Columbia Helicopters, Incorporated (CHI) is an aircraft manufacturing and operator company based in Aurora, Oregon, United States. It is known for operating tandem rotor helicopters; in present times, exclusively the Boeing Vertol 107 and Boeing Vertol 234. These helicopters are used in stream restoration and forestry including heli-logging, aerial firefighting, oil exploration, construction, government support, film production, disaster response and many other activities. In addition, the company operates a large FAA repair station supporting customers around the world. More information...
According to PR-model, colheli.com is ranked 415,635th in multilingual Wikipedia, in particular this website is ranked 233,275th in English Wikipedia.
The website is placed before criticalsystemsinc.com and after entrevistadeemprego.me in the BestRef global ranking of the most important sources of Wikipedia.