Boeing CH-47 Chinook the CH-47 have been developed since the helicopter entered service. The U.S. Army's first major design leap was the now-common CH-47D, which entered service in 1982. Improvements from the CH-47C included upgraded engines, composite rotor blades, a redesigned cockpit to reduce pilot workload, improved and redundant electrical systems, an advanced flight control system, and improved avionics. The latest mainstream generation is the CH-47F, which features several major upgrades to reduce maintenance, digitized flight controls, and is powered by two 4,733-horsepower Honeywell engines. A commercial model of the Chinook, the Boeing-Vertol Model 234, is used worldwide for logging, construction, fighting forest
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