CA.VIII.A — Supplemental Oxygen

What does ACS code CA.VIII.A cover?

ACS Code CA.VIII.A covers "Supplemental Oxygen" under Area of Operation VIII (High-Altitude Operations) for the FAA Commercial Pilot Airplane certificate (FAA-S-ACS-7B). Candidates are tested on knowledge elements and risk management factors defined in 14 CFR regulations and FAA handbooks (PHAK / AFH).

Task Specification & Required References

• ACS Document: FAA-S-ACS-7B (Commercial Pilot Airplane)
• Area of Operation: Area VIII — High-Altitude Operations
• Task: Task A — Supplemental Oxygen
• Primary FAA Sources: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25), Airplane Flying Handbook (FAA-H-8083-3) / Helicopter Flying Handbook (FAA-H-8083-21), Aviation Weather Handbook (FAA-H-8083-28), 14 CFR Parts 61, 91 & 107, Aeronautical Information Manual (AIM).

Airman Certification Standards Elements

Knowledge Elements

• CA.VIII.A.K1: Regulatory requirements for supplemental oxygen use by flight crew and passengers.
• CA.VIII.A.K2: Physiological factors, including:
• CA.VIII.A.K2a: a. Impairment
• CA.VIII.A.K2b: b. Symptoms of hypoxia
• CA.VIII.A.K2c: c. Time of useful consciousness (TUC)
• CA.VIII.A.K3: Operational factors, including:
• CA.VIII.A.K3a: a. Characteristics, limitations, and applicability of continuous flow, demand, and pressure- demand oxygen systems
• CA.VIII.A.K3b: b. Differences between and identification of “aviator’s breathing oxygen” and other types of oxygen
• CA.VIII.A.K3c: c. Precautions when using supplemental oxygen systems

Risk Management Elements

• CA.VIII.A.R1: High altitude flight.
• CA.VIII.A.R2: Use of supplemental oxygen.
• CA.VIII.A.R3: Management of compressed gas containers.
• CA.VIII.A.R4: Combustion hazards in an oxygen-rich environment.

How do I study CA.VIII.A?

1. Read each element for CA.VIII.A in FAA-S-ACS-7B and note any you cannot explain in your own words.
2. Study each one in the FAA source it points to: the handbook chapter, the 14 CFR section or the AIM paragraph.
3. Practice with questions tagged CA.VIII.A, and read the explanation for every miss.
4. Retest, then review the ACS codes you still miss on your practice test report.

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Related ACS tasks

• Previous task: CA.VII.E — Spin Awareness
• Next task: CA.VIII.B — Pressurization
• Same area: CA.VIII.B — Pressurization