14 CFR · Part 121
14 CFR § 121.235
Fuel valves.
Each fuel valve must—
(a)
Comply with § 121.257;
(b)
Have positive stops or suitable index provisions in the “on” and “off” positions; and
(c)
Be supported so that loads resulting from its operation or from accelerated flight conditions are not transmitted to the lines connected to the valve.
Regulations Referenced
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
Primary Source