[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: 14CFR23.171]

[Page 199]
 
                     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.  23.171  General.

    The airplane must be longitudinally, directionally, and laterally 
stable under Sec.  Sec.  23.173 through 23.181. In addition, the airplane 
must show suitable stability and control ``feel'' (static stability) in 
any condition normally encountered in service, if flight tests show it 
is necessary for safe operation.