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RV Investigator in Darwin as storm builds behind. Image: David Witzke.

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

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