§25.29. Empty weight and corresponding center of gravity.
14 C.F.R. § 25.29
The empty weight and corresponding center of gravity must be determined by weighing the airplane with—
Fixed ballast;
Unusable fuel determined under § 25.959; and
Full operating fluids, including—
Oil;
Hydraulic fluid; and
Other fluids required for normal operation of airplane systems, except potable water, lavatory precharge water, and fluids intended for injection in the engine.
The condition of the airplane at the time of determining empty weight must be one that is well defined and can be easily repeated.
Notes, amendments, and revision history
Amendments
[Doc. No. 5066, 29 FR 18291, Dec. 24, 1964, as amended by Amdt. 25-42, 43 FR 2320, Jan. 16, 1978; Amdt. 25-72, 55 FR 29774, July 20, 1990]
Authority
Authority: 49 U.S.C. 106(f), 106(g), 40113, 44701, 44702 and 44704; Pub. L. 115-254, 132 Stat 3281 (49 U.S.C. 44903 note).
Source
Source: Docket No. 5066, 29 FR 18291, Dec. 24, 1964, unless otherwise noted.
Amendments
[Doc. No. 5066, 29 FR 18291, Dec. 24, 1964, as amended by Amdt. 25-42, 43 FR 2320, Jan. 16, 1978; Amdt. 25-72, 55 FR 29774, July 20, 1990]