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EP6: Safe Diving Distances from Transmitting Sonar
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In this episode of Into the Abyss: The Navy Diver's Guide, we examine the critical safety protocols for diving near active sonar systems. Learn about permissible exposure limits (PELs) based on sonar type, diver equipment (wetsuit, hooded, or helmeted), and distance from the source. We’ll break down how sound pressure levels (SPLs) and duty cycles impact diver safety, using official Navy worksheets and PEL tables. Plus, we’ll explore considerations for low-frequency and ultrasonic sonar, and the importance of coordination between dive teams and sonar operators to prevent hazardous exposure.
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