The Petra Galaxy, designed by Conan Wu and Asscoiates, is the latest vessel to join the fleet of Perdana Venus Ltd. of the Marshall Islands. The 75-by-20m maintenance/work vessel has approximately 700 sq. m. of open deck space with an intended capacity of five tons per sq. m. for a total deadweight of 3475.56 tons, of which 400 tons could be deck cargo with the vessel drawing 5.2 meters of draft.
Classed by ABS as a + A1 +AMS Offshore Vessel, the Petra Galaxy includes air-conditioned accommodation for up 189 people as well as a hospital, conference room, recreation room and five offices. On deck, a Favelle Favco model 6/10 lattice boom offshore marine crane provides maintenance support. A four point anchoring system is fitted. Petra Galaxy employs four single drum winches with auto-spooling and 40-ton first layer pulling power to handle the four 5000 kg Delta flipper anchors each connected by 1,200 m of 38 mm wire rope. The vessel also features 16 400-watt deck floodlights and an extensive suite of wheelhouse electronics by Furuno, Tokimec, Navtex, Anschuetz, walker and Soura.
Below deck, a pair of Cummins KTA50M2 main propulsion engines delivers 1,800 HP into Reintjes WAF664 gears with 5.044:1 ratios to turn 2.1-m fixed-pitch propellers. Forward VTA28DM engine powers the bow thruster. Main generators are three Cummins KTA19-powered 360 kW sets. A Cummins 6CTA8.3DM-powered 150 kW genset provides emergency services while a Cummins 6BT5.9 engine powers a fi-fi pump.
Capacities include 57 cu m of fuel oil, 1057 cu m of fresh water supported by two reverse osmosis water makers each producing 35 tons per day. The Petra Galaxy will have a 28-day endurance with a 5,000 nautical mile range.
