CFR › Title 14 › Part 25 › §25.145314 CFR §25.1453Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkOxygen pressure tanks, and lines between tanks and the shutoff means, must be—(a)Protected from unsafe temperatures; and(b)Located where the probability and hazards of rupture in a crash landing are minimized.