▁that ▁an ▁un mann ed ▁" par cel ▁cop ter " ▁will ▁commence ▁delivery ▁of ▁ur gent ▁dru gs ▁and ▁supplies ▁to ▁the ▁island ▁by ▁D HL . ▁It ▁will ▁be ▁the ▁first ▁time ▁an ▁un mann ed ▁aircraft ▁had ▁been ▁author ised ▁to ▁deliver ▁goods ▁in ▁Europe ▁and ▁the ▁first ▁time ▁that ▁autom ated ▁d ron es ▁have ▁been ▁used ▁to ▁deliver ▁medic ines ▁anywhere ▁in ▁the ▁world . ▁The ▁flight ▁at ▁an ▁alt itude ▁of ▁ 5 0   m ▁and ▁at ▁a ▁speed ▁of ▁up ▁to ▁ 1 8   m / s ▁will ▁be ▁autom ated ▁but ▁monitor ed ▁in ▁Nord de ich . ▁ ▁Econom y ▁Tour ism ▁is ▁the ▁main ▁source ▁of ▁income ▁for ▁Ju ist ' s ▁economy . ▁Al most ▁all ▁the ▁buildings ▁on ▁the ▁island ▁feature ▁gu estro oms , ▁with ▁several ▁hot els ▁and ▁a ▁youth ▁host el ▁also ▁on ▁the ▁island . ▁There ▁is ▁an ▁island ▁partners hip ▁between ▁Ju ist ▁and ▁H idden see ▁in ▁the ▁Balt ic ▁Sea . ▁ ▁History ▁In ▁the ▁ 1 7 th ▁and ▁ 1 8 th ▁century ▁Ju ist ▁was ▁cut ▁in ▁two ▁parts ▁by ▁several ▁storm ▁t ides ▁( see ▁St . ▁Peter ' s ▁Flo od ). ▁Ar ound ▁year ▁ 1 7 7 0 ▁people ▁started ▁to ▁close ▁the ▁ 2   km ▁wide ▁burst ▁at ▁the ▁southern ▁side ▁by ▁a ▁d une ▁di ke . ▁As ▁recently ▁as ▁ 1 9 2 8 ▁the ▁northern ▁side ▁was ▁rep a ired