The 'Petra Galaxy', designed by Conan Wu and Associates, is the latest vessel to join the fleet of Perdana Venus, of the Marshall Islands.
The 75-metre by 20-metre maintenance/work vessel has approximately 700 square metres of open deck space with a capacity of five tonnes per square metre for a total deadweight of 3475.56 tonnes of which 400 tonnes could be deck cargo with the vessel drawing 5.2 metres of draught.
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-tonne first layer pulling power to handle the four 5000kg Delta flipper anchors each connected by 1,200 metres of 38mm wire rope.
There are also sixteen 400-watt deck floodlights and an extensive suit of wheelhouse electronics by Furuno, Tokimec, Navtex, Anschuetz, Walker and Soura.
Below decks a pair of Cummins KTA50M2 main propulsion engines each delivering 1,340kW into Reintjes WAF664 gears with 5.044:1 ratios to turn 2.1-metre fixed-pitch propellers. Forward VTA28DM engine powers the bow thruster.
Main generators are three Cummins KTA19-powered 360kW sets. A Cummins 6CTA8.3DM-powered 150kW genset provides emergency services while a Cummins 6BT5.9 engine powers a Fi-Fi pump.
Capacities include 57 cubic metres of fuel oil, 1,057 cubic metres of fresh water supported by two reverse-osmosis water makers each producing 35 tonnes per day. The 'Petra Galaxy' has a 28-day endurance with a 5,000 nautical mile range.