| Boulder Airport 3U9 (Boulder, MT) Class G: untowered Elevation: 4968
Chart Supplement (pdf version) BOULDER (3U9)
2 S UTC–7(–6DT) N46º12.70´ W112º06.46´ 4968 NOTAM FILE GTF
RWY 11–29: 3675X72 (Turf) AIRPORT REMARKS: Unattended. No snow removal. Runway 11–29 Nonstandard markings, thresholds and edges marked with white cones. 1.6% up W –2´ drainage ditch +1´ berm west side of runway full length, 43´ from Runway 11–29 centerline. AIRPORT MANAGER: (406) 431-7519 COMMUNICATIONS: CTAF 122.9 CLEARANCE DELIVERY PHONE: For clearance delivery contact Helena Approach at 406-449-5756/5761, when Approach closed contact Salt Lake ARTCC at 801-320-2568. |
no instrument approaches |
Database updated: 2026/03/19