Designation:F2564−14StandardSpecificationforDesignandPerformanceofaLightSportGlider1ThisstandardisissuedunderthefixeddesignationF2564;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversairworthinessrequirementsforthedesignofapoweredornon-poweredfixedwinglightsportaircraft,a“glider.”1.2ThisspecificationisapplicabletothedesignofalightsportaircraftgliderasdefinedbyregulationsandlimitedtodayVFRflight.1.3Agliderforthepurposesofthisspecificationisdefinedasaheavierthanairaircraftthatremainsairbornethroughthedynamicreactionoftheairwithafixedwingandinwhichtheabilitytoremainaloftinfreeflightdoesnotdependonthepropulsionfromapowerplant.Apoweredgliderisdefinedforthepurposesofthisspecificationasagliderequippedwithapowerplantinwhichtheflightcharacteristicsarethoseofagliderwhenthepowerplantisnotinoperation.1.4ThevaluesinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesisareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatoryrequirementspriortouse.2.ReferencedDocuments2.1ASTMStandards:2F2295PracticeforContinuedOperationalSafetyMonitor-ingofaLightSportAircraftF2316SpecificationforAirframeEmergencyParachutesF2339PracticeforDesignandManufactureofReciprocat-ingSparkIgnitionEnginesforLightSportAircraftF2840PracticeforDesignandManufactureofElectricPropulsionUnitsforLightSportAircraftF2972SpecificationforLightSportAircraftManufacturer’sQualityAssuranceSystem2.2OtherStandards:CS-22SubpartHCertificationSpecificationsforSailplanesandPoweredSailplanes33.Terminology3.1Definitions:3.1.1electricpropulsionunit,EPU—anyelectricmotorandallassociateddevicesusedtoprovid...
