KLIES AIR STRIP
BASIN, MT
MT43 is the identifier for Klies Air Strip, a privately owned, non-towered airport in Basin, Montana. The airport is served by a single runway, 11/29, measuring 2,100 feet long and 30 feet wide with a turf and gravel surface.
Operations are under visual flight rules only, as no instrument approach procedures are published. The non-towered strip has no published frequencies, so pilots keep their own separation using standard see-and-avoid procedures. The field sells 100 avgas. As a private-use facility, it is not open to transient traffic without prior permission.
The field rests at 6,300 feet above mean sea level. At that elevation, density altitude is a routine consideration in warm weather.