[Code of Federal Regulations]
[Title 14, Volume 2]
[Revised as of January 1, 2008]
From the U.S. Government Printing Office via GPO Access
[CITE: 14CFR125.129]

[Page 992]
 
                     TITLE 14--AERONAUTICS AND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION 
                               (CONTINUED)
 
 PART 125_CERTIFICATION AND OPERATIONS: AIRPLANES HAVING A SEATING CAPACITY OF 
 
              Subpart E_Special Airworthiness Requirements
 
Sec. 125.129  Fuel system lines and fittings.

    (a) Fuel lines must be installed and supported so as to prevent 
excessive vibration and so as to be adequate to withstand loads due to 
fuel pressure and accelerated flight conditions.
    (b) Lines connected to components of the airplane between which 
there may be relative motion must incorporate provisions for 
flexibility.
    (c) Flexible connections in lines that may be under pressure and 
subject to axial loading must use flexible hose assemblies rather than 
hose clamp connections.
    (d) Flexible hoses must be of an acceptable type or proven suitable 
for the particular application.