Designation:D7719−21aAnAmericanNationalStandardStandardSpecificationforHighAromaticContentUnleadedHydrocarbonAviationGasolineTestFuel1ThisstandardisissuedunderthefixeddesignationD7719;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversformulatingspecificationsforpurchasesofahigharomaticcontentunleadedhydrocarbonaviationgasolinetestfuelundercontractandisintendedsolelyforusebypurchasingagenciesfortestingpurposes.21.2Thisspecificationdefinesaspecifictypeofhigharo-maticcontentunleadedhydrocarbonaviationgasoline(hereaf-teralsoreferredtoas“D7719fuel”)foruseasanaviationspark-ignitiontestfuel.Itdoesnotincludeallfuelssatisfactoryforreciprocatingaviationengines.Certainequipmentorcon-ditionsofusemaypermitawider,orrequireanarrower,rangeofcharacteristicsthanisshownbythisspecification.1.3TheD7719fueldefinedbythisspecificationdoesnotexhibitidenticalperformancetothoseleadedfuelsforwhichtheexistingaircraftandground-basedfuelhandlingequipmenthavebeendesignedtooperateon.Therefore,thesuitabilityofthistestfuelforuseonanyspecificaircraft,aircraftengine,orground-basedfuelhandlingequipmentshouldbeevaluatedbeforeuseonthatequipment.1.4Issuanceofthisspecificationdoesnotconstituteap-provaltooperatecertificatedaircraftwiththisfuel.Fuelsusedincertifiedenginesandaircraftareultimatelyapprovedbythecertifyingauthoritysubsequenttoformalsubmissionofevi-dencetotheauthorityaspartofthecertificationprogramforthataircraftandenginemodel.1.5Thisspecification,unlessotherwiseprovided,prescribestherequiredpropertiesofunleadedD7719testfuelatthetimeandplaceofdelivery.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsib...
