Helikọpta Columbia
Columbia Helicopters, Incorporated (CHI) bụ ụlọ ọrụ na-emepụta ụgbọelu na onye na-arụ ọrụ na Aurora, Oregon, United States. A maara ya maka ịrụ ọrụ helicopters rotor; n'oge a, naanị Boeing Vertol 107 na Boeing Vertol 234. A na-eji helikọpta ndị a eme ihe na mweghachi nke iyi na ọhịa, gụnyere heli-logging, ọkụ ọkụ ikuku, nchọpụta mmanụ, iwu, nkwado gọọmentị, mmepụta ihe nkiri, nzaghachi ọdachi, na ọtụtụ ọrụ ndị ọzọ. Na mgbakwunye, ụlọ ọrụ ahụ na-arụ ọrụ nnukwu ụlọ ọrụ FAA na-akwado ndị ahịa n'ụwa niile.

Nchịkwa Nleba Anya 
Mgbe ịzụrụ Hiller 12E siri ike karị, Lematta malitere ịrụ ọrụ ndị na-ebuli elu.  Otu n'ime nnukwu ọrụ ndị a na-arụ ọrụ na John Day Dam na aha ụlọ ọrụ ya, Osimiri Columbia.  N'ebe a Lematta malitere ịrụ ọrụ ebuli nke ọma site na iji eriri ogologo karịa nkezi.  Echiche ahụ bụ na onye na-anya ụgbọ elu nwere ike ịdabere n'akụkụ ụgbọ elu ahụ wee hụ kpọmkwem ebe a ga-etinye ibu ahụ kama ịdabere na ntụziaka anya site n'aka ndị ọrụ ala ma ọ bụ enyo.  Afọ ole na ole ka e mesịrị, nwanne Wes, Jim, nọ na-efe ụgbọ elu Sikorsky S-61 na Colorado Rockies.oyi dị ya nke ukwuu nke na a manyere ya ịdakwasị. Columbia mepụtara windo mbu nke onye na-anya ụgbọelu iji mejupụta mkpa maka oche ụgbọelu mechiri emechi.

.Dị ka nke Disemba 15, 2006 Columbia Helicopters azụtala ụdị asambodo nke Model 107[1] na Model 234[2] site na Boeing. Ka ọ dị ugbu a [mgbe?] ụlọ ọrụ ahụ na-achọ ka FAA nyefee asambodo mmepụta (PC) iji mepụta akụkụ, na mmepụta nke PC iji mepụta ụgbọ elu abụọ ahụ.