National Helicopter Museum National Helicopter Museum traces the evolution of the rotary wing from early predecessors like the boomerang and Chinese tops to designs by Leonardo da Vinci and George Cayley to early motorized experiments to modern helicopters of today. Igor Sikorsky's first helicopter success in Stratford on September 14, 1939 is documented as well as his subsequent productions. Also displayed are the small gas turbine engines developed locally by Dr. Anselm Franz at Avco Lycoming which power such helicopters as the Bell Helicopter UH-1 Iroquois or "Huey" and the Boeing CH-47 Chinook. Other exhibits include ones on tilt rotor development; current photos
Chinook, Washington income for a family was $40,000. Males had a median income of $40,568 versus $20,625 for females. The per capita income for the CDP was $17,198. About 13.2% of families and 18.2% of the population were below the poverty line, including 40.8% of those under age 18 and none of those age 65 or over. Chinook, Washington Chinook is a census-designated place (CDP) in Pacific County, Washington, United States. The population was 457 at the 2000 census and increased to 466 at the 2010 census. Chinook was the site of the first court in Pacific County in 1853, as well