Our 46′ Survey Vessel R/V Galatea is the newest addition to Semper Diving and Marine’s offshore capabilities. Originally a research vessel for the New England Aquarium, Galatea has undergone extensive upgrades over the past year to accommodate for surveying, diving, and robotics work. She is equipped with spacious available lab space, heavy-duty hydraulic A-frame and winch, ample deck space, sub-meter resolution survey quality GPS, and more. Click below for Galatea’s complete informational brochure.​

New Renovations to the Galatea were completed in the Fall of 2017 and includes:

  • Complete Hydraulics and Fuel System Overhaul
  • Custom Instrument Arch with Space for additional equipment
  • Extended Heated Wheelhouse
  • Renovated Deck space with New Rails and Anti-Skid Matting
  • 360 View from Wheelhouse
  • Renovated Soundproofing and Muffler System
  • New Electronics and Navigation Systems

Galatea Specifications:

​Ship Specifications

  • LOA: 46.0 feet​
  • Beam: 15.2 feet​
  • Draft: 7.4 feet​
  • Speed: 15 knots max, 11 knots cruise​
  • Fuel Capacity: 600 gallons​
  • Deck Space: 240 sq. feet​
  • Lab Space: 45 sq. feet​

​Machinery and Winches

  • 538 HP Deutz Diesel Engine
  • Northern Lights 12 kW Diesel Generator​
  • 1-ton Hydraulic A-Frame​
  • 1-ton Hydraulic Winch​
  • Vertus 24V Bow Thruster​

​Electrical Equipment

  • 120 VAC and 240 VAC outlets
  • 12 VDC and 24 VDC Optional Transformers​
  • 3 kW Pure Sine-Wave Inverter with 120 & 240 VAC Output​
  • LED Lighted Deck and Cabin


  • Dual Raymarine eS 12” Display Units
  • Raymarine 24HD RadarDome​
  • Hemisphere A101 Survey Quality DGPS
  • Raymarine 40-60 kHz Transducer
  • 3 VHF Marine Radios​
  • Raymarine AIS650 Class B AIS

​Safety Equipment

  • 8 USCG Compliant Lifevests
  • Fully Stocked First-Aid Kit​
  • Throwable USCG Approved Type IV Life Ring
  • 6 Man Emergency Life Raft​
  • 6 Viking Universal Survival Suits​