HMAS Armidale (ACPB 83)

Last updated

HMAS Armidale Darling Harbour.jpg
HMAS Armidale at Darling Harbour in January 2008
History
Naval Ensign of Australia.svgAustralia
NamesakeCity of Armidale, New South Wales
Builder Austal, Henderson, Western Australia
Commissioned24 June 2005
Decommissioned30 March 2023
Homeport HMAS Coonawarra, Darwin
Identification Callsign: VKCV
Motto"Stand Firm"
Honours and
awards		Three inherited battle honours
Badge HMAS armidale crest.png
General characteristics
Class and type Armidale-class patrol boat
Displacement300 tons standard load
Length56.8 m (186 ft)
Beam9.7 m (32 ft)
Draught2.7 m (8.9 ft)
Propulsion2 × MTU 4000 16V 6,225 horsepower (4,642 kW) diesels driving twin propellers
Speed25 knots (46 km/h; 29 mph)
Range3,000 nautical miles (5,600 km; 3,500 mi) at 12 knots (22 km/h; 14 mph)
Endurance21 days standard, 42 days maximum
Boats & landing
craft carried		2 × Zodiac 7.2 m (24 ft) RHIBs
Complement21 standard, 29 maximum
Sensors and
processing systems		Bridgemaster E surface search/navigation radar
Electronic warfare
& decoys
  • Prism III radar warning system
  • Toplite electro-optical detection system
  • Warrlock direction finding system
Armament

HMAS Armidale (ACPB 83), named for the city of Armidale, New South Wales, is the lead ship of the Armidale class of patrol boats serving in the Royal Australian Navy (RAN). It was commissioned in June 2005 and decommissioned in March 2023.

Contents

Design and construction

The Armidale-class patrol boats are 56.8 metres (186 ft) long, with a beam of 9.7 metres (32 ft), a draught of 2.7 metres (8 ft 10 in), and a standard displacement of 270 tons. [1] The semi-displacement vee hull is fabricated from aluminium alloy, and each vessel is built to a combination of Det Norske Veritas standards for high-speed light craft and RAN requirements. [2] The Armidale's can travel at a maximum speed of 25 knots (46 km/h; 29 mph), and are driven by two propeller shafts, each connected to an MTU 16V M70 diesel. [3] The ships have a range of 3,000 nautical miles (5,600 km; 3,500 mi) at 12 knots (22 km/h; 14 mph), allowing them to patrol the waters around the distant territories of Australia, and are designed for standard patrols of 21 days, with a maximum endurance of 42 days. [3] [2]

The main armament of the Armidale class is a Rafael Typhoon stabilised 25-millimetre (0.98 in) gun mount fitted with an M242 Bushmaster autocannon. [3] Two 12.7-millimetre (0.50 in) machine guns are also carried. [4] Boarding operations are performed by two 7.2-metre (24 ft), waterjet propelled rigid-hulled inflatable boats (RHIBs). [2] Each RHIB is stored in a dedicated cradle and davit, and is capable of operating independently from the patrol boat as it carries its own communications, navigation, and safety equipment. [2] [5]

HMAS Armidale docked at HMAS Waterhen in 2008 HMAS Armidale at Waterhen.jpg
HMAS Armidale docked at HMAS Waterhen in 2008

Each patrol boat has a standard ship's company of 21 personnel, with a maximum of 29. [3] [2] The Armidale class have returned to a permanently assigned ship's company; [6] previously they were assigned to divisions at a ratio of two vessels to three companies, which rotated through the vessels and allow platforms to spend more time at sea. [2] [7] A 20-berth auxiliary accommodation compartment was included in the design for the transportation of soldiers, illegal fishermen, or unauthorised arrivals; in the latter two cases, the compartment could be secured from the outside. [8] However, a malfunction in the sewerage treatment facilities aboard HMAS Maitland in August 2006 pumped hydrogen sulfide and carbon monoxide into the compartment, non-fatally poisoning four sailors working inside, after which use of the compartment for accommodation was banned across the class. [7] [8]

Armidale was constructed by Austal in Henderson, Western Australia. [1] She was commissioned into the RAN at HMAS Coonawarra in Darwin on 24 June 2005. [1]

Operational history

Armidale was based in Darwin, and performed border protection and fisheries protection patrols. After protests began in Solomon Islands in late 2021, the Australian Federal government deployed Armidale in addition to a team of Australian Army and Australian Federal Police officers to assist the Royal Solomon Islands Police Force to quell the unrest.

The patrol boat was decommissioned at Darwin on 30 March 2023. During its career Armidale sailed for over 571,000 nautical miles. [9]

Citations

  1. 1 2 3 Saunders (ed.), IHS Jane's Fighting Ships 2012–2013, p. 33
  2. 1 2 3 4 5 6 Kerr, Plain sailing
  3. 1 2 3 4 Wertheim (ed.), The Naval Institute Guide to Combat Fleets of the World, p. 22
  4. ↑ Heron & Powell, in Australian Maritime Issues 2006, p. 132
  5. ↑ Heron & Powell, in Australian Maritime Issues 2006, p. 131
  6. ↑ Navy, corporateName=Royal Australian. "HMAS Armidale (II)". www.navy.gov.au. Retrieved 12 March 2022.
  7. 1 2 Kerr, Patrol boats shake down fuel faults
  8. 1 2 McKenna, Gas risk remains for navy boats
  9. ↑ "Farewell to the first of its class". Media release. Department of Defence. 4 April 2023. Retrieved 4 April 2023.

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