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 246 ft by 65.5 ft maintenance/work vessel has approximately 7,535 sq ft of open deck space and a total deadweight of 3,475.5 tonnes of which 400 tons could be deck cargo with the vessel drawing 17 ft 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. It 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 3,937 ft of 38 mm wire rope. There are also 16 400-watt deck floodlights and a suit of wheelhouse electronics by Furuno, Tokimec, Navtex, Anschuetz, walker and Soura.
Below decks a pair of Cummins KTA50M2 main propulsion engines each delivering 1800 HP into Reintjes WAF664 gears with 5.044:1 ratios to turn 2.1-meter 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 15,057 gallons of fuel oil, 279,230 gallons 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 5000 nautical mile range.