14 C.F.R. § 27.995 Fuel valves.
Title 14 - Aeronautics and Space
(a) There must be a positive, quick-acting valve to shut off fuel to each engine individually. (b) The control for this valve must be within easy reach of appropriate crewmembers. (c) Where there is more than one source of fuel supply there must be means for independent feeding from each source. (d) No shutoff valve may be on the engine side of any firewall.
Title 14: Aeronautics and Space
PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
Subpart E—Powerplant
Fuel System Components
§ 27.995 Fuel valves.
