StacksVerified U.S. regulatory reference

14 CFR §121.235

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Each fuel valve must—
  1. (a)Comply with § 121.257;
  2. (b)Have positive stops or suitable index provisions in the “on” and “off” positions; and
  3. (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.