Sikuliaq specifications

Owner: Natl. Science Foundation, Arlington, Va.
Operator: University of Alaska
Fairbanks School of Fisheries and Ocean Sciences, Seward, Alaska
Designer: Glosten Associates, Seattle
Builder: Marinette Marine, Marinette, Wisc.
Dimensions: L 616’ B 105’, design draft 36’
Mission: Ice-class oceanographic survey vessel
Crew size: 20 + 2 marine technicians + 26 scientists

Steel monohull/partial steel superstructure (top 3 decks aluminum)
Reamers, ice wedge and bow shape with shallow butts for ice

Max. speed: 14.2 knots; 11 knots cruise
Ice capability at 2 knots: 3 feet
Endurance: 45 days

Fuel: 185,449 gallons
Water: 12,814 gallons
Seawater ballast: 171,134 gallons
Aft deck working area approx. 4,000 sq. ft.; Baltic room work area approx. 650 sq. ft.

Diesel-elec. propulsion, AC/AC; steerable-propulsion Wärtsilä 3,000-hp stern thrusters
(2) MTU 16V-4000 diesels, 690V, 1,800 kW each, and (2) MTU 12V-4000 diesels, 690V, 1,310 kW each (total output, all four diesels: 6,220 kW/8,341 hp)
(2) Siemens propulsion motors with pulse width modulation frequency converter generating 6,002 hp total
(2) Wärtsilä Icepod 2500 azimuthing-drive propulsion thrusters
MTU 6062HK59 emergency genset, 480V, 335 kW
Bow thruster: Tees White Gill T3-QR, 686 kW/920 hp, with Siemens motor

Marine Technologies integrated bridge system, Bridge Mate DP-1
HF/VHF radios
AIS; Weather Fax; NAVTEX; RDF; GPS
S- and X-band radars
Ext. communications: Mackay. Satcom: CommSystems

Heave-compensating winch system with boom through side-shell Baltic door
Rapp Hydema ocean winch with (2) storage reels and 12,000 meters of trawl wire
Hydro winch; CTD winch
Stern A-frame, 20’ horizontal. clearance/25’ vertical, 30,000-lb dynamic load; C.S. Controls
Sonar suite: drop-keel mounted fisheries sonar, echo sounders, current profilers, mid-depth/deepwater mapping
Transducers: Kongs-berg, Airmar, Teledyne, Simrad
(2) Appleton Marine KEB 190-50-30 knuckle extension-boom cranes, 35,437 lbs at 25’
Coastal Marine Equip. anchor windlass

Accommodations: crew, 16 single staterooms, 2 double; double staterooms for scientists
Hyde Marine HG 100-6 ballast water treatment
Siemens fire detection with Ansul CO2 system and Hiller Systems Water Mist System
Noise consultant: J&A Enterprises
Imeco/Carrier HVAC
Joinery: Jamestown Metal Marine Sales
(2) Willard Marine rescue boats with Allied System davits
Lee Shore Boats 22-foot workboat
ACT2 Technologies MSD; Evac sewage collection systems

USCG Subchapter U; ABS (requested): +A1, Ice Class PC5, Circle E, +AMS, +ACCU, +DPS-1; SOLAS

By Professional Mariner Staff