14 C.F.R. § 34.80 Introduction.
Title 14 - Aeronautics and Space
Except as provided under §34.5, the procedures described in this subpart shall constitute the test program to be used 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 §§34.60–34.62, 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 to yield equivalent results and if approved in advance by the Administrator or the Administrator of the EPA.
Title 14: Aeronautics and Space
PART 34—FUEL VENTING AND EXHAUST EMISSION REQUIREMENTS FOR TURBINE ENGINE POWERED AIRPLANES
Subpart H—Test Procedures for Engine Smoke Emissions (Aircraft Gas Turbine Engines)
§ 34.80 Introduction.
