Oceanic DATA PLUS, Owner'S Manual

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DataPlus
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Both the UHMS and DAN agree that “There can never be a flying after diving
rule that is guaranteed to prevent decompression sickness completely. Rather,
there can be a guideline that represents the best estimate for a conservative . . .
surface interval for the vast majority of divers. There will always be an occa-
sional diver whose physiological makeup or special diving circumstances will
result in the bends”.
To reduce the risk of developing decompression sickness after a single no decom-
pression dive, current guidelines suggest waiting 12 hours prior to exposure to
atmospheric pressures equivalent to 1000 feet (330 meters) above sea level, or
greater. When repetitive dives are conducted during the same day, or period of
days, it is suggested that the interval be increased to a minimum of 24 hours.
Note that land travel to higher elevations after diving must also be considered as
an exposure to altitude.
MORE ABOUT ALTITUDE DIVING
WARNING: Diving at high altitude requires special knowledge
of the variations imposed upon divers, their activities, and their
equipment by the decrease in atmospheric pressures. Oceanic
recommends completion of a specialized Altitude training course
by a recognized training agency prior to diving in high altitude
lakes or rivers.
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