[Code of Federal Regulations]
[Title 40, Volume 18]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR87.80]

[Page 11-12]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 87--CONTROL OF AIR POLLUTION FROM AIRCRAFT AND AIRCRAFT ENGINES--Table of Contents
 
  Subpart H--Test Procedures for Engine Smoke Emissions (Aircraft Gas 
                            Turbine Engines)
 
Sec. 87.80  Introduction.


    Except as provided under Sec. 87.5, the procedures described in this 
subpart shall be the test program to determine the conformity of new and 
in-use gas turbine engines with the applicable standards set forth in 
this part. The test is essentially the same as that described in 
Secs. 87.60 through 87.62, except that the test is designed to determine 
the smoke emission level at various operating points representative of 
engine usage in aircraft. Other smoke measurement systems may be used if 
shown

[[Page 12]]

to yield equivalent results and if approved in advance by the 
Administrator or the Secretary.