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 Jargon interact with the First Nations people living there. The old settler families' heirs in the Pacific Northwest sent communiques to each other, stylishly composed entirely in "the Chinook". Many residents of the British Columbia city of Vancouver spoke Chinook Jargon as their first language, even using it at home in preference to English. Among the first Europeans to use Chinook Jargon were traders, trappers, Voyageurs, Coureurs des bois and Catholic missionaries. Hawaiians and American in the region made much use of it as well. In some places Kanakas married into the First Nations and non-native families and their particular mode