[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: 14CFR125.161]

[Page 993-994]
 
                     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. 125.161  Fire-extinguishing systems.

    (a) Unless the certificate holder shows that equivalent protection 
against destruction of the airplane in case of fire is provided by the 
use of fireproof materials in the nacelle and other components that 
would be subjected to flame, fire-extinguishing systems must be provided 
to serve all designated fire zones.

[[Page 994]]

    (b) Materials in the fire-extinguishing system must not react 
chemically with the extinguishing agent so as to be a hazard.