Designation:F3114−15StandardSpecificationforStructures1ThisstandardisissuedunderthefixeddesignationF3114;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationaddressesthestructuralrequirementsthatapplytoallportionsoftheairframeregardlessofcomponent,system,orstructure.1.2ThisspecificationwasoriginallyconceivedforsmallairplanesasdefinedintheF44terminologystandardbutmayfindbroaderapplicability.UseofthetermaircraftthroughoutthisspecificationisintendedtoallowtherelevantCAA(s)toacceptthisstandardasameansofcomplianceastheydetermineittobeappropriate,whetherforsmallairplanesorforothertypesofaircraft.1.3TheapplicantforadesignapprovalmustseekindividualguidancefromtheirrespectiveCAAbodyconcerningtheuseofthisstandardaspartofacertificationplan.ForinformationonwhichCAAregulatorybodieshaveacceptedthisstandard(inwholeorinpart)asameansofcompliancetotheirSmallAirplaneAirworthinessRules(hereinafterreferredtoas“theRules”),refertoASTMF44webpage(www.ASTM.org/COMMITTEE/F44.htm)whichincludesCAAwebsitelinks.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2F3060TerminologyforAircraftF3061SpecificationforSystemsandEquipmentinSmallAircraftF3083SpecificationforEmergencyConditions,OccupantSafetyandAccommodationsF3093SpecificationforAeroelasticityRequirementsF3115SpecificationforStructuralDurabilityforSmallAir-planesF3116SpecificationforDesignLoadsandConditions3.Terminology3.1SeeTerminologyF3060formoredefinitionsandabbre-viations.4.Strength4.1Loads—Strengthrequirementsarespecifiedintermsoflimitloads(themaximumloadstobeexpectedinservice)...
