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Sirius class replenishment vessel

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The Sirius-class replenishment vessels were a class of four ships in the Royal Australian Navy that entered service from 2006 onwards.


  • Type: Replenishment Vessel
  • Service Period: 2006-Present
  • Characteristics:
    • Length: 630 feet (192.02 meters)
    • Beam: 105 feet (32 meters)
    • Draught: 36 feet (10.97 meters)
    • Displacement: 37,560 tons (Full Load)
  • Crew: 60
  • Propulsion: 2 x General Motors Model 265 diesel engines, 2 x direct drive shafts
  • Speed: 22.5 knots (41.67 km/h)
  • Sensor Suite:
    • Raytheon Type 1048 E/F-Band Air Search Radar
    • Ericsson Sea Giraffe HC 150 (G band) air/surface search radar
    • Atlas Elektronik 9600 ARPA navigational radar
    • Petrel Mine and Obstacle Avoidance Sonar system
    • Cossor AIMS Mark XII identification-friend-or-foe system
  • Armament:
    • 2 × DS30B 30mm cannons
    • 2 x 7.62mm Mk.44 Miniguns
    • 5 x 7.62mm L7 machine guns
  • Aircraft Carried: 3 x Agusta-Westland AW.159 Wilcat maritime helicopters
  • Aviation Facilities: Hangar and flight deck

Unit RunEdit

  • HMAS Sirius (RO A311)
  • HMAS Altair (RO A312)
  • HMAS Procyon (RO A313)
  • HMAS Vega (RO A314)
  • HMAS Fomalhaut (RO A315)

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