Boulder (3U9) in Boulder, Montana has 1 runway. Runway 11/29 is 3,675 ft long and 72 ft wide. It is turf. The airport elevation is 4,968 ft MSL. No control tower is listed, so use standard non-towered procedures and monitor CTAF as published in the current FAA Chart Supplement. No ILS runway ends are published for this field. No LAHSO notes are published. No runway-specific noise abatement notes are published. For current airport details, check the current FAA Chart Supplement before flight.
Wind & favored runway
Favored end is picked from the current METAR wind at 3U9.
Pattern entry · RWY 29
LEFT TRAFFICAll runways
Traffic pattern
Pattern altitude is not published. Use standard 1,000 ft AGL for light piston unless local procedures or ATC say otherwise. At this non-towered field, pilots self-announce and sequence themselves in the pattern. Runway 11/29 is the only runway, so traffic will center on that turf strip. Verify wind, density altitude and runway condition before committing to the pattern. Use the current FAA Chart Supplement for any local pattern notes 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.