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 a hundred years old, like Henry Broderick, the realtor, and Joshua Green, the banker." Jones estimates that in pioneer times in the 1860s there were about 100,000 speakers of Chinook Jargon. Most books written in English still use the term Chinook Jargon, but some linguists working with the preservation of a creolized form of the language used in Grand Ronde, Oregon prefer the term "Chinuk Wawa" (with the spelling 'Chinuk' instead of 'Chinook'). Historical speakers did not use the name "Chinook Wawa", however, but rather ""the Wawa"" or ""Lelang"" (from Fr. "la langue", the language, or tongue). NB "Wawa" also