Skip to content
For WHOI personnel, vendors, and visitors: COVID-19 Guidelines


Built: 1997
Length: 274 feet
Draft: 19 feet (5.8 m)
Displacement: 3,510 LT
Range: 17,280 NM
Laboratories: 3,517 sq. feet
Speeds: 11.0 knots cruising
Alvin Conversion: 1997
Beam: 52.5 feet
Gross Tons: 3,200 T
Endurance: 60 days
Fuel Capacity: 267,540 gallons
Propulsion: Diesel-electric, azimuthing stern thrusters
Bow Thruster: Deployable azimuthing thruster/retracted tunnel thruster 825 Kw
Ship Service Generators: Two 2100 kW 600 VAC, Two 940 kW 600 VAC
Portable Van Space: At least six 20 ft. vans
Winches: Traction - 30,000' .681" FO or 9/16" wire
Hydro - 33,000' 3-cond. EM or 1/4" wire
Heavy Equipment: Cranes - two @ 42,000 lbs. cap.
HIAB cranes (2)
Midships hydro boom
Sewage System: Envirovac flushing system
Ownership: Title held by U.S. Navy; operated under charter agreement with Office of Naval Research
Other Features: Dynamic positioning system, ROV and submersible hangars, fully equipped machine shop, two rigid-hull inflatable rescue/work boats
Berths: Crew - 22
Science Party Berths without Alvin = 34
Science Party Berths during Covid = 32 (with isolation cabin)
Science Party Berths with Alvin = 24
Science Party Berths with Alvin during Covid = 22 (with isolation cabin)
Offering a rare look at its form below the water line, Research Vessel Atlantis perches on blocks in early summer 2021 at Dakota Creek Industries. (Photo by Robert Elder, Woods Hole Oceanographic Institution)