[Code of Federal Regulations]
[Title 14, Volume 1]
[Revised as of January 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 14CFR23.29]

[Page 185-186]
 
                     TITLE 14--AERONAUTICS AND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
 
PART 23_AIRWORTHINESS STANDARDS: NORMAL, UTILITY, ACROBATIC, AND 
COMMUTER CATEGORY AIRPLANES--Table of Contents
 
                            Subpart B_Flight
 
Sec.  23.29  Empty weight and corresponding center of gravity.

    (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 Sec.  23.959; and
    (3) Full operating fluids, including--
    (i) Oil;
    (ii) Hydraulic fluid; and

[[Page 186]]

    (iii) Other fluids required for normal operation of airplane 
systems, except potable water, lavatory precharge water, and water 
intended for injection in the engines.
    (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. 4080, 29 FR 17955, Dec. 18, 1964; 30 FR 258, Jan. 9, 1965, as 
amended by Amdt. 23-21, 43 FR 2317, Jan. 16, 1978]