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PA.I.H.K1lFAA-S-ACS-6C · November 2023Knowledge

Dissolved nitrogen after scuba dives

ACS element text (the applicant demonstrates understanding of)

Symptoms, recognition, causes, effects, and corrective actions associated with aeromedical and physiological issues, including: l. Dissolved nitrogen in the bloodstream after scuba dives

Bottom line

Reduced pressure during flight can increase decompression-sickness risk after scuba diving.

FAA references

  1. AIM 8-1-2: Scuba diving — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
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