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Sheck Exley (April 1, 1949 – April 6, 1994) was an American cave diver. He is widely regarded as one of the pioneers of cave diving, [ 1 ] [ 2 ] and he wrote two major books on the subject: Basic Cave Diving: A Blueprint for Survival [ 3 ] and Caverns Measureless to Man . [ 4 ]
Basic Cave Diving: A Blueprint for Survival, also commonly referred to by the subtitle alone, A Blueprint for Survival, is a short book on safe scuba diving procedures for cave diving by pioneer cave diver Sheck Exley, originally published in 1979, by the Cave Diving Section of the National Speleological Society. It is considered to have had a ...
On February 6, 1974, a pioneering cave diver named Sheck Exley became the first chairman of the Cave Diving Section of the National Speleological Society. [ 4 ] [ 3 ] The new section began with 21 members in 10 different states.
Wakulla Springs is a first magnitude spring and major exposure point for the Floridan Aquifer that forms the Wakulla River.Located 14 miles (23 km) south of Tallahassee, Florida and 5 miles (8.0 km) east of Crawfordville in Wakulla County, Florida at the crossroads of State Road 61 and State Road 267, it is protected in the Edward Ball Wakulla Springs State Park.
In the United States, Sheck Exley was a pioneering cave diver who first explored many underwater cave systems in Florida, and many throughout the US and the world. On 6 February 1974, Exley became the first chairman of the Cave Diving Section of the National Speleological Society. [55]
On April 6, 1994, explorer diver Jim Bowden and cave diving pioneer Sheck Exley entered El Zacatón with the intent of reaching bottom. Bowden dived to a men's world record depth of 282 m (925 ft), [7] but Exley died, probably from high-pressure nervous syndrome (HPNS) at a depth of 268 to 276 m (879 to 906 ft). [8] [9]
Sheck Exley, who was acting as another safety diver at 300 feet, inadvertently managed to set the depth record when he descended towards Forfar and Gunderson, who were both still alive at the 480-foot level, although completely incapacitated by narcosis. Exley was forced to give up his attempt at around 142 m (465 ft) when the narcosis very ...
Sheck Exley, Exley on Mix, aquaCorps #4, Jan 1992 [8] The urge to go where no one has gone before has always been a driving force for explorers, and the 1980s was a time of intense exploration by the cave-diving community, some of whom were doing relatively long air dives in the 60–125 m depth range, and doing decompression on oxygen.