Under Ice Search Uses Multiple Micro-ROVs - VideoRays Used in Unique Shallow-water Search
VideoRay announced today at Underwater Intervention the details of an unprecedented search using multiple VideoRay micro-ROVs in extreme conditions.
New Orleans, LA (PRWEB) February 15, 2005 -- VideoRay announced today at
Underwater Intervention the details of an unprecedented search using multiple
VideoRay micro-ROVs in extreme conditions. The 3-day search took place from
January 9th through the 11th on the frozen St. Lois River in Duluth,
Minnesota.
Jim King the owner of Spirit Lake Marina off the St. Louis
River fell out of his rear-tiller motorboat while marking the location of buoys
on October 25, 2004. Since the accident there has been an ongoing search with no
successful results largely because of large area and lack of witnesses who could
identify a ‘point last seen’. Since the accident the St. Louis County Sheriffs
office has logged more than 3000 hours of search time.
The latest effort
to recover Mr. King’s body came in January when the St. Louis County Sheriffs
office organized a massive rather unique search. The search occurred on the St.
Louis River which was frozen over more than 15 inches. Eight VideoRay micro-ROVs
were used for the search. The Sheriffs office developed a search grid covering a
square half mile area.
We began the mission with meticulous planning and
equipment testing stated Robin McCauley 1st Lieutenant St. Louis County
Volunteer Rescue Squad. VideoRays, generators, tents, heaters, and other
equipment required were pulled out onto the ice by snowmobiles and all terrain
vehicles. Holes in the ice were cut with an “ice saw” – a standard Stihl chain
saw with environmentally friendly lubricant..
Six identical micro-ROVs
were operated simultaneously from portable ice houses on the frozen river. Each
VideoRay was equipped with a Desert Star Pilot positioning system to track the
ROVs and transmit the data wirelessly to the command center about a half mile
from the tracking station.
“As far as we know, this is the first time in
the world anyone has had this many ROVs (Remotely Operated Vehicles) together to
search for a body,” commented Tom Crossmon of the St. Louis County Rescue Squad.
Crossmon also said the worldwide ROV community is small; when they e-mailed
members looking for advice, no one said they had encountered such a large
recovery operation.
In addition to the rescue squad, Mark Gleason of
Michigan Technical University participated with his VideoRay Pro III unit, the
local US Coast Guard Duluth Station, and Douglas County, and Lake County sent
several people to assist. VideoRay sent Scott Bentley, President, and Marcus
Kolb, Director of Research and Development. VideoRay donated the use of six
VideoRay Pro units, and used the operation to conduct research into the use of
micro-ROVs for a large scale, shallow water, under ice search.
“The
result of the search was better than expected – we were able to search a large
section of the river. We did not find the body – but we know far better where it
is not located. We also learned that sonar was a critical tool in this kind of
search due to the severely restricted visibility of the water. We recommend that
VideoRay owners use the new “performance tether” when operating in this kind of
high current environment, since it has much less drag, and with multiple holes
and shallow water we did not need to use very long sections of tether. Finally,
the positioning system was key to making sure that the areas searched were the
areas we expected” stated McCauley.
For comments, contact:
David
Phillips
Undersheriff St. Louis County Sheriff's Office
Duluth, MN
PH:
218-726-2339
e-mail: e-mail protected from spam bots
For pictures and
videos online, visit http://www.videoray.com/Press_Room/press_release.htm
Contact
VideoRay Public Relations:
Chris Gibson
ph: 610-458-3000
e-mail
protected from spam bots
Contact VideoRay LLC
400 Eagleview Blvd.
Exton, PA 19341 USA
Phone: (610) 458-3000
FAX: (610) 458-3010
www.videoray.com
All brands and product names are
trademarks of their respective owners.
# # #
Source : http://www.prweb.com/releases/2005/2/prweb208464.htm