Def Stan 91-90-1996 Gasoline, Aviation Grades 80

MinistryofDefenceDefenceStandard91-90/Issue1(DERD2485)8MAY1996GASOLINE,AVIATION:GRADES80/87,100/130AND100/130LOWLEADJOINTSERVICEDESIGNATION:AVGAS80,AVGAS100ANDAVGAS100LLThisDefenceStandardsupersedesDERD2485Issue9datedJune1983DEFSTAN91-90/1(DERD2485)AMENDMENTSISSUEDSINCEPUBLICATIONAMDNODATEOFTEXTAFFECTEDSIGNATURE&ISSUEDATERevisionNoteHistoricalRecordDERD2485datedJune1983From:J.NursePROCUREMENTEXECUTIVE,MINISTRYOFDEFENCEAD/FS(Air)4Room264DFS(Air)St.GilesCourt,1St.GilesHighStreet,London,WC2H8LD.Telex22241TelephoneDirectLine0171-30-50359SwitchBoard0171-30-55555ProjectsfortheFutureFax0171-30-50359GTNExt50336ForinclusionaspartofYourreferenceofDefStan91-90(DERD2485)OurreferenceDate12March,1996CONVERSIONOFSPECIFICATIONDERD2485TOADEFENCESTANDARDASDEFSTAN91-90(DERD2485)ThepurposeofthisnoteistopresentthehistoryoftheUKcivilaviationgasolinespecificationandexplainitsstatusfollowingconversiontoaDefenceStandard.1.Background1.1TheoriginoftheDERDaviationgasolinefuelspecificationintheMinistryofDefence(MOD)lieswiththeinitialmilitarydevelopmentofaircraftpistonenginesandexperimentalfuelspecifications.1.2D.EngR.D2485eventuallysupersededallthepreviousaviationgasolineD.Eng.R.Dspecificationsandbecametheacceptedcivilaviationgasolinespecification.In1978Issue8incorporatedAVGAS100LL(NatoCodeF-18)andbecameDERD2485.[D.EngR.D(forDirectorateofEngineResearchandDevelopment)waschangedtothenon-descriptiveDERDtostandardiseonaformwhichdidnotrequireconstantamendmenttocorrespondwithorganisationalchangeswithinMOD].1.3AstheNATOmilitaryrequirementforAVGASisdecliningAVGAS100LLhashaditsF-18NATOCodenumberdesignationremoved.2.Conversion2.1ThechangefromaDERDSpecificationtoaDefenceStandardbecamenecessarytoimplementageneralMODpolicythatwhereverpossibleexisting'DepartmentalSpecifications'(theDERDseries)shouldbereplacedbyInternationalorNationalSpecificationsor,wheresuchdonotexistorareinappropriate,byDefenceStandards.2.2Itwasrecognisedthatitwouldtakesomeconsiderabletimetoamendaircraftairworthinesscertificates.relateddocumentationandbrandedfuelsystemstotakeaccountofthesechanges.Therefore.thenewstandardwillincludethe‘DERD2485‘designatorinitsnumberandtitle.3.Status3.1Historically,intheMODasinglepointaccountability,latterlytheDirectorofFutureSystems(Air).DFS(Air).hasbothpublishedandbeentechnicallyresponsiblefortheDERDseriesofaviationfuelspecifications;underthenewarrangementstechnicalresponsibilitywillremainwithDFS(Air)whohasdelegatedthetechnicalmanagementtotheDefenceResearchAgencyFuelsandLubricantsCentre,TheDirectorofStandardisationwillberesponsibleforthedocumentandpublication.3.2TheUnitedKingdomCivilAviationAuthorityhasagreedwithMODthatthisnewDefenceStandard[DefenceStandard91-90(DERD2485)]shallcontinueastheUKcivilfuelstandardunderthetechnicalauthorityofDFS(Air)3.3TheMOD(PE)AviationFuelsCommitteeistocontinueundertheauspicesofDFS(Air)andwillbetheforumatwhichtechnicalissuesconcerningaviationfuelswillbediscussed.3.4Therelationshipofthe1stissueofthisnewstandardistherefore:-DEFENCESTANDARDDefStan91-90/1(DERD2485)DATEDMay1996SUPERSEDESDERD2485Issue9JUNE1983.4TechnicalAuthority4.1TheDRAofficeresponsiblefortheTechnicalManagementofthisStandardisFuelsR&DRoomG22FuelsAndLubricantsCentreBuilding442DRAPyestockFarnboroughHampshireGU140LSTel:01252374780Fax:[phone]J.NurseAD/FS(Air)4DEFSTAN91-90/1(DERD2485)GASOLINE,AVIATION,GRADES80/87,100/130AND100/130LOWLEADJOINTSERVICEDESIGNATIONAVGAS80,AVGAS100ANDAVGAS100LLPREFACEThisDefenceStandardsupersedesDERD2485Issue9datedJune1983iThisDefenceStandardspecifiestherequirementsforAviationGasolineforuseinaircraftpistonengines.iiThisStandardhasbeenproducedonbehalfoftheDefenceEngineeringandEquipmentStandardizationCommittee(DEESC)bytheJointPetroleumProductsSubcommittee(JPPSC)(E1O).iiiThisStandardhasbeenagreedbytheauthoritiesconcernedwithitsuseandisintendedtobeusedwheneverrelevantinallfuturedesigns,contracts,ordersetcandwheneverpracticablebyamendmenttothosealreadyinexistence.IfanydifficultyariseswhichpreventsapplicationoftheDefenceStandard,theDirectorateofStandardizationshallbeinformedsothataremedymaybesought.ivAnyenquiriesregardingthisStandardinrelationtoaninvitationtotenderoracontractinwhichitisincorporatedaretobeaddressedtotheresponsibletechnicalorsupervisingauthoritynamedintheinvitationtotenderorcontract.vThisStandardhasbeendevisedfortheuseoftheCrownanditscontractorsintheexecutionofcontractsfortheCrown.TheCrownherebyexcludesallliability(otherthanliabilityfordeathorpersonalinjury)whatsoeverandhowsoeverarising(including,butwithoutlimitation,negligenceonthepartoftheCrownitsservantsoragents)foranylossordamagehowevercausedwheretheStandardisusedforanyotherpurpose.1DEFSTAN91-90/1(DERD2485)CONTENTSPreface01234567IntroductionScopeWARNINGRelatedDocumentsMaterialsQualityAssuranceTestingContainersandMarkingofContainersTableATestRequirementsTableBDyeRequirementsTableCAlternativeTestMethodsforUsewithTableATestRequirementsAnnexAListofQualifiedAdditivesAnnexBAlternativeTestMethodsforUsewithTableATestRequirementsAnnexCRelatedDocumentsList2PAGE1333334474A-2B-