Co pper ▁allo ys ▁Category : History ▁of ▁met all ur gy ▁Category : Met al working ▁Category : Dec or ative ▁arts <0x0A> </s> ▁D ice pol ia ▁r ufe ol alis ▁is ▁a ▁moth ▁in ▁the ▁family ▁Cr amb idae . ▁It ▁was ▁described ▁by ▁M ab ille ▁in ▁ 1 9 0 0 . ▁It ▁is ▁found ▁in ▁Mad agas car . ▁ ▁References ▁ ▁Category : M oth s ▁described ▁in ▁ 1 9 0 0 ▁Category : O d ont i inae <0x0A> </s> ▁The ▁crash ▁position ▁indicator ▁( C PI ) ▁is ▁a ▁radio ▁be acon ▁designed ▁to ▁be ▁e ject ed ▁from ▁an ▁aircraft ▁when ▁it ▁crashes . ▁This ▁helps ▁ensure ▁it ▁surv ives ▁the ▁crash ▁and ▁any ▁post - cr ash ▁fires ▁or ▁s inking , ▁allowing ▁it ▁to ▁broadcast ▁a ▁hom ing ▁signal ▁to ▁search ▁and ▁rescue ▁aircraft . ▁ ▁C PI ' s ▁became ▁a ▁requirement ▁on ▁some ▁military ▁aircraft ▁and ▁were ▁often ▁combined ▁with ▁flight ▁data ▁record ers . ▁Today ▁the ▁be acon ▁functions ▁are ▁normally ▁ful filled ▁by ▁the ▁emer gency ▁loc ator ▁transmit ter ▁system . ▁The ▁term ▁" cr ash ▁position ▁indicator " ▁no ▁longer ▁refers ▁to ▁the ▁specific ▁device , ▁but ▁any ▁loc ator ▁be acon . ▁ ▁The ▁C PI ▁is ▁ranked ▁No . ▁ 4 8 ▁in ▁the ▁list ▁of ▁the ▁ 5 0 ▁Great est ▁Canadian ▁In vent ions . ▁ ▁History ▁ ▁Harry ▁Ste vin son ▁The ▁C PI ▁was ▁developed ▁by ▁Harry ▁Ste