First mixed gas dives under polar ice

Last updated: February 10, 2019 at 19:09 pm

Doug Elsey (Canada) — Arctic IV Expedition led by Dr. Joe MacInnis in Resolute Bay, Nunavut (Canada), in May 1974. Elsey descended to 67 m (220 ft) breathing oxy-helium under the supervision of Dr. Phil Nuytten. Ice thickness was over 2 m (6.5 ft). The same expedition also resulted in the first saturation dive under polar ice.

Arctic IV | National Film Board of Canada
Jim English | Hydrolab

Watch Arctic IV documentary | National Film Board of Canada (1975)

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