Federal Aviation Regulations
Sec. 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.
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