HMAS Archer (P 86)

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Builder: Evans Deakin and Company
Launched: 2 December 1967
Commissioned: 15 May 1968
Decommissioned: 21 May 1974
Fate: Sold to Indonesia
Name: Siliman
Status: Active as of 2011
General characteristics
Class and type: Attack class patrol boat
  • 100 tons standard
  • 146 tons full load
Length: 107.6 ft (32.8 m) length overall
Beam: 20 ft (6.1 m)
  • 6.4 ft (2.0 m) at standard load
  • 7.3 ft (2.2 m) at full load
  • 2 × 16-cylinder Paxman YJCM diesel engines
  • 3,460 shp (2,580 kW)
  • 2 shafts
Speed: 24 knots (44 km/h; 28 mph)
Range: 1,200 nautical miles (2,200 km; 1,400 mi) at 13 knots (24 km/h; 15 mph)
Complement: 3 officers, 16 sailors

HMAS Archer (P 86) was an Attack class patrol boat of the Royal Australian Navy (RAN).

Design and construction[edit]

The Attack class was ordered in 1964 to operate in Australian waters as patrol boats, replacing a variety of old patrol, search-and-rescue, and general-purpose craft. The design was developed based on lessons learned from the use of Ton class minesweepers for patrol duties off Borneo during the Indonesia-Malaysia Confrontation.[1] Initially, nine boats were ordered for the RAN, with another five for Papua New Guinea's Australian-run coastal security force. Subsequently, another six ships were ordered which brought the class to 20 vessels.[1] The class had a displacement of 100 tons at standard load and 146 tons at full load, were 107.6 feet (32.8 m) in length overall, had a beam of 20 feet (6.1 m), and draughts of 6.4 feet (2.0 m) at standard load, and 7.3 feet (2.2 m) at full load.[1][2] Propulsion machinery consisted of two 16-cylinder Paxman YJCM diesel engines, which supplied 3,460 shaft horsepower (2,580 kW) to the two propellers.[1][2] The vessels could achieve a top speed of 24 knots (44 km/h; 28 mph), and had a range of 1,200 nautical miles (2,200 km; 1,400 mi) at 13 knots (24 km/h; 15 mph).[1][2] The ship's company consisted of three officers and sixteen sailors.[2] Main armament was a bow-mounted Bofors 40 mm gun, supplemented by two .50 calibre M2 Browning machine guns and various small arms.[1][2] The ships were designed with as many commercial components as possible: the class were to operate in remote regions of Australia and New Guinea, and needed to be able to utilise locally available mechanical components.[3]

Archer was built by Walkers Limited at Maryborough, Queensland,[4] launched on 2 December 1967[citation needed] and commissioned on 15 May 1968.[4]

Operational history[edit]

Archer paid off on 21 October 1974. She was transferred to the Indonesian Navy and renamed Siliman,[5] and was listed in Jane's Fighting Ships as still operational in 2011.[5]


  1. ^ a b c d e f Gillett, Australian and New Zealand Ships since 1946, p. 86
  2. ^ a b c d e Blackman (ed.), Jane's Fighting Ships, 1968–69, p. 18
  3. ^ The patrol boat, Australian National Maritime Museum
  4. ^ a b Gillett, Australian and New Zealand Ships since 1946, p. 87
  5. ^ a b Saunders, Stephen, ed. (2011). Jane's Fighting Ships 2011–2012. Coulsdon: IHS Jane's. p. [page needed]. ISBN 9780710629593. OCLC 751789024. 


  • Blackman, Raymond, ed. (1968). Jane's Fighting Ships, 1968–69 (71st ed.). London: Jane's Publishing Company. OCLC 123786869. 
  • Gillett, Ross (1988). Australian and New Zealand Warships since 1946. Brookvale, NSW: Child & Associates. ISBN 0-86777-219-0. OCLC 23470364. 
  • "The patrol boat". Australian National Maritime Museum. Retrieved 30 June 2011.