CTSO-C21b 航空器松紧螺套和松紧螺套保险（英文版）.pdf

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1、EnglishTranslationVersionforReferenceOnlyNumber：CTSO-C21bDateofapproval：Jun4,2019Approvedby：XuChaoqunChinaCivilAviationTechnicalStandardOrderThisChinaCivilAviationTechnicalStandardOrder(CTSO)isissuedaccordingtoPart37oftheChinaCivilAviationRegulations(CCAR-37).EachCTSOisacriterionwhichth

2、econcernedaeronauticalmaterials,partsorappliancesusedoncivilaircraftmustcomplywithwhenitispresentedforairworthinesscertification.AircraftTurnbuckleAssembliesand/orTurnbuckleSafetyingDevices1.Purpose.ThisChinaCivilAviationTechnicalStandardOrder(CTSO)isformanufacturersapplyingforaircraftt

3、urnbuckleassembliesand/orturnbucklesafetyingdevicesCTSOauthorization(CTSOA).ThisCTSOprescribestheminimumperformancestandards(MPS)thataircraftturnbuckleassembliesand/orturnbucklesafetyingdevicesmustfirstmeetforapprovalandidentificationwiththeapplicableCTSOmarking.2.Applicability.ThisCTSO

4、affectsnewapplicationsubmittedafteritseffectivedate.MajordesignchangestoarticleapprovedunderthisCTSOwillrequireanewauthorizationinaccordancewithsection21.353ofCCAR-21-R4.3.Requirementsa.MinimumPerformanceStandards.Turnbuckleassembliesand/or-1-EnglishTranslationVersionforReferenceOnlyCAA

5、CCTSO-C21bturnbucklesafetyingdevicesthataretobesoidentifiedandthataremanufacturedonorafterthedateofthisCTSOmustmeetthestandardssetforthinSections3and4ofUSMilitarySpecificationMIL-T-8878C,“Turnbuckles,PositiveSafetying”,datedOctober8,1985,withtheexceptions/revisionsandadditionsspecifiedi

6、nsubparagraphsa.(3)anda.(4)respectivelyofthisCTSO.TurnbucklesapprovedpriortothedateofthisCTSOmaycontinuetobemanufacturedundertheprovisionsoftheiroriginalapproval.b.TestMethods.FederalTestMethodStandard151,Method211.c.Exceptions/Revisions.(1)Disregardthestatementinparagraph3.1ofMIL-T-887

7、8C,“...andwhichhavebeenlistedonorapprovedforlistingontheapplicableQualifiedProductsList.”(2)Compliancewithparagraphs4.1and4.5.2ofMIL-T-8878Carenotrequired.d.Additions.(1)Inadditiontorequirementsofparagraph3.3.2ofMIL-T-8878C,includethefollowing:“Lockingclipsareforonetimeuseonlya