Warren, Idaho
3U1 Warren /Usfs/
Warren /Usfs/ (3U1) is a non-towered, public-use airport in Warren, Idaho, at 5,902 ft MSL. Its runway is 12/30 (2,765 by 50 ft, dirt). 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 3U1
- Location
- Warren, Idaho (Idaho County). 0 NM NW of the city center
- Elevation
- 5,902 ft MSL
- Position
- 45.2681° N, 115.6836° W
- Control tower
- No, non-towered
- Sectional chart
- Great Falls
- Magnetic variation
- 18° E (1985)
- Ownership
- Publicly owned, open to the public
- Attendance
- Unattended
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 12/30 | 2,765 × 50 ft | Dirt, fair condition | Not listed |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 12 | Left traffic | None listed | None listed | None listed | Not listed |
| 30 | Left traffic | None listed | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.9
Before you go
Brief 3U1 in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Warren /Usfs/, 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.