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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 ]
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]
The following is a list of notable deaths in April 1994.. Entries for each day are listed alphabetically by surname. A typical entry lists information in the following sequence:
Character went missing and later killed off-screen without specifying her cause of death. Mark Speight: Presenter SMart: 173 2008-04-07 Suicide by hanging: 14 A special tribute to Mark Speight was broadcast. Along with the final two series' new format, guest presenters appear each week to assist the two presenters, Kirsten O'Brien and Mike ...
Sheck Exley died in 1994 at 268 m (879 ft) in an attempt to reach the bottom of Zacatón in a dive that would have extended his own world record (at the time) for deep diving. [ 44 ] Dave Shaw died in 2005 in an attempt at the deepest ever body recovery and deepest ever dive on a rebreather at 270 m (886 ft).
The Johnson Sea Link was the successor to Edwin Link's previous submersible, Deep Diver, the first small submersible designed for lockout diving.In 1968 the Bureau of Ships determined that Deep Diver was unsafe for use at great depths or in extremely cold temperatures because of the substitution of the wrong kind of steel, which became brittle in cold water, in some parts of the submersible. [6]
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Frederick Exley (1929–1992), American writer; Peter Exley (born 1964), British architect working in the United States; Sharon Exley, designer, architectural partner of Peter; Sheck Exley (1949–1994), American cave diver; Thea Exley (1923–2007), Australian archivist and art historian; Thomas Exley (1775–1855), English mathematician