9 9 1 ▁in ▁Vienna , ▁Austria . ▁It ▁was ▁such ▁a ▁success ▁that ▁it ▁has ▁been ▁held ▁every ▁year ▁since ▁and ▁in ▁over ▁ 3 5 ▁cities ▁all ▁over ▁the ▁world . ▁Anyone ▁is ▁el ig ible ▁to ▁comp ete ▁in ▁the ▁Flug tag ▁event . ▁To ▁particip ate , ▁each ▁team ▁must ▁submit ▁an ▁application ▁and ▁their ▁contra ption ▁must ▁meet ▁the ▁criteria ▁set ▁forth ▁by ▁Red ▁Bull . ▁The ▁criteria ▁vary ▁with ▁location . ▁In ▁the ▁United ▁States ▁each ▁flying ▁machine ▁must ▁have ▁a ▁maximum ▁wings pan ▁of ▁ ▁and ▁a ▁maximum ▁weight ▁( including ▁pilot ) ▁of ▁. ▁In ▁Australian ▁Flug tags ▁the ▁wings pan ▁is ▁limited ▁to ▁ ▁and ▁the ▁weight ▁( not ▁including ▁pilot ) ▁to ▁. ▁The ▁craft ▁must ▁be ▁power ed ▁by ▁mus cle , ▁gravity , ▁and ▁imagination . ▁Because ▁the ▁aircraft ▁will ▁ultimately ▁end ▁up ▁in ▁the ▁water , ▁it ▁must ▁be ▁uns ink able ▁and ▁constructed ▁entirely ▁of ▁environment ally ▁friendly ▁materials . ▁The ▁aircraft ▁may ▁not ▁have ▁any ▁loose ▁parts ▁and ▁advert ising ▁space ▁is ▁limited ▁to ▁. ▁ ▁Teams ▁that ▁enter ▁the ▁competition ▁are ▁jud ged ▁according ▁to ▁three ▁criteria : ▁distance , ▁cre ativity , ▁and ▁show mans hip . ▁ ▁World ▁records ▁ ▁Dist ance ▁ ▁The ▁record ▁for ▁the ▁longest ▁flight ▁is ▁ 2 5 8 ▁feet ▁( 7 8 . 6 ▁m ), ▁set ▁September ▁ 2 1 , ▁ 2 0 1 3 , ▁at ▁the ▁Flug tag ▁in ▁Long ▁Beach , ▁California ▁by ▁"