Designation:D7547−15AnAmericanNationalStandardStandardSpecificationforHydrocarbonUnleadedAviationGasoline1ThisstandardisissuedunderthefixeddesignationD7547;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversformulatingspecificationsforpurchasesofaviationgasolineundercontractandisintendedprimarilyforusebypurchasingagencies.1.2Unleadedaviationgasolinedefinedbythisspecificationisforuseinenginesandassociatedaircraftthatarespecificallyapprovedbytheengineandaircraftmanufacturers.Thisfuelisnotconsideredsuitableforuseinotherenginesandassociatedaircraftthatarecertifiedtouseonlyleadedaviationgasolinesofthesameoctanegrade.1.3Thisspecification,unlessotherwiseprovided,prescribestherequiredpropertiesofunleadedaviationgasolineatthetimeandplaceofdelivery.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D86TestMethodforDistillationofPetroleumProductsatAtmosphericPressureD130TestMethodforCorrosivenesstoCopperfromPetro-leumProductsbyCopperStripTestD323TestMethodforVaporPressureofPetroleumProducts(ReidMethod)D873TestMethodforOxidationStabilityofAviationFuels(PotentialResidueMethod)D1094TestMethodforWaterReactionofAviationFuelsD1298TestMethodforDensity,RelativeDensity,orAPIGravityofCrudePetroleumandLiquidPetroleumProd-uctsbyHydrometerMethodD2386TestMethodforFreezingPointofAviationFuelsD2622TestMethodforSulfurinPetroleumProductsbyWavelengthDispersiveX-rayFluorescenceSpectrometryD2624TestMethodsforElectricalConductivity...
