Specifications
| 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 for routine maintenance in a shipyard in the Bahamas. (Photo by Robert Elder, Woods Hole Oceanographic Institution)