Circle Town County (4U6) in Circle, Montana has 2 runways. The longest is runway 12/30 at 4,100 ft by 75 ft. It is asphalt. Runway 03/21 is 2,280 ft by 195 ft. It is turf. No ILS runway ends are published. No control tower is listed, so use standard non-towered procedures and monitor traffic closely. The field elevation is 2,441.4 ft MSL, so density altitude can matter on warm days. No LAHSO notes are published. No noise abatement notes are published. Check the current FAA Chart Supplement for the latest airport data before flight.
Wind & favored runway
Favored end is picked from the current METAR wind at 4U6.
Pattern entry · RWY 30
LEFT TRAFFICAll runways
Traffic pattern
Pattern altitude is not published. For light piston operations, use the standard 1,000 ft AGL unless local procedure says otherwise. That puts the pattern near 3,441.4 ft MSL at this field elevation. No tower is listed, so pilots self-announce and build spacing with see-and-avoid. No right-traffic exception is published. No runway-specific pattern notes are published. Use caution when mixing the turf runway 03/21 with the asphalt runway 12/30. Verify winds with aviationweather for live METAR/TAF before departure.
Every end, one page
Each runway end has its own page with wind component, traffic pattern geometry and ILS for that specific direction.