Specifications and Drawings



Ship Drawing 2


Call Sign


Document Number


Class/Type Construction

USCG Subchapter T, Aluminum

Home Port

Portsmouth, NH


Licensed Captain and Mate


39 (day trips), 7 (overnight)



Fresh Water

325 gallons

Heating System

Proheat X45 Diesel fired forced hot water system. Low emissions design


Approximately 3 days (usually day trips up to 12 hours)


Roger Long Marine Architecture, Inc.


Gladding-Hearn Shipbuilding, Somerset, Mass.

Launch date

August 10, 1993





50 ft.


16 ft.


5 ft.

Minimum Clearance

19 ft. with mast and antennas lowered


25 tons


1100 gallons diesel

Cruising Speed

18 knots

Maximum Speed

22 knots

Minimum Speed

1.5 knots

Working Deck Space

Fantail, 240 sq. ft., with bolt pattern for temporary add-ons and quick disconnect outlets for hydraulics as well as 120 and 220 VAC


Approximately 6' x 8' below deck, with deep sink, running sea water, bench, window to work deck, cable runs, unistruts.  Additional space can be used in the pilot house and forecastle adjacent to the lab.


Spacious, with fresh water shower and wet suit racks


U-frame, Davits

Transom-mounted 6000 pound static load capacity hydraulic U-frame; two 750-lb. capacity davits on foredeck

Winches Trawl/Coring Winch

Hawboldt Model HSF0820A hydraulic powered. 2000 lbs pulling capacity. 600+ meters of 1/4" plazma braid (SWL 6000 lbs.) installed on drum.

Oceanographic "Data" Winch

SeaMac Model 305H hydraulic powered. 1500 pulling capacity (winch can be removed from deck). 190 meters of .55 stainless armored wire with 5 ohm, 2 conductor coax. Inquire in advance for winch availability.

Dedicated CTD Winch

Hawboldt Model SPR-1024/S hydraulic ocean science winch. Max line pull (bare drum); 1,600 lbs. @ 60 ft./min., Max pulling capacity with drum full: 1,200 lbs @ 80 ft./min with installed 400m of 0.322" cable, Moog-Focal Model 180 electrical slip ring with 4 passes and Subconn connectors. Local and remote wire in/out control.


Auxiliary Generator

Caterpillar C1.5 , 13.5 KW single phase at 1800 RPM, EPA tier 3 compliant

Electric Power

12 and 24 VDC, 110/220 VAC

Main Propulsion

Twin Caterpillar C-12 ACERT Compact. 660 BHP each at 2300 RPM. EPA Tier 2 compliant 

Marine Gears

ZF 360 A


Utility Vessels/Tenders

14' inflatable with 15-HP Yamaha 4-Stroke


Standard Horizon Load Hailer

Standard VLH 300A Hailer; Standard 240 Hailer Horns, one aft one forward; MLS 300i Intercom Speaker in cabin

Standard Horizon VHF Radios

Explorer GX1600; Quantum GX5500S; HX300 Handheld (2)

Raytheon SSB

Ray 152 Marine Radiotelephone
Simrad Autopilot AP 44 Control Head; NAC 3 HC System Pack; RPU 300 Pump
Garmin Network

7616 Display: Radar, Chart (with radar overlay) sonar, side scan capable
7612xvs Display: Radar, Chart (with radar overlay) sonar, side scan capable
7610xvs Display: Radar, Chart (with radar overlay) sonar, camera imagery
GMI-20 Repeater Displays (3) Pilot House, Winch Station and Lab
GC-10 Deck Camera
Speco IR Engine Room Camera
GT51M-THP Transducer, port and starboard arrays
Phantom 4 Open Array Radar
GMR 24 XHD Radome
GPS output, RS 232 in lab and pilothouse

AIS Voyager X3 Class A Transciever; Garmin AIS 300 Class B (receive only)
Pilothouse PC with Navigation MAP Tech Professional

Weather Station

Airmar PB150, displayed on Furuno RD-30, Values measured.  Wind speed and direction (true & apparent), barometric pressure, air temperature and Attitude (pitch, roll)


Ground Tackle

200-lb. Baldt Navy anchor, 85-lb. Fortress anchor, folding kedge anchor, Ideal anchor windlass with wildcat and winch head


U.S. Coast Guard Inspected

Passenger vessel standards, Ocean route


Category 1

Fire Fighting Equipment

Deck hose, portable extinguishers, fixed CO2 system in engine room


USCG first aid requirements plus Phillips Portable Defibrillator (AED) unit, DAN medical oxygen kit.


Stability in excess of Coast Guard requirements, ice-strengthened bow, double bottom between stringers, four watertight compartments, 1 compartment floodable


Life ring with light and line attached, 45 adult and 5 children's life jackets with lights and whistles, 50-person inflatable rescue platform, flares



Furuno GP-37 Differential/WAAS

Gravity Corer

Core liner 2 5/8"(ID) x 4' 11" long


Gravity Corer


 Water Sampler/CTD Sea-Bird SBE55 ECO water sampler with 6 4-liter sample bottles, SBE 25 CTD, Integrated Benthos PSA 915 Altimeter and Biospherical QCR-2200 PAR sensor. Bottle firing and data is viewed in live time.  
water sampler


Dedicated CTD Winch

Hawboldt SPR-1024/S A portable hydraulic winch that is paired with the SBE55 sampler.

Dedicated CTD Winch


Well/Moon Pool Gear

Accepts ADCP/Single Beam Equipment inquire for ADCP availability