CFR > Title 14 - Aeronautics and Space > CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER C—AIRCRAFT (parts 21 to 50) > PART 29—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT > SUBPART E—Powerplant (§29.901 to §29.1203) > 29.953—Fuel system independence.

29.953—Fuel system independence.

(a) For category A rotorcraft—
(1) The fuel system must meet the requirements of § 29.903(b); and
(2) Unless other provisions are made to meet paragraph (a)(1) of this section, the fuel system must allow fuel to be supplied to each engine through a system independent of those parts of each system supplying fuel to other engines.
(b) Each fuel system for a multiengine category B rotorcraft must meet the requirements of paragraph (a)(2) of this section. However, separate fuel tanks need not be provided for each engine.