ROV Ventana Specifications

ROV Ventana control system upgrade.


  • Dimensions
    • Length: 10′
    • Width: 5′ 6″
    • Height: 7′ 3″
  • Structure and ballast
    • Core vehicle dry weight: 2,567 kg. (5,660 lbs.)
    • Core vehicle with benthic sled is typically 7450 lbs.
    • Core vehicle with midwater sled:
      • Heaviest configuration: 8225 lbs.
      • Lightest configuration: 7450 lbs.
    • Configurable ballast combined with benthic sled:
      • 850 lbs.
      • 80 lbs. variable buoyancy, expandable to 380 lbs.
  • Power (hotel): 8 kW
    • Lighting: 3.4 kW
    • System: 1.1 kW
    • Science: 3.5 kW
  • Hydraulic power: 3000 psi
    50 hp Franklin electric motor (2300 VAC)
    Rexroth A10-25 hydraulic pump
  • Thrusters (six):
    Two Rexroth A2F with ISE nozzles
    Four Volvo F11-10 with ISE nozzles
  • Servo manifolds:
    • MOOG -78 series 25gpm (thrusters and 1 auxiliary) 5 station
    • MOOG -30 series 1.8gpm (camera control) & 2 MOOG -32 series 6gpm (spares) 5 station
  • Hydraulic valve manifolds (two 8-station, 3-position 4-way)
  • Two manipulators: Schilling T4 7-function with camera, Schilling/Oceaneering Hybrid Atlas 7-function
  • Umbilical cable: 2300 m
  • Three # 12 gage conductors for hydraulics
  • Four # 16 gage conductors for vehicle hotel
  • Four single-mode fibers, vehicle, HD video, ethernet, spare

Control System

  • Custom hardware and software developed at MBARI and Greensea Systems, Inc. Communication is achieved by use of local area network (LAN), multiplexed serial port technology, and analog interface.
  • Focal 903 digital multiplexer, 21 RS232 serial, 5 RS485 serial

Navigation Instrumentation

  • Altimeter: Kongsberg 1007D, 100 meter range
  • Depth Sensor: Paroscientific 8B2000
  • Octans Fiber Optic Gyro (FOG) motion sensor with six degrees of freedom in custom 2000m titanium housing
  • ROV INS – Sonardyne Sprint 505 with real time aiding including : Speed of Sound, Depth, RDI DVL, USBL, and 1 PPS subsea synchronized with GPS
  • RDI Workhouse Doppler Velocity Log (DVL) with system integrated stationkeeping and video mosaicing, 1200 Khz.
  • USBL Sonardyne Ranger 2 V 6.0 with pole mounted Lodestar AHRS, HPT head and Laser surveyed CASIUS corrected offsets, 4000 m capable.
  • USBL Ranger 1 with GDT head for older HPR beacons and Sonardyne Homer tracking capability from ship.
  • ROV to ship beacons: Sonardyne WMT 6G and Applied Acoustic HPR – both in responder or transponder mode selectable from surface.
  • ROV to subsea targets using Sonardyne homer tracking system, 400 m range line of sight.
  • Sonardyne WMT beacon / AA 935 beacon (backup)


  • 6 DSPL HMI lamps, 400 watts, custom upgrade with Schiederwerk ballasts/ignitors
  • Two core vehicle lamps on ROS accupositioner Pan/Tilt units
  • Two Midwater sled lamps on ROS PT-10 Pan/Tilt units
  • 2x DSPL L.E.D. Lamps 250 watts


  • Mesotech MS1000, 675 kHz high resolution head or 330 kHz standard head
  • USBL (ship to ROV beacon), Sonardyne Ranger 2 software with laser measured offsets and Casius calibration
  • Tritech – Gemini 720is Multibeam Imaging Sonar 720kHz

Camera Systems

  • One Ikegama HDL-57 60p camera with HA10X5.2 Fujinon zoom lens
  • Six Insight Orion zoom cameras with integrated pilot control
  • Extron 30 X 30 Video Switch (ROV control room)
  • Secondary HD 1080i 60 camera capability using Seacon MINL 3G standard interface typically with  Insite Pacific Micro Zeus camera and dual serial port control.
  • VARS Video Annotation System with realtime annotation and up to 4K frame grab capabilities
  • M3RS video recording system:
    • MacOS/MacPro rack mount system
    • Movie Recorder software with 3 feed capabilities
    • Records video formats up to 4K resolution using DeckLink 8K Pro capture cards
    • Records master (ProRes) and mezzanine (H.264) formats simultaneously to Thunderbolt 3 RAID at up to 40Mbps
    • Additional software allows for pilot monitoring, automated dive number entry, automated nightly backups, and more
    • Video recordings are time-synced with shipboard UTC time server

Science Sensors

  • Scientific CTD package
    • depth, temperature, salinity: SBE 19plus V2
    • dissolved O2 via SBE 43
    • transmissometer, WET Labs CSTAR
    • spare channel or fluorometer, WET Labs
  • Harbor Branch spatial lasers, custom electronic boards
    • 2 parallel, 9″ spacing
    • 1 crossing
    • 1 splitter, 1″ spacing
  • Gigabit ethernet high speed port + 120 vac @ 5 amps
  • 10/100 Base-T Ethernet port + 120 vac power @ 5 amps
  • Three dedicated high speed serial ports for science, with 12 and 24 VDC, and NTSC video available
  • “MARS like” interface port to simulate subsea MARS ports

Swing Arm Interface Drawing

At Sea

Research Vessel Western Flyer
R/V Western Flyer cruise planning
Checklist of Supplies
Cruises outside home port
Data and video: formats and specifics
Departure/arrival times
early departure
Hazardous materials
Precruises and postcruises
ROV dive time definitions
RHIB operations
ROV users checklist
Science party guidelines
Scuba diving
Ship to shore communications
Research Vessel Rachel Carson
R/V Rachel Carson cruise planning
Research Vessel Paragon
Emergencies and contacts
Onboard documents and logs
Policies and operating guidelines
Marine operations policies
Departure/arrival times
Early departure
Elevator payload limits
Equipment design guidelines
Hazardous materials
Homer beacon policies
Lab use and chemical safety
NILSPIN ™ oceanographic ropes
Push core policies and description
RHIB operations
Rigging policy
Science party size
Cruise planning
Marine operations policies
Remotely operated vehicles
ROV Ventana
ROV Doc Ricketts
Mini remotely operated vehicle (ROV)
Autonomous underwater vehicles
Gulper autonomous underwater vehicle
Seafloor mapping AUV
Long-range autonomous underwater vehicle Tethys
Investigations of imaging for midwater autonomous platforms
Benthic Rover
Autonomous surface vehicles
Wave Glider
Wave Glider-based communications hotspot
2020 Expeditions
2019 Expeditions
2018 Expeditions
2017 Expeditions
2016 Expeditions
2015 Expeditions
2014 Expeditions
2013 Expeditions
2012 Expeditions
Cabled observatory
About MARS
MARS contacts
MARS science experiments
Ocean Soundscape
Soundscape Listening Room
MARS hydrophone data
How to connect to MARS
MARS contacts
How to interface
MARS site description
MARS instrument deployment
MARS biology
MARS technology
MARS connector wiring
MARS node description
More ocean observatory resources
Local notice to mariners
Mooring data
Research tools
Administration & planning
Marine operations technicians