Helicopter manufacturer Helicopter manufacturer Helicopter manufacturers belong to the broader category of aerospace manufacturers. It is useful to think of helicopter manufacturers as falling into two categories, those that can design, certify and manufacture new helicopter designs from scratch and those that can only manufacture extant designs under license. Boeing Vertol is an example of the first type and Kawasaki Heavy Industries, who license-produced Boeing Vertol designs for much of its recent history, is an example of the second type. The peace dividend at the end of the Cold War and the increased cost of developing new helicopters has seen a consolidation
Chinook Pass Chinook Pass Chinook Pass (elevation 5430 ft./1656 m.) is a pass through the Cascade Range in the state of Washington. The pass provides the east entrance to Mount Rainier National Park, and carries State Route 410 between the towns of Enumclaw and Naches. Because of the high elevation, Chinook Pass is usually closed in November due to very heavy snow and significant avalanche danger. It usually opens in mid May and is not uncommon to have a snow depth at the summit of up to 15 feet. As part of the All-American Road program, Route 410 through Chinook Pass has