What is the definition of actual dive time?

Ready for the IANTD Open Water Diver Exam? Study with flashcards and multiple-choice questions. Each question offers hints and explanations. Dive deeper into your learning and prepare for exam success with confidence!

The definition of actual dive time is the total time spent underwater. This is the period during which a diver is submerged below the surface of the water, starting from the moment they begin their descent until they begin their ascent again to the surface. This time is crucial for calculating exposure to pressure, determining nitrogen absorption, and managing overall dive profiles to ensure diver safety.

When planning dives, divers monitor how long they remain underwater because this duration affects their decompression requirements and safety stops. Understanding and accurately measuring actual dive time is essential for safe and effective diving practices.

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