[Code of Federal Regulations]
[Title 14, Volume 1]
[Revised as of January 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 14CFR31.46]

[Page 730]
 
                     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. 31.46  Pressurized fuel systems.

    For pressurized fuel systems, each element and its connecting 
fittings and lines must be tested to an ultimate pressure of at least 
twice the maximum pressure to which the system will be subjected in 
normal operation. No part of the system may fail or malfunction during 
the test. The test configuration must be representative of the normal 
fuel system installation and balloon configuration.

[Amdt. 31-3, 41 FR 55474, Dec. 20, 1976]