NOAA Bay Hydro II

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  • 5000 slideright true 25 bottom 100 http://www.sailbaltimore.org/images/ships/2009_BayHydroII.jpg
    Bay Hydro II 2009 
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  • 5000 slideright true 25 bottom 100 http://www.sailbaltimore.org/images/ships/2011Aug30_BayHydroII.jpg
    Bay Hydro II 2011 
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  • 5000 slideright true 25 bottom 100 http://www.sailbaltimore.org/images/ships/2010May21_BayHydroII_NatlMaritimeDayBaltimore.jpg
    Bay Hydro II at 2010 National Maritime Day 
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  • 5000 slideright true 25 bottom 100 http://www.sailbaltimore.org/images/ships/BayHydroII.jpg
    Bay Hydro II in Inner Harbor 
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    Bay Hydro II Crew 
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About the Ship

Bay Hydro II serves as NOAA’s “eyes” to see the Chesapeake Bay’s bottom. The vessel is equipped with state-of-the-art hydrographic technology to calculate water depths, locate sunken debris and chart the shape of the sea floor. The vessel can also serve as a navigation response unit to search for underwater dangers to navigation near port entrances and critical shipping routes after a hurricane or other emergency. In 2011, Bay Hydro II surveyed in Hampton Roads, Virginia, after Hurricane Irene, helping to speed the resumption of port activities.

Before echo sounding technology existed, surveyors used ropes and lead weights to survey bodies of water. Technology has come a long way and continues to move forward. NOAA uses Bay Hydro II as a platform to test new and emerging hydrographic survey technologies, such as the Autonomous Underwater Vehicle, a torpedo-shaped robot programmed to guide itself through the water and collect sea floor data. The data collected on the vessel is not only used to update nautical charts, but is also used by coastal managers, biologists, planners and policymakers to better understand the Chesapeake Bay and inform many of their decisions.

Specifications

US Flag
Flag: USA
Home port: Solomons, Maryland
Class: hydrographic research vessel
Built: 2008
Length: 57’
Draft: 5’ 6″
Beam: 21’
Freeboard: 3’ 6″
Tons: 46
Service speed: 25 knots
Maximum speed: 31.5 knots
Working crew: 3

Learn More…

Meet Bay Hydro II
Video: Bay Hydro II Dedication – April 15, 2009
Seeing the Sea Floor

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