Cascade Airways was an airline in the northwest United States which flew primarily regional air routes out of Seattle, Washington. Founded in 1969, it operated for 17 years and was shut down in 1986. Its IATA code (CZ) was later assigned to China Southern Airlines which was formed two years after Cascade's shutdown.
Cascade Airways Beechcraft 99 Airliner at Los Angeles in 1973
A Metro III at Spokane in 1983.
Tri-Cities Airport (Washington)
Tri-Cities Airport is a public airport in the northwest United States in Franklin County, Washington. Located two miles (3 km) northwest of Pasco, it serves the Tri-Cities metropolitan area in southeast Washington, and is the third largest commercial airport in the state. The facility has three runways and covers 2,235 acres.
View of passenger terminal from apron in 2017
FAA airport diagram as of January 2021
The terminal at night