Boulder Airport (3U9)
Boulder Airport (3U9)
3U9
Boulder Airport (3U9)
Boulder, MT
| FAA Information Effective | 2026-07-09 |
| Airport Identifier | 3U9 |
| Airport Status | Operational |
| Longitude/Latitude |
112°6'27.4000"
W /
46°12'42.0000"
N -112.107611 / 46.211667 (Estimated) |
| Elevation | 4968.00 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) |
| Airport Use | Open to public |
| Wind indicator | Yes |
| Segmented Circle | Yes |
| Control Tower | NON-ATCT |
| Landing fee charge | No |
| Sectional chart | GREAT FALLS |
| Region | ANM - Northwest Mountain |
| Responsible 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 available) |
Runway 11/29
| Dimensions | 3675 x 72 ft (1120 x 22 m) |
| Surface | TURF (FAIR) |
| Surface treatment |
| 11 | 29 | |
|---|---|---|
| Alignment | 130° | 310° |
| Physical elevation | 4968.00 ft | 4910.00 ft |
| Coordinates | 46.214889 / -112.113177 | 46.208439 / -112.102019 |
| Traffic pattern | Left | Left |
| Runway marking | Nonstandard , Good Condition | Nonstandard , Good Condition |