Designation:D7566−21AnAmericanNationalStandardStandardSpecificationforAviationTurbineFuelContainingSynthesizedHydrocarbons1ThisstandardisissuedunderthefixeddesignationD7566;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoversthemanufactureofaviationturbinefuelthatconsistsofconventionalandsyntheticblend-ingcomponents.1.2Thisspecificationappliesonlyatthepointofbatchorigination,asfollows:1.2.1Aviationturbinefuelmanufactured,certified,andreleasedtoalltherequirementsofTable1ofthisspecification(D7566),meetstherequirementsofSpecificationD1655andshallberegardedasSpecificationD1655turbinefuel.Dupli-catetestingisnotnecessary;thesamedatamaybeusedforbothD7566andD1655compliance.Oncethefuelisreleasedtothisspecification(D7566)theuniquerequirementsofthisspecificationarenolongerapplicable:anyrecertificationshallbedoneinaccordancewithTable1ofSpecificationD1655.1.2.2Fieldblendingofsynthesizedparaffinickerosine(SPK)blendstocks,asdescribedinAnnexA1(FTSPK),AnnexA2(HEFASPK),AnnexA3(SIP),AnnexA4synthe-sizedparaffinickerosineplusaromatics(SPK/A),AnnexA5(ATJ),AnnexA6catalytichydrothermolysisjet(CHJ),orAnnexA7(HC-HEFASPK)withD1655fuel(whichmayonthewholeorinparthaveoriginatedasD7566fuel)shallbeconsideredbatchoriginationinwhichcasealloftherequire-mentsofTable1ofthisspecification(D7566)applyandshallbeevaluated.Shortformconformancetestprogramscom-monlyusedtoensuretransportationqualityarenotsufficient.ThefuelshallberegardedasD1655turbinefuelaftercertificationandreleaseasdescribedin1.2.1.1.2.3OnceafuelisredesignatedasD1655aviationturbinefuel,itcanbehandledinthesamefashionastheequivalentrefinedD1655aviationturbinefuel.1.3Thisspecificationdefinestheminimumpropertyre-quirementsforaviationturb...