§ 25.29. Empty weight and corresponding center of gravity.
116 words·~1 min read·
/us/cfr/t14/s§ 25.29·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)The empty weight and corresponding center of gravity must be determined by weighing the airplane with—
(1)Fixed ballast;
(2)Unusable fuel determined under § 25.959; and
(3)Full operating fluids, including—
(i)Oil;
(ii)Hydraulic fluid; and
(iii)Other fluids required for normal operation of airplane systems, except potable water, lavatory precharge water, and fluids intended for injection in the engine.
(b)The condition of the airplane at the time of determining empty weight must be one that is well defined and can be easily repeated. [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]