Big Southern Butte Airport
U46 · Atomic City, Idaho · Butte County · map
Big Southern Butte Airport is a public-use airport, 10 miles west of Atomic City, Idaho, 5,073 feet above sea level. Its one runway, 01/19, is 2,600 feet of dirt.
The airport
- Codes
- FAA U46
- Kind
- Airport · open to the public · publicly owned
- Elevation
- 5,073 feet above sea level
- Control tower
- No control tower
- Attended
- unattended
- Repairs
- airframe: none; engine: none
- Parking
- tiedown
- On the chart
- Salt Lake City sectional
- Magnetic variation
- 16E
- In the FAA's files since
- June 1951
Runway
Drawn to scale from the FAA's runway positions, north up. Not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 01/19 | 2,600 × 110 ft | Dirt, fair |
- Runway 19: road on the approach
Radio frequencies
| Common traffic advisory (CTAF) | 122.9 |
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Atomic City from the FAA register
No aircraft on the register list Atomic City, ID as the owner's town.
Accidents and incidents at or near this airport NTSB records
No NTSB accident or incident records name this airport.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Existed prior to 15 may 1959.
- No winter maintenance.
- 01/19 edges and thlds marked with white rock boundary mkrs (bms).
- 14 feet road 150 feet on extdd centerline.
- Livestock on and in the vicinity of airport.
- Runway 01/19 surface condition poor due to livestock dmg, gnd vehicles, rodents, and vegetation.
- Runway 01/19 +1.5 feet berm and -1 feet ditch adjacent to entire perimeter of runway.
- Aprt located in desolate area - no services available.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.