CFR > Title 14 - Aeronautics and Space > CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER C—AIRCRAFT (parts 21 to 50) > PART 34—FUEL VENTING AND EXHAUST EMISSION REQUIREMENTS FOR TURBINE ENGINE POWERED AIRPLANES > SUBPART G—Test Procedures for Engine Exhaust Gaseous Emissions (Aircraft and Aircraft Gas Turbine Engines) (§34.60 to §34.71) > 34.61—Turbine fuel specifications.

34.61—Turbine fuel specifications.

For exhaust emission testing, fuel that meets the specifications listed in this section shall be used. Additives used for the purpose of smoke suppression (such as organometallic compounds) shall not be present.
Specification for Fuel To Be Used in Aircraft Turbine Engine Emission Testing
Property Allowable range of values
Density at 15 °C 780-820.
Distillation Temperature, °C 10% Boiling Point 155-201.
Final Boiling Point 235-285.
Net Heat of Combustion, MJ/Kg 42.86-43.50.
Aromatics, Volume % 15-23.
Naphthalenes, Volume % 1.0-3.5.
Smoke point, mm 20-28.
Hydrogen, Mass % 13.4-14.1.
Sulfur Mass % Less than 0.3%.
Kinematic viscosity at—20 °C, mm 2 /sec 2.5-6.5.

Code of Federal Regulations

[Doc. No. FAA-1999-5018, 64 FR 5559, Feb. 3, 1999]