Technical specifications
| Name | RV Investigator | |
|---|---|---|
| Port of Registry | Hobart | |
| Research Vessel | Multi-purpose | |
| Length Overall | 93.9 metres | |
| Beam | 18.5 metres | |
| Draft | 6.2 metres | |
| Lloyds Classification | +100A1, +LMC RESEARCH VESSEL, DP (AM) UMS, ICE 1C, IWS, SPS CODE | |
| Gross tonnage | 6082 | |
| Australian Register of Shipping Official Number | 860820 | |
| IMO Number | 9616888 | |
| Endurance | 60 days | |
| Cruising speed | 11 knots | |
| Range | Approximately 10,000 nautical miles | |
| Accommodation | Total 60 berths: 20 ship crew and 40 science party with latter comprised of approximately 10 MNF technical support staff and 30 researchers (depending on research plan and support requirements) | |
| Diesel Generators | 3 x 9 cylinder 3000kW MaK Diesel engines each coupled to a 690V AC Generator | |
| Propulsion | Diesel-Electric, 2 x fixed pitch propellers | |
| Propulsion Motors | 2 x L3 AC reversible propulsion motors rated at 2600 kW each | |
| Thruster | 1200 kW bow Azimuth thruster | |
| Rudders | 2 x independently vectoring Becker high lift | |
| Steering Gear | 2 x rotary vane units | |
| Stabilisers | Passive roll tanks | |
| DNV Silent-R | Will operate with low levels of radiated noise to allow for enhanced science operations | |
| Ice capability | Operations will be limited to the ice edge and the vessel will avoid ice wherever possible as the vessel has an exposed gondola with acoustic instruments mounted on it, unprotected propellers and rudders. | |
| Dynamic Positioning | Kongsberg K-Pos - DP1 (AM) which allows the vessel to hold station within defined limits | |
| Electrical supply | 690V 3 phase 50Hz/415V 3 phase 50Hz/240V single phase 50Hz and uninterruptable power supply for laboratories and science equipment | |
| Emergency Generator | 1 x 400kW | |
| Capacities | Fuel oil 700 tonnes, fresh water 38 tonnes | |
| Drop keels | 2 x drop keels with instrumentation mounting extendable to 4 m below the keel. Either drop keel deployable at normal transiting speeds; both keels deployable at speeds less than 5 knots | |
| Gondola | 13m x 9m, 1.5m below the keel with fixed acoustic instrumentation | |
| A Frame | Triplex 20 tonne, height 9.4m, width 5.3m and capable of 170° swing range | |
| Handling equipment for short and long sediment corer pipes | 1 x Triplex telescopic boom with 30 tonnes lifting capacity, 1 x Triplex corer pipe handler and 2 x Triplex corer pipe davits with 2 tonne lifting capacity | |
| Forward Towing Booms | 2 x Triplex hydraulic (port and starboard) 250 kg standoff 11 metres | |
| Aft Towing Booms | 2 x Triplex hydraulic (port and starboard) 2.5 tonnes standoff 2.5 metres | |
| Main Crane | Dreggen Electro Hydraulic knuckle boom crane, 25 tonnes @ 12 metres, 5 tonnes @ 20 metres | |
| Forward Stores Crane | Dreggen electro hydraulic pedestal crane 5 tonnes @ 10 metres | |
| Aft Utility Cranes | 2 x Dreggen electro hydraulic pedestal crane 5 tonnes @ 10 metres | |
| Winch types | 2 x trawl, 1 x net drum, 1 x heavy duty towing, 1 x towed body deployment and recovery, 1 x vertical sediment grab and light towing, 1 x long sediment coring, 2 x CTD | |
| Navigational equipment | Kongsberg Integrated K-Bridge | |
| Radar equipment | Kongsberg S-band and X-band navigation radars, C-band dual polarisation Doppler weather radar | |
| Communications | Primary system: Dual-antenna 512kbps C Band VSAT; Secondary system: Inmarsat Fleet Broadband 500; Inshore system: Telstra Next G | |
| Owners | CSIRO | |
| Ship Managers | MMA Offshore Ltd |