GLOBAL SEAS | Mt. Mitchell
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Mt. Mitchell


231 Ft Hydrographic Research Ship
The R/V Mt. Mitchell is a USCG inspected hydrographic research vessel managed by Global Seas. First commissioned as a survey ship for NOAA in 1967, the vessel was purchased in 2001 by Mt. Mitchell LLC and completely refurbished with the latest in electronics, machinery, and safety equipment. The vessel arrived in Seattle in 2003 to begin her career as the only privately owned west coast research vessel with the ability to map the ocean down to 11,000 meters. The Mt. Mitchell is an ideal vessel for most types of oceanographic research operations including, but not limited to: oceanographic mapping, sub bottom surveys, geophysical research, cable route surveys, shallow and deep water AUV operations, and pipeline surveys.

State-of-the-Art Full Ocean Mapping Capability
The Mt. Mitchell is outfitted with today’s most advanced underwater mapping equipment and maps at speed between 7 and 8 knots.  To ensure clean data and reliable performance, the transducers are installed in a gondola to keep them in clean water flow and free from turbulence in all workable sea state conditions. The vessel is also equipped with stabilization tanks and anti-roll chocks to eliminate much of the vessel’s natural roll making it an ideal platform for surveying.

Kongsberg EM 120
2×2 degree multibeam echo sounder
12 kHz operating frequency
Depth range to 11,000 meters
Coverage area of a single swath can be up to 25 KM
Premium choice to achieve efficient mapping of large oceans

Kongsberg EM 710 Full Performance
2×2 degree multibeam echo sounder
70 – 100 kHz operating frequency
Water column and bathymetry
Depth range from less than 3 meters to approximately 2,000 meters
Swath width up to 5.5 times the water depth

Ship Details and Additional Research Equipment
Ice-strengthened hull
545 sq ft. computer lab
Comfortable accommodations for 49 client personnel
10 Ton A-Frame
3,000 sq. ft of combined deck space
Bird-Johnson controllable Pitch three blade propellers.


Home Port: Ketchikan, AK
Hull Type: Steel
Year Built: Vessel Built in 1967 (Complete Refit 2003)
Vessel Length: 231 feet
Draft:  17.5 ft with transducer gondola
Beam: 42 feet
Fuel Capacity: 105,000 USG
Cruising Speed: 10.5 – 12.5 Knots
Range: 10,925 miles
Endurance: 45 days @ cruising speed

Contact Global Seas

The Admiral's House
2500 West Marina Place
Seattle, Washington 98199
Phone: 206.770.7801