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Commissioned April 28, 2000

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Vessel Owner: United States Geological Survey
Vessel Builder: Patti Shipyard, Inc., Pensacola, FL
Project Management Team: USGS Great Lakes Science Center, Ann Arbor, MI in partnership with USACE Marine Design Center, Philadelphia, PA
Vessel Operation Team: USGS Lake Superior Biological Station, Ashland, WI

Vessel Particulars
Length Overall: 107'
Breadth: 27'
Hull Depth: 12'
Load Line Draft: 9'-0"
Gross Tonnage: 290
Displacement: 232 Ltons
Max Speed: 11 Knots
Fuel Capacity: 9,600 Gal.
Endurance @ Max. Capacity: 10 Days
Accommodations: 3 Crew, 6 Researchers
Year Built: 1999
Contract Cost: $3,299,343.63
Vessel Certification: American Bureau of Shipping (ABS) Class @ A1 Great Lakes Service; @ AMS
USCG and UNOLS Compliant

Machinery, Equipment, and Special Features
Main Engines: (2) Cummins KTA-19M3 - 640 HP Each
Reduction Gears: (2) ZF BW191-1 Final Ratio 4.967:1
Generators: (2) Cummins 6BT5.9GM - 99 kW Each
Bow Thruster: Wesmar DPC50 - 50 HP Electric
Steering and Engine Controls: Kobelt w/Remote Tethers
A-Frame: 18,000# Static / 2,000# Deployable @ 5 ft.
Deck Crane: Alaska Marine: 2,000# @ 30 ft. Reach
Trawl Winches: Kolstrand Variable Speed w/Remote Tethers
Net Reel: Kolstrand Dual Drum Vertical Stack
Gill Net Lifter: Crossley 30" Deep Water Lifter
Transducer Windows: BF Goodrich ASW Compound
Sonar Tubes: (2) 12" Diameter