Woltermann Memorial Airport (FAA LID: 6S3) is a public use airport located southeast of Columbus, a city in Stillwater County, Montana, United States.

[1] Owned by the city and county,[1] it was formerly known as Columbus Airport.

[3] Woltermann Memorial Airport covers an area of 128 acres (52 ha) at an elevation of 3,578 feet (1,091 m) above mean sea level.

It has one runway designated 10/28 with an asphalt surface measuring 3,800 by 75 feet (1,158 x 23 m).

[1] For the 12-month period ending May 17, 2022, the airport had 6,030 aircraft operations, an average of 116 per week: 99% general aviation, <1% air taxi, and <1% military.