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AI.II.O.R2FAA-S-ACS-25 · Nov 2023Risk management

Malfunction of pressurization system, if equipment is installed.

ACS element text (the applicant demonstrates understanding of)

Malfunction of pressurization system, if equipment is installed.

Bottom line

Careful monitoring of pressurization levels is essential during the descent to avoid the onset of hypoxia from a slow decompression.

FAA references

  1. PHAK ch. 7 (p. 7-37) — FAA-H-8083-25C (2023)
  2. AC 61-107, para. 2-11 — AC No: 61-107B
  3. AC 61-107, para. 2-7 — AC No: 61-107B
  4. AC 61-107, para. 2-12 — AC No: 61-107B
  5. AIM 8-1-3 (Hyperventilation in Flight) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  6. PHAK ch. 7 (p. 7-36) — FAA-H-8083-25C (2023)
  7. PHAK ch. 7 (p. 7-35) — FAA-H-8083-25C (2023)
  8. AIH ch. 1 (p. 1-25) — FAA-H-8083-9B
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