Fairfield/Frostenson Airfield (U86)
Non-towered public-use airport serving Fairfield, Idaho, at 5,058 ft elevation.
Elevation5,058 ft
ControlNon-towered
Longest runway2,950 ft
Magnetic variation17° E
High elevation. At 5,058 ft, density altitude on a warm day can be thousands of feet higher. Check performance with the density altitude calculator.
Live weather
Forecast (TAF)
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Frequencies
| CTAF | 122.9 |
|---|
Runways
| Runway | Size | Surface | Lights |
|---|---|---|---|
| 08/26 | 2,950 × 40 ft | Dirt |
No fuel listed. Sectional: Salt Lake City.
Nearby airports
U93Magic Reservoir18 NM E1U9Pine24 NM WKSUNFriedman Memorial24 NM NEKGNGGooding Municipal26 NM S55HAtlanta32 NM NWU89Glenns Ferry Municipal33 NM SW
Before you fly here
- Read the FAA Chart Supplement entry for U86: traffic pattern, CTAF/UNICOM, hours, fuel and remarks.
- Check NOTAMs and get a weather briefing at 1800wxbrief.com.
- Study the airport diagram and the sectional around U86 for airspace and terrain.
- More detail: AirNav · SkyVector
Airport data from the FAA National Airspace System Resource (NASR) subscription effective Oct 1, 2026; magnetic variation as published for 1985. Weather is live from aviationweather.gov. Always confirm with current official sources before flight. This guide is a study aid.