Deepest dive on scuba [Ocean | Men]
Last updated: June 12, 2018 at 4:28 am
332.35 m (1,090 ft) — Ahmed Gabr (Egypt), Dahab, Egypt, September 18, 2014. Time to descend to 335 m (1,100 ft) was 14 minutes but the actual depth was adjusted to 332.35 m (1,090 ft) due to a bend in the line caused by current. Time to ascend was 13 hours 36 minutes, including 7 hours from 27 m (89 ft) to the surface, for a total duration of 13 hours 50 minutes. The planned depth was actually 350 m (1,148 ft) but Gabr stopped at 335 m due to the effects of high-pressure nervous syndrome (HPNS). The dive began at 10:30 am on September 18, 2014, and ended at 12:20 am on September 19. It required 151 tanks filled with various breathing gases including air and different mixes of nitrogen, oxygen and helium (Trimix), of which 92 were for Gabr. His international support team of 14 divers based at H2O Divers Dahab — who trained on depth and logistics for nine months — carried Gabr’s gases for each stage of his decompression stops.
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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.