Vernonia Municipal Airport (FAA LID: 05S) is a city-owned, public-use airport located two nautical miles (3.7 km) west of the central business district of Vernonia, Oregon.

[1] Vernonia Municipal Airport covers an area of 47 acres (19 ha) at an elevation of 647 feet (197 m) above mean sea level.

It has one runway designated 9/27 with a turf surface measuring 2,940 by 45 feet (896 x 14 m).

[1] For the 12-month period ending February 12, 2007, the airport had 3,000 general aviation aircraft operations, an average of 250 per month.

At that time there were 5 aircraft based at this airport, all single-engine.