Designation:F2427−05a(Reapproved2013)StandardSpecificationforRequiredProductInformationtobeProvidedwithLighter-Than-AirLightSportAircraft1ThisstandardisissuedunderthefixeddesignationF2427;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversthemanufactureoflighter-than-airlightsportaircraft.1.1.1Thisspecificationcoverstheminimumrequirementsforinformationthatshallbeprovidedbythemanufacturerorsellerofnewlighter-than-airaircraftasapartoftheinitialsaleortransfertothefirstenduser.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.2.Terminology2.1Definitions:2.1.1airship—engine-drivenlighter-than-airaircraftthatcanbesteered.2.1.2AOI—AircraftOperatingInstructions.2.1.3balloon—lighter-than-airaircraftthatisnotengine-driven,andthatsustainsflightthroughtheuseofeithergasbuoyancyoranairborneheater.2.1.4lighter-than-airaircraft—aircraftthatcanriseandremainsuspendedbyusingcontainedgasweighinglessthantheairthatisdisplacedbythegas.2.1.4.1Discussion—Aircraftmayincludedynamicliftthatderiveasmuchas30%liftfromotherthanbuoyancy.2.1.5thermalairship—airshipusingheatedairforaportionofitslift,incorporatingdesignfeaturestopreventnosecollapseduetodynamicpressureandexemptfromspecificpressurizedenveloperequirements.2.1.6vectoredthrustballoon—thermalballoonwiththrustcapabilitythatdoesnothavedesignfeaturestopreventforwardenvelopecollapseduetodynamicpressureandisthereforelimitedinitslateralspeedcapability.3.InformationRequirements3.1Themanufacturershallprovidecriticalinformationforeachaircraft.Thisinformationshallinclude,butnotbelimitedto,theinformationplateattached...
