First manned underwater habitat
Last updated: September 29, 2017 at 1:21 am
1962 – Man-in-the-Sea I project by Edwin A. Link. Robert Sténuit spent 24 hours and 15 minutes in a submersible decompression chamber (SDC) at a depth of 61 m (200 ft) on September 6, 1962. Sténuit’s record immersion off Villefranche-sur-Mer (France) also included several dives outside of the habitat. In 1964 Sténuit and Jon Lindbergh spent 49 hours at a depth of 126 meters during Man-in-the-Sea II. The breathing gas for both projects was heliox (97% helium, 3% oxygen).
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Jeffrey Gallant is the Editor-in-Chief and Records Keeper of the Diving Almanac. He is also a contributing editor of DIVER Magazine, and the scientific director of the Greenland Shark and Elasmobranch Education and Research Group (GEERG). Jeffrey started diving in 1982.