Mud Lake/West Jefferson County
1U2 · Mud Lake, 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 08:04 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:44 AM | 12:44Z |
| Sunrise | 07:12 AM | 13:12Z |
| Sunset | 07:35 PM | 01:35Z |
| Evening civil twilight Loggable night begins | 08:04 PM | 02:04Z |
Plan a flight from 1U2
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 22LEFT traffic
- Heading
- 206° mag · 222° true
- Dimensions
- 2,950 × 40 ft
- TPA
- 5,800 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- CTAF
- 122.9
Enter the left downwind (heading 026°) on the 45° at 5,800 ft MSL (≈1,000 AGL).
More details — RWY 22
- Threshold elev
- 4,788 ft
- Markings
- basic
- Approach obstacle
- Road, 12 ft, 250 ft from threshold, 150 ft L of centerline — 4:1 slope to clear · penetrates the 20:1 visual approach surface
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 04/22 | 2,950 ft |
Prefer one flat page? Full runway details for 1U2 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 1U2 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
DBS 116.90 · IDA 113.85
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| DBS · Dubois | VORTAC | 116.90 · 116X | High | r207° / 19 NM |
| IDA · Idaho Falls | VOR/DME | 113.85 · 85Y | High | r302° / 27.5 NM |
Prefer one flat list? All 1U2 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 1U2
- Coordinates
- 43.8513, -112.5010
- Elevation
- 4,795 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
- MAY-OCT ALL 0800-1700; NOV-APR IREG IREG
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1972/12
- Distance from city
- 1 NW
Night operations
- Airport lighting
- SS-SR
- Rotating beacon
- white-green · SS-SR
- 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
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns
- Other services
- Agricultural
Ownership & management 2 contacts
Remarks FAA · 10 notes
General
- NGT OPS RECOMMENDED ONLY TO PLTS FAMILIAR WITH ARPT APCHS AND SURROUNDING TERRAIN.
- LIRL RWY 22 & ROTG BCN INOP EACH YEAR FM 1 NOV - 1 APR.
- CFM SN REMOVAL & WINT COND WITH AMGR: 208-663-4840.
- EMERG FUEL SVC ONLY (JET-A & 100LL). CALL AMGR AT 208-663-4840.
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
Lighting
- LOW INTST THR LGTS RWY 22; FST 600 FT RWY HAS LOW INTST EDGE LGTS; RMNG 2700 FT OF RWY ILLUMINATED WITH SOLAR LGTS.
Obstructions
- 17 FT HWY AT 80 FT ON CNTRLN, FM END OF PAVEMENT.
- 17 FT ROAD AT 580 FT, 33:1 FM THR.
- THR 450 FT FM 15 FT ROAD. 22:1 SLP FM THR.
- ADDNL OBSTN: 12 FT STOP SIGN AT 540 FT ON CNTRLN, +40 FT POLE AT 650 FT, 130 FT RIGHT FM EXTDD CNTRLN.
Nearby airports
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Also nearby: U41 Dubois Municipal (22 NM) · U97 Howe (24 NM) · U37 Midway (27 NM) · U56 Rigby (28 NM)
About 1U2
Mud Lake/West Jefferson County (1U2) is an airport in Mud Lake, ID, at 4,795 ft MSL. It has 1 runway, the longest 2,950 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 1U2, refreshed from the Aviation Weather Center and FAA NASR.
Does 1U2 have a control tower?
No. Mud Lake/West Jefferson County is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 1U2?
Mud Lake/West Jefferson County has 1 runway; the longest is 2,950 ft. See the Runways section for headings, surface, and lighting.
Where is 1U2?
Mud Lake/West Jefferson County is in Mud Lake, ID, at an elevation of 4,795 ft MSL. Coordinates: 43.8513, -112.5010.
More about 1U2
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 1U2 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.