Twin 455Kw Caterpillar engines

OVERVIEW

RV Ocean Recovery is a 43-metre research and dive support vessel in commercial survey with the Cook Islands, with berths for 28 people and a displacement of about 1000 tons, (gross tonnage  498 tons).  She has a beam of 9.2 meters, a draft of 3.2m and cruising speed of 9 knots. She has an afterdeck cargo capacity of 150 tons.

She has a recompression chamber, dive bell and a surface air system to supply divers to 30m. The crane can lift 15 tonnes alongside, and 5 tonnes fully extended.  With four anchors she can hold a precise position when moored.  She is SOLAS compliant.  Twin Caterpillar engines are rated at 455kw each.

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Specifications

• Displacement: 991 tons
• Gross tonnage : 498 tons
• Length: 43.9m (141 ft) excluding anchors
• Beam: 9.5m (31 ft)
• Draught: 3.2m (10 ft)
• Air draught: 21m
• Speed: 10 knots, cruise 8 knots
• Range: 5,000 nautical miles
• Propulsion: 2 x Caterpillar marine diesel engines (565 Hp or 450kW each)
• Two variable pitch propellers
• Bow thruster
• Tender: 4.2m Zodiac with 40hp outboard (new 2022),  and capacity for several RHIBs
• Accommodation: 28 berths
• Large working weather-deck (7m x 10 m) with removable 20ft container – for workshop, laboratory etc.  With room for more.
• Main deck crane can lower 15 tons alongside (50m depth), or 5 tons at full 13m extension (150m depth), 
• HIAB 200 sea crane on aft (2500kg at 15m full extension)
• A-Frame on port side for dive bell, or other uses (150m of cable, 4.5 tons)
• diving-support systems
  • Re-compression chamber
  • compressor (new 2022) and airbank can fill 5 dive tanks at the same time (200 & 300 bar)
  • wet diving bell (to 150m depth) with audio comms
  • surface supplied breathing air to 50m
  • underwater welding and hydraulic tools
• a small well-equipped workshop (lathe etc)
• considerable coolroom and freezer capacity
• Fuel capacity 142 tons
• Fresh water tanks 160 tons,  and water maker