Designation:F2426−13StandardGuideonWingInterfaceDocumentationforPoweredParachuteAircraft1ThisstandardisissuedunderthefixeddesignationF2426;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoversthemanufactureofpoweredpara-chuteaircraftandtheirqualificationforcertification.1.2Thisguideappliestopoweredparachuteaircraftseekingcivilaviationauthorityapproval,intheformofflightcertificates,flightpermits,orotherlikedocumentation.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2F2240SpecificationforManufacturerQualityAssuranceProgramforPoweredParachuteAircraftF2241SpecificationforContinuedAirworthinessSystemforPoweredParachuteAircraftF2242SpecificationforProductionAcceptanceTestingSys-temforPoweredParachuteAircraftF2243SpecificationforRequiredProductInformationtobeProvidedwithPoweredParachuteAircraftF2244SpecificationforDesignandPerformanceRequire-mentsforPoweredParachuteAircraftF2483PracticeforMaintenanceandtheDevelopmentofMaintenanceManualsforLightSportAircraftF2563PracticeforKitAssemblyInstructionsofAircraftIntendedPrimarilyforRecreation3.Terminology3.1Definitions:3.1.1poweredparachute,n—aircraftcomprisedofaflexibleorsemi-rigidwingconnectedtoafuselageinsuchawaythatthewingisnotinpositionforflightuntiltheaircraftisinmotion,thataircrafthasafuselagewithseats,engine,andwheels(orfloats),suchthatthewingandenginecannotbeflownwithoutthewheels(orfloats)andseat(s).Uniquetothepoweredparachuteisthelargedisplacementbetweenthecenteroflift(high)andthecenterofgravity(low),whichisthependulumeffect.Thependulumeffectlimitsangleofattack...