<0xE8> <0xAE> <0xAF> 中 <0xE7> <0xBB> <0xA7> 用 无 人 直 <0xE5> <0x8D> <0x87> 机 ) ▁is ▁an ▁un mann ed ▁hel ic opter ▁developed ▁by ▁T J U ▁in ▁conventional ▁layout ▁and ▁the ▁landing ▁g ear ▁consists ▁of ▁a ▁pair ▁of ▁sk ids . ▁ ▁This ▁un mann ed ▁hel ic opter ▁is ▁intended ▁to ▁form ▁an ▁emer gency ▁communication ▁network ▁after ▁dis aster s ▁have ▁destroyed ▁the ▁communication ▁infrastr ucture . ▁Design ▁was ▁completed ▁in ▁November ▁ 2 0 0 4 ▁and ▁it ▁has ▁been ▁in ▁service ▁since . ▁When ▁operating , ▁a ▁pair ▁of ▁communication ▁relay ▁U AV ▁is ▁needed , ▁and ▁both ▁hover ing ▁at ▁an ▁alt itude ▁of ▁ 1 5 0 ▁meter ▁to ▁provide ▁emer gency ▁wireless ▁communication ▁for ▁dis aster ▁relief . ▁Spec ification : ▁L ength ▁( m ): ▁ 2 ▁Width ▁( m ): ▁ 0 . 7 4 ▁Height ▁( m ): ▁ 0 . 6 ▁ ▁E OD ▁U AV ▁E OD ▁U AV ▁is ▁an ▁un mann ed ▁hel ic opter ▁developed ▁by ▁Nobel ▁Mor al ▁for ▁explos ive ▁ord n ance ▁dispos al . ▁E OD ▁U AV ▁is ▁primarily ▁deployed ▁in ▁situation ▁in ▁which ▁vol atile ▁gas ▁link age ▁could ▁not ▁be ▁stopped ▁and ▁thus ▁must ▁be ▁ign ited ▁to ▁burn ▁the ▁gas ▁out . ▁It ▁is ▁also ▁deployed ▁in ▁the ▁dispose ▁of ▁conf isc ated ▁illegal ▁fire works . ▁ ▁Development ▁of ▁E OD ▁U AV ▁was ▁completed ▁in ▁May ▁ 2 0 0 6 ▁and ▁it ▁has