Vessel Specification

Vessel Details

• Name: Shearwater
• Type: Multi-Role Survey
• Year of Build: 1981
• Reconfigured, Refit and Repowered: 2011

Dimensions

• Length: 33 m
• Beam: 11m
• Draft: 2.74m
• GRT: 198
• NRT: 175
• Aft Deck: 1175 sq. ft with separate stern rescue deck

Accommodation

• Berths: 20 including crew
• Survey Lab: 127 sq ft
• Processing Office: 72 sq ft

Propulsion and Machinery

• Main Engines: 2 x 526 HP John Deere Model 6125AFM
• Propulsion: 2 x Hydraulically driven “Z” Drives (raise/lower/tilt with 360 degree steering)
• Bow Thruster: Thrustmaster 100 HP
• Generators: 2 x John Deere Model 6081AFM/Marathon (Magna Plus) 135 Kw

Capacities

• Desalination System: Up to 900 gallons/day
• Fresh Water Storage: 5000 gallons
• Fuel Storage: 13800 gallons
• Septic: Zero discharge with
• 2000 gallon holding tank
• Endurance: 21 days

Fuel Consumption

• Survey 24hrs: 300 gallons/day
• Steaming: 500-600 gallons/day
• Standby at Sea: 70-100 gallons/day

Navigation

• Radar: Furuno 1944C/NT
• Furuno 1935
• Charting System: Garmin 5208 GPS with Chart Plot
• Auto Pilot: COMNAV
• Echosounders: Furuno FCV 620 – color in each hull
• AIS: Furuno FA 150
• Navtex: Furuno NX700 Survey GPS, Heading and IMU: Applanix POS MV
• Acoustic Positioning: Moon Pool mounted USBL

Communication

• VHF: 2 x Icom IC-M504
• SSB: SEA 245 HF/SSB
• SART: Sevenstar Electronics S.701
• Satellite (Phone/Data): Intellian v80G VSAT

Equipment Handling

• Equipment Moon Pools: Port and Starboard 3 foot diameter moon pools
• Hydraulic Stern A-Frame: 2 Ton Capacity
• Can operate as two separate davits
• Fixed Starboard A-Frame: 5 Ton Capacity
• Crane: 14 Ton Maximum Capacity
• 5 Ton w/ single part line
• 2 Ton at 40’ Extension.
• Geotechnical Winch: 5 Ton Capacity
• Survey Equipment Winch: 2500m (11mm diam.) Capacity

Survey Capabilities

• Hydrography and Geophysics
• Multibeam and Single Beam Echosounders
• Side Scan Sonars
• Subbottom Profilers
• Boomers
• Sparkers
• Mini Air Gun
• Multi-Channel Streamers
• Magnetometers and Gradiometers

Benthic and Oceanographic

• CTD and SVPs
• Water Sampling Systems
• Turbidity Monitoring Systems
• Benthic Grabs
• Box Corers
• Drop Down Cameras

Geotechnical

• 10 to 30’ Pneumatic and Electric Vibracores
• Mini-CPTs
• Piston Corers
• Drop Corers
• Grab Sampler

Other

• Deployment and Retrieval of Inspection
• Class ROVs and Compact AUVs
• Dive Platform Capable
• Permanently Installed Networked Server