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