[Code of Federal Regulations] [Title 14, Volume 1] [Revised as of January 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR34.61] [Page 773] TITLE 14--AERONAUTICS AND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 34--FUEL VENTING AND EXHAUST EMISSION REQUIREMENTS FOR TURBINE ENGINE POWERED AIRPLANES--Table of Contents Subpart G--Test Procedures for Engine Exhaust Gaseous Emissions (Aircraft and Aircraft Gas Turbine Engines) Sec. 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 deg.C...................... 780-820. Distillation Temperature, deg.C 10% 155-201. Boiling Point. 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 deg.C, mm \2\ / 2.5-6.5. sec. ------------------------------------------------------------------------ [Doc. No. FAA-1999-5018, 64 FR 5559, Feb. 3, 1999]