[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: 14CFR31.39]

[Page 765]
 
                     TITLE 14--AERONAUTICS AND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
 
PART 31_AIRWORTHINESS STANDARDS: MANNED FREE BALLOONS--Table of Contents
 
                      Subpart D_Design Construction
 
Sec.  31.39  Protection.

    Each part of the balloon must be suitably protected against 
deterioration or loss of strength in service due to weathering, 
corrosion, or other causes.