Research vessel

More Information

About the Research vessel

Used by staff and students for a range of fieldwork and research, R.V. Callista, is a 19.75m catamaran designed and equipped for a range of coastal and shelf research.

It's based at National Oceanography Centre (NOCS) and is available to staff and students in the School of Ocean and Earth Science.

The purpose-built boat is designed to carry out a variety of work including:

  • deployment of scientific equipment
  • collection of biological, chemical and sediment samples
  • surveying
  • diving operations
  • geophysics
  • educational visits by external groups including schools, colleges and universities


Technical specification

Length: 19.75m
Beam: 7.40m
Freeboard: 1.70m
Draught: 1.80m
Max speed: 14 knots
Cruising speed: 10 to 12 knots
Range: 400nm



UK Class IV Passenger Vessel-max 36 passengers
Workboat Category 2, 60mls from safe haven-max 12 passengers


  • Stern A Frame & Winch – 4 tonne, 3.5m max height, 150m cable (3 tonne)
  • Side davit – 200kg
  • Capstan – 1.5 tonne
  • Knuckle boom crane – 1.13 tonne @3.5m, 780kg @ 5.3m
  • 4.5m RIB with outboard motor
  • 1m x 1m grid equipment bolt down fittings on rear deck
  • Hydraulic platform (starboard side) – 150kg
  • Fold down platform, transom to port side
  • Moonpool with catch tank and sieve
  • Diving facilities – kit bench, rear deck washdown shower



  • 240 V AC throughout (rear deck 16A & 32A sockets)
  • 415V, 32A 3 phase (rear deck socket x1)

Ship equipment


  • Combined DGPS receiver/chart plotter/RADAR/echo sounder with 38/200kHz transducer
  • Ultrasonic log
  • Heading sensor
  • Autopilot, with bow thruster interface
  • DSC VHF class D x 2
  • GMDSS handheld VHF x 2
  • Wind sensor
  • Data repeaters in wet and dry labs to display position, water depth, wind
  • Magnetic compass
  • Transas miniECDIS navigation system
  • CCTV

Scientific equipment


  • Hull mounted RDI Workhorse ACDP, 600kHz
  • Seabird SBE19V2 plus CTD with additional instruments to measure PAR, turbidity, chlorophyll,
  • light transmittance and SBE32 water sampling Carousel
  • Minibat M-FC-60 equipped with AML CTD with dissolved oxygen, PAR, turbidity, chlorophyll
  • Aanderaa SooGuard surface water flow through system with dissolved oxygen, conductivity,
  • hull temp and chlorophyll sensors
  • Meterological and motion sensors:
  • Sonic anenometer, psychrometer, solarimeter, LW radiation, PAR, optical rain gauge, pitch and roll