Coxs Well
U48 · Atomic City, ID · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-18 · night begins 08:06 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:47 AM | 12:47Z |
| Sunrise | 07:16 AM | 13:16Z |
| Sunset | 07:38 PM | 01:38Z |
| Evening civil twilight Loggable night begins | 08:06 PM | 02:06Z |
Plan a flight from U48
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 25LEFT traffic
- Heading
- 248° mag · 264° true
- Dimensions
- 2,700 × 100 ft
- TPA
- 6,000 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
- CTAF
- 122.9
Enter the left downwind (heading 068°) on the 45° at 6,000 ft MSL (≈1,000 AGL).
More details — RWY 25
- Threshold elev
- 5,048 ft
- Approach obstacle
- Fence, 5 ft, 175 ft from threshold, 0 ft B of centerline — 35:1 slope to clear
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 07/25 | 2,700 ft |
Prefer one flat page? Full runway details for U48 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the U48 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
PIH 112.60
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| PIH · Pocatello | VOR/DME | 112.60 · 73X | High | r293° / 32.7 NM |
Prefer one flat list? All U48 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- U48
- Coordinates
- 43.2178, -113.2276
- Elevation
- 5,048 ft MSL
- Magnetic variation
- 16E
- Sectional chart
- SALT LAKE CITY
- Airport use
- Public
- Control tower
- No
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- BOISE · 122.6 · 1-800-WX-BRIEF
- NOTAM facility
- BOI
- Attendance
- UNATNDD
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1951/06
- Distance from city
- 23 SW
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management 2 contacts
Remarks FAA · 5 notes
General
- NO WINTER MAINTENANCE.
- RY 07/25 SFC MAY BE POOR DUE TO DAMAGE BY LIVESTOCK; GROUND VEHICLES AND RODENTS.
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
Runways
- 07/25 EDGES & THLDS MKD WITH WHITE ROCK.
Obstructions
- 14' RD AT 50' ON CNTRLN.
Nearby airports
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Also nearby: U46 Big Southern Butte (15 NM) · 1U0 Bear Trap (16 NM) · 0U7 Hollow Top (17 NM) · U37 Midway (23 NM) · U36 Aberdeen Municipal (23 NM)
About U48
Coxs Well (U48) is an airport in Atomic City, ID, at 5,048 ft MSL. It has 1 runway, the longest 2,700 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for U48, refreshed from the Aviation Weather Center and FAA NASR.
Does U48 have a control tower?
No. Coxs Well is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at U48?
Coxs Well has 1 runway; the longest is 2,700 ft. See the Runways section for headings, surface, and lighting.
Where is U48?
Coxs Well is in Atomic City, ID, at an elevation of 5,048 ft MSL. Coordinates: 43.2178, -113.2276.
More about U48
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open U48 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
Something here wrong or out of date? Report a data problem.