North Carolina Museum of Natural Sciences Life on the Edge: Exploring Deep Ocean Habitats - NC Museum of Natural Sciences
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Q: How big is the boat? The sub?

The Sub A: The R/V Seward Johnson is a 204 foot Oceanographic and submersible-Support research Vessel owned by Harbor-Branch Oceanographic Institution. It can house 40 people including the crew and it has precision navigation and positioning systems. It can achieve a speed of 13 knots. The Johnson-Sea-Link is a 4 person submersible. There is a five inch thick acrylic sphere on the two-person front chamber which provides panoramic visibility. The two-person after observation chamber has a video monitor and side ports. The Johnson-Sea-Link has manipulator arms, suction devices and rotary plankton samplers as well as high quality video cameras.

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