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 Wines by wine experts such as Paul Gregutt to be "the classic expression of Yakima Valley fruit". Chinook's work with Cabernet franc, in particular, has garnered the statewide acclaim with the dry Cabernet franc "rosé" often described in wine reviews as a "Washington Chinon". The winery is named after the Chinook wind that blows through the Pacific Northwest rather than the Chinook salmon that is also common to the region. Chinook was founded in 1983 in the Yakima Valley by the wife-husband team of Kay Simon and Clay Mackey who met while both were working at Chateau Ste. Michelle with Simon