• auv_class.jpg
      From L: Graduate students Lorraine Brasseur, Justin Vandever, Rob Condon, and Jarrell Smith pose with Professor Mark Patterson and classmate Taiping Wong before launching Fetch from the Yorktown waterfront.   Photo by David Malmquist.
  • fetch_in_water.jpg
      VIMS graduate student Lawrence Carpenter prepares the autonomous underwater vehicle Fetch for a research mission in the Florida Keys.  
  • penguins_auv.jpg
      A trio of chinstrap penguins investigate the robotic vehicle Fetch while it awaits deployment from the rocky shore of Livingston Island, South Shetland Islands, Antarctica.   Photo by Dr. Mark Patterson.
  • fetch_pool.jpg
      Dr. Mark Patterson performs trials with the robotic vehicle Fetch to find out what blue crabs and jellyfish look like on sonar. Student assistant David James lends a hand.   Photo by David Malmquist.
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A pioneering robotic sub that continues to push the envelope

6.5 feet long,  220 pounds

Maximum Diving Depth

500 feet

Power Source

Rechargeable batteries, charged on boat or docking station

Battery Life

18 hours per charge (at 3 knots)

Range of Motion

Can move vertically; propeller enables forward motion

  • GPS
  • Wi-Fi
  • Microwave RF modem
  • CTD sensor
  • Altimeter
  • Side-scan sonar
  • Video camera
  • Capture video of ocean floor
  • 2-D imaging of animals and plants
  • Measure water quality and temperature