Boeing engine started in 1943 and Boeing's gas turbines were designated models 502 (T50), 520 (T60), 540, 551 and 553. Boeing built 2,461 engines before production ceased in April 1968. Many applications of the Boeing gas turbine engines were considered to be firsts, including the first turbine-powered helicopter and boat. Vertol Aircraft Corporation was acquired by Boeing in 1960, and was reorganized as Boeing's Vertol division. The twin-rotor CH-47 Chinook, produced by Vertol, took its first flight in 1961. This heavy-lift helicopter remains a work-horse vehicle to the present day. In 1964, Vertol also began production of the CH-46 Sea Knight.
Chinook Observer of the family that owns the EO Media Group, who served as publisher for 28 years. In 2017 Kari Borgen succeeded Pero in that role. As of 2018 the paper's circulation was 6700. The original Linotype machine, a Mergenthaler, was taken out of service in the 1970s and is on loan to the Columbia Pacific Heritage Museum in Ilwaco, Washington. Chinook Observer The Chinook Observer is a weekly newspaper serving the Long Beach Peninsula of Washington state. It is named after Chinook, Washington, where the paper was founded in 1900 by George Hibbert and Frank Gaither. Hibbert sold the paper