AI.II.N.R3FAA-S-ACS-25 · Nov 2023Risk management

Management of compressed gas containers.

ACS element text (the applicant demonstrates understanding of)

Management of compressed gas containers.

Bottom line

When the ambient temperature surrounding an oxygen cylinder decreases, pressure within that cylinder will decrease because pressure varies directly with temperature if the volume of a gas remains constant. High-pressure oxygen containers should be marked with the psi tolerance (i.e., 1,800 psi) before filling the container to that pressure. To assure safety, periodic inspection and servicing should take place by a certified maintenance provide found at some fixed base operations and terminal complexes.

FAA references

  1. AC 61-107, para. 2-9 — AC No: 61-107B
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