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Specifications

General

Length: 7.0 meters (23.1 feet)
Beam: 2.6 meters (8.4 feet)
Draft: 2.4 meters (7.9 feet) surfaced
Height: 3.6 meters (11.6 feet)
Operating Depth: 4,500 meters (14,764 feet)
Normal Dive Duration: 6-10 hours
Gross Weight: 20 metric tons (40,000 pounds)
Speed: 0-2 knots (0-2.3 mph)
Science Basket Payload: 181.4 kilograms (400 pounds)
Personnel Sphere Volume: 4.8 cubic meters
Personnel Complement: 1 Pilot, 2 Observers

 

Observation

  • 5 viewports: 3 forward (17” diameter), 2 side (12” diameter)
  • Overlapping fields of view

Electrical Power

  • 2 banks of lead-acid batteries, each 120 V, 140 AH

Communication

  • Redundant acoustic telephones (voice or code)
  • Marine band (VHF) radio
  • Sound-powered phone
  • Digital datalink through USBL/SMS

Imaging

  • 2 Insite Mini Zeus HD cameras with individual pan and tilt
  • 2 Kongsberg OE14-522 pan/tilt/zoom HD cameras near viewports
  • Additional situational cameras available
  • Three 7” HD LCD flat panel displays for in-hull viewing
  • HD video recorders
  • Optional HD video/still frame camera for mounting on manipulator
  • Hand-held digital still and video cameras

Lighting

  • 12 lighting channels, each 10A, fused at 80A total
  • Multiple positionable LED lamps
  • Situational and emergency lighting
  • Down-looking survey lighting
  • Lasers for optical size reference

Propulsion

  • 7 thrusters
  • Forward, reverse, lateral capability
  • Auto heading, altitude and depth

Vehicle Sensors

  • Fiber-optic gyrocompass: Octans or PHINS
  • Redundant depth sensors
  • Teledyne RDI Workhorse 600kHz Doppler velocity log
  • Sonardyne AvTrak USBL transponder
  • GPS sensor

Acoustic Sensors

  • Reson SeaBat 7125 dual frequency multibeam seafloor profiling sonar
  • Imagenex 881 profiling sonar
  • Tritech Seaking S8540 dual frequency scanning sonar

Navigation

  • Dedicated in-hull navigation with touch screen display
  • Bottom tracking Doppler velocity log
  • Auxiliary long baseline acoustic navigation system
  • Sonardyne Homer Pro location beacons

Manipulators/Sampling

  • Schilling Titan 4 with 7 degrees of freedom
  • ISE with 6 degrees of freedom
  • 16 square foot sample basket, payload 181 kilograms (400 pounds)
  • Elevator (mission configurable):
  • Free ascent
  • Payload: 90 kilograms (200 pounds)
  • Scientific sampling devices: Water samplers, tube corers and bio boxes

Scientific Instrumentation Support

  • Power: 12, 24 and 120 VDC switched circuits available
  • Hydraulics: 6 available hydraulic circuits
  • SeaBird SBE49 CTD
  • Digital sensor interface available
  • Hard-wired sensor interface available
  • Integrated data system
  • In-sphere laptop computers
  • In-sphere SeaLog-specific iPads
(Illustration by E. Paul Oberlander, Woods Hole Oceanographic Institution)