Deepest cave dive on air [Men]

Last updated: June 27, 2018 at 21:06 pm

127 m (415 ft)Hal Watts did the dive during a dual body recovery at Mystery Sink, Florida, in 1970. The sinkhole, which is located in a residential area of Orlando, is also known as Emerald Springs and Emerald Sink.

Bret Gilliam, ‎Robert Von Maier, ‎Darren Webb. (1995). Deep Diving: An Advanced Guide to Physiology, Procedures and Systems.

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