Atomic City, Idaho
U48 Coxs Well
Coxs Well (U48) is a non-towered, public-use airport in Atomic City, Idaho, at 5,048 ft MSL. Its runway is 07/25 (2,700 by 100 ft, turf). CTAF 122.9.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- FAA U48
- Location
- Atomic City, Idaho (Blaine County). 23 NM SW of the city center
- Elevation
- 5,048 ft MSL
- Position
- 43.2178° N, 113.2276° W
- Control tower
- No, non-towered
- Sectional chart
- Salt Lake City
- Magnetic variation
- 16° E (1985)
- Ownership
- Publicly owned, open to the public
- Attendance
- Unattended
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 07/25 | 2,700 × 100 ft | Turf, fair condition | Not listed |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 07 | Left traffic | None listed | None listed | None listed | Not listed |
| 25 | Left traffic | None listed | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.9
Before you go
Brief U48 in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Coxs Well, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.