Marine Operations

The R/V Arabella is a 48 ft (14.6 meter) fiberglass research vessel, built in 1996 by Duffy & Duffy Custom Yachts, Brooklin, Maine. The R/V Arabella was designed as a near shore (up to 50 miles) platform capable of a wide range of scientific needs such as trawling, grab sampling, diving, seismic profiling, coring, etc.

LOA: 48'
LWL: 44.5'
Max beam: 17.6'
Working deck: 20' x 15'
Open transom: 13'
Draft: 5'
Displacement:40,000 lbs
Fuel:750 gal
Cruising speed:15 kts
Max speed:19 kts
Fuel consumption:15 gph (cruising speed)

ARABELLA is powered by a single DETROIT 12V71TA, diesel engine turning a 38x34, 5 blade wheel. The gear is a TWINDISC, 514, equipped with Trolling valve for 1 to 2 knot operation. The vessel has an extensive hydraulic system to supply power for A-Frame, single drum deck winch, vertical capstan, bow thruster, and anchor windlass. A-Frame lifting capacity is approximately 2500lbs and can handle dimensions of 10 ft high, with a foot print of approximately 8 ft. ARABELLA has a mast and boom capable of over-the-side operations (boom lifting capacity is 1000 lbs). AC electric is supplied by a single 12.5 Kw 3-phase, 208/110 v, 50 amp NORTHERN LIGHTS M843 generator. ARABELLA is equipped with a Marine Air reverse cycle heating and air conditioning system. ARABELLA also has a 17 CFM ROL-AIR air compressor for supporting surface supplied diving operations.

Electronics consist of the following:
  • 1 Lieca MX300/MX52R DGPS
  • 1 Northstar 800x Loran-C
  • 1 Furuno 36 mile Radar
  • 1 Datamarine Link System
  • 2 Raytheon, Ray 202, VHF Marine Radios
  • 2 Datamarine Digital Depth Sounders
  • 1 Sytex, Amber Depth Sounder
  • 1 Cellular Telephone (609 290-0010)
  • Deck winch is equipped with a 4-conductor slipring and 900 ft electro-mechanical wire capacity. R/V ARABELLA cond.

    Safety Equipment
  • 1 Switlik liferaft-10 person, USCG/SOLAS w/A-pack
  • 6 Cold water immersion suits, STEARNS, USCG #1590, Adult
    (Additional cold water immersion suits available as needed.)
  • 10 Life jackets, STEARNS USCG, Type 1 Adult
  • 1 30 inch USCG orange life ring w/reflector tape
  • 1 ACR 406 SATELLITE E.P.I.R.B.
  • 2 10 lb. CO2 fire extinguishers
  • 1 2.5 lb DRYCHEMICAL fire extinguisher
  • 1 FE243 (Haylon replacement) FireBoy USCG automatic fire extinguisher system
  • 1 Offshore Flare kit, USCG/SOLAS