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| FAA Information Effective: | 2013-12-12 |
| Airport Identifier: | 3U9 |
| Airport Status: | Operational |
| Longitude/Latitude: | 112-06-27.4000W/46-12-42.0000N -112.107611/46.211667 (Estimated) |
| Elevation: | 4968 ft / 1514.25 m (Estimated) |
| Land: | 32 acres |
| From nearest city: | 2 nautical miles S of Boulder, MT |
| Location: | Jefferson County, MT |
| Magnetic Variation: | 17E (1985) |
| Ownership: | Publicly owned |
| Owner: | Twn Of Boulder & Jefferson Co |
| Address: | County Courthouse Box H Boulder, MT 59632 |
| Phone number: | 406-225-4025 |
| Manager: | Al Martini |
| Address: | Po Box 2 Boulder, MT 59632 |
| Phone number: | 406-225-9529 |
| Airport Use: | Open to public |
| Wind indicator: | Yes |
| Segmented Circle: | Yes |
| Control Tower: | No |
| Landing fee charge: | No |
| Sectional chart: | Great Falls |
| Region: | ANM - Northwest Mountain |
| Boundary ARTCC: | ZLC - Salt Lake City |
| Tie-in FSS: | GTF - Great Falls |
| FSS on Airport: | No |
| FSS Toll Free: | 1-800-WX-BRIEF |
| NOTAMs Facility: | GTF (NOTAM-d service avaliable) |
| CTAF: | 122.900 |
| Airframe Repair: | NONE |
| Power Plant Repair: | NONE |
| Bottled Oxygen: | NONE |
| Bulk Oxygen: | NONE |
| Dimension: | 3675 x 72 ft / 1120.1 x 21.9 m |
| Surface: | TURF, Fair Condition HAS 1% TO 3% UPHILL GRADIENT FROM RY 29 END TO RY 11 END. |
| Runway 11 | Runway 29 | |
|---|---|---|
| Longitude: | 112-06-47.4381W | 112-06-07.2692W |
| Latitude: | 46-12-53.5985N | 46-12-30.3795N |
| Elevation: | 4968.00 ft | 4910.00 ft |
| Alignment: | 127 | 127 |
| Traffic Pattern: | Left | Left |
| Markings: | Basic, RY 11/29 THLDS MKD WITH FADED RED CONES, EDGES MKD WITH WHITE CONES. | , |
| Obstruction: | 250 ft hill, 5000.0 ft from runway, 20:1 slope to clear | 10 ft road, 216.0 ft from runway, 21:1 slope to clear |
| NO SNOW REMOVAL |
| NO PHONE ON AIRPORT. |
| -2 FT DRAINAGE DITCH +1 FT BERM WEST SIDE OF RY FULL LENGTH; 43 FT FM RY 11/29 CNTRLN. |