Timberline Helicopters, Inc. is a heavy lift utility helicopter company based in Sandpoint, Idaho, United States. They offer maintenance, repair, and overhaul (MRO) services with parts, sales, and support for the UH-60 and K-MAX helicopters in utility applications. Additionally, they engage in aerospace research and development, including fabrication, composites, machining, engineering, and certification. Timberline Helicopters has evolved from a helicopter logging company to a global provider of utility and emergency support, operating a diverse fleet of 8 helicopters worldwide for firefighting, powerline construction, helicopter logging, rebuild and refurbishment services, type certification of UH-60A “Blackhawk” helicopters, and development of Supplemental Type Certificates for utility helicopters.