§27.969. Fuel tank expansion space.
14 C.F.R. § 27.969
Each fuel tank or each group of fuel tanks with interconnected vent systems must have an expansion space of not less than 2 percent of the tank capacity. It must be impossible to fill the fuel tank expansion space inadvertently with the rotorcraft in the normal ground attitude.
Notes, amendments, and revision history
Amendments
[Amdt. 27-23, 53 FR 34213, Sept. 2, 1988]
Authority
Authority: 49 U.S.C. 106(f), 106(g), 40113, 44701-44702, 44704.
Source
Source: Docket No. 5074, 29 FR 15695, Nov. 24, 1964, unless otherwise noted.
Amendments
[Amdt. 27-23, 53 FR 34213, Sept. 2, 1988]