimuth thrusters to provide a maximum speed of 6 knots (11 km/h; 6.9 mph): two are located at the stern, while the third is sited behind the variable-depth sonar. [4] Mines are located with the minehunting sonar, and can be disposed of by the vessel's two Double Eagle mine disposal vehicles, the Oropesa mechanical sweep, the Mini-Dyad magnetic influence sweep, or the towed AMASS influence sweep (which is not always carried). [4] To prevent damage if a mine is detonated nearby, the ships were built with a glass-reinforced plastic, moulded in a single monocoque skin with no ribs or framework. [4] As the ships often work with clearance divers, they are fitted with a small recompression chamber. [3]

Diamantina was laid down by Australian Defence Industries at Newcastle, New South Wales on 4 August 1998,[ citation needed ] launched on 2 December 2000, and commissioned into the RAN on 4 May 2002. [3]

Operational history

On the morning of 13 March 2009, Diamantina was one of seventeen warships involved in a ceremonial fleet entry and fleet review in Sydney Harbour, the largest collection of RAN ships since the Australian Bicentenary in 1988. [5] The minehunter was one of the thirteen ships involved in the ceremonial entry through Sydney Heads, and anchored in the harbour for the review.

In October 2013, Diamantina participated in the International Fleet Review 2013 in Sydney. [6]

Diamantina suffered serious engine problems while patrolling the waters around Vanuatu in September 2021. These problems left her immobile at Port Vila until a repair team arrived from Australia. [7]

Citations

  1. 1 2 "Australia plans new mine warfare force". Jane's International Defence Review. 26 (6). Jane's Information Group. 1 June 1993.
  2. ↑ "Defence Materiel Organisation – Sea 1555 Project". Department of Defence – Australian Government. 13 June 2006. Archived from the original on 3 October 2006. Retrieved 16 January 2007.
  3. 1 2 3 4 5 6 7 Saunders (ed.), IHS Jane's Fighting Ships 2012–2013, p. 33
  4. 1 2 3 4 5 6 Wertheim (ed.), The Naval Institute Guide to Combat Fleets of the World, p. 23
  5. ↑ Brooke, Michael (2 April 2009). "Marching into History". Navy News. Department of Defence.
  6. ↑ "Participating Warships". International Fleet Review 2013 website. Royal Australian Navy. 2013. Archived from the original on 10 December 2013. Retrieved 14 December 2015.
  7. ↑ Levick, Ewen (16 September 2021). "Recurring engine defect strands HMAS Diamantina - Australian Defence Magazine". Australian Defence Magazine. Retrieved 17 September 2021.

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References

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