Unmanned helicopter conducts first test flight

　　 TheAR500CunmannedhelicopteristestedinJingdezhen,Jiangxiprovince,lastmonth.(PHOTOPROVIDEDTOCHINADAILY)Chinasfirstunmannedhelicopterspecificallydesignedforplateauconditionsrecentlyconducteditsmaidenflight,accordingtothemodelsdeveloper,AviationIndustryCorpofChina,thecountry,designedandbuiltbytheAVICHelicopterResearchandDevelopmentInstituteinJingdezhen,Jiangxiprovince,tookoffforthefirsttimeonMay20attheinstitutesunmannedaircrafttestingbaseinJiangxi"satisfactorydata",,theAR500B,sreconnaissanceandsignalrelay,,technologydirectorattheinstitute,saidtheAR500Chasamaximumtakeoffweightof500kilograms,aflightceilingof6,ustaskssuchaselectronicjamming,aerialsearch,firesuppression,getlockingandstrike,andsupplytransportation,hdesignersfocusingonitsengine,rotorwing,eforetheflighttest,,,anaviationindustryobserverinBeijing,explainedthatthespecialenvironmentalconditionsonplateau,rangingfromlowoxygenlevelstochillytemperaturesandrapidlychangingweather,,thosemadeforplateauoperationsshouldhavestrongerengines,bettertemperatureadaptabilityandotherspecificmodifications,hesaid,addingthattheywillbeveryusefulinChina.。