Boeing CH-47 Chinook fires, and supporting petroleum extraction operations. In December 2006, Columbia Helicopters Inc purchased the type certificate of the Model 234 from Boeing. The Chinook has also been licensed to be built by companies outside the United States, such as Elicotteri Meridionali (now AgustaWestland) in Italy and Kawasaki in Japan. The Army finally settled on the larger Chinook as its standard medium-transport helicopter, and as of February 1966, 161 aircraft had been delivered to the Army. The 1st Cavalry Division had brought its organic Chinook battalion when it arrived in 1965 and a separate aviation medium helicopter company, the 147th, had
Chinook Peak maritime influence, snow tends to be wet and heavy, resulting in high avalanche danger. Chinook Peak Chinook Peak is a summit located on the eastern border of Mount Rainier National Park. It is also on the shared border of Pierce County and Yakima County in Washington state. Chinook Peak is situated north of Chinook Pass on the crest of the Cascade Range. Its nearest higher peak is Crystal Mountain, to the north. Cupalo Rock is one mile to the east-northeast. Precipitation runoff from Chinook Peak drains into tributaries of the White River and Yakima River. Chinook Peak is located in