Lake Billy Chinook Airport,[2] also known as Lake Billy Chinook State Airport,[1] (FAA LID: 5S5) is a public use airport located six nautical miles (7 mi, 11 km) west of the central business district of Culver, a city in Jefferson County, Oregon, United States.

Lake Billy Chinook Airport covers an area of 29 acres (12 ha) at an elevation of 2,695 feet (821 m) above mean sea level.

It has one runway designated 16/34 with an asphalt surface measuring 2,500 by 32 feet (762 x 10 m).

[1] For the 12-month period ending April 13, 2010, the airport had 560 general aviation aircraft operations, an average of 46 per month.

At that time there were 10 aircraft based at this airport: 90% single-engine and 10% multi-engine.