Mud Lake/West Jefferson County/ Airport

1U2 · Mud Lake, ID · 4,787 ft elevation · var 16E · Non-towered

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

FAA LID: 1U2
Coordinates: 43.8482, -112.4990
Elevation: 4,787 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
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

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-21

Event	Local (MDT)	UTC
Morning civil twilight Loggable night ends	05:11 AM	11:11Z
Sunrise	05:48 AM	11:48Z
Sunset	09:16 PM	03:16Z
Evening civil twilight Loggable night begins	09:52 PM	03:52Z

Loggable night (§1.1)

09:52 PM → 05:11 AM

Night currency (§61.57)

10:16 PM → 04:48 AM

Plan a flight from 1U2

Destination (ICAO)

TAS (kt)Burn (gph)Reserve (hr)Wind from (°)Wind (kt)

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 in the live weather panel above.

Traffic pattern

Landing runway

LEFT traffic

Landing: Rwy 02 · 037°
Pattern: left (turns left)
TPA: 5,800 ft MSL (≈1,000 AGL)
CTAF: 122.9

Enter the left downwind for Rwy 02 at 5,800 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 02/20

3,300 ft × 40 ft · ASPH-G

Heading: 037° mag · 53° true

Heading: 340° mag · 356° true

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
02/20	3,300 ft

Communication frequencies

Service	Frequency	Notes
CTAF	122.9

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
DBS · Dubois	VORTAC	116.90	r206° / 19.1 NM
IDA · Idaho Falls	VOR-DME	113.85	r301° / 27.3 NM

Chart Supplement FAA A/FD

Open PDF ↗

Preview Chart Supplement

VFR sectional

Open 1U2 on the VFR sectional (SkyVector) ↗

Services

Bottled oxygen: NONE
Bulk oxygen: NONE
Airframe service: MAJOR
Powerplant service: MAJOR
Parking: tiedowns
Other services: Agricultural

Ownership & management

Owner

CITY OF MUD LAKE

PO BOX 131, TERRETON, ID

208-663-4840

Manager

1583N 1000 E, MUD LAKE, ID

208-663-4840

Remarks FAA

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.
LOW INTST THR LGTS RWY 22; FST 600 FT RWY HAS LOW INTST EDGE LGTS; RMNG 2700 FT OF RWY ILLUMINATED WITH SOLAR LGTS.
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

U41 · Dubois Municipal Airport (22 NM)U97 · Howe Airport (24 NM)U37 · Midway Airport (27 NM)KIDA · Idaho Falls Regional Airport (27 NM)U56 · Rigby Airport (28 NM)KRXE · Rexburg Madison County Airport (30 NM)

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.

About 1U2

Mud Lake/West Jefferson County/ Airport (1U2) is an airport in Mud Lake, ID, at 4,787 ft MSL. It has 1 runway, the longest 3,300 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/ Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.

What is the longest runway at 1U2?

Mud Lake/West Jefferson County/ Airport has 1 runway; the longest is 3,300 ft. See the Runways tab for headings, surface, and lighting.

Where is 1U2?

Mud Lake/West Jefferson County/ Airport is in Mud Lake, ID, at an elevation of 4,787 ft MSL. Coordinates: 43.8482, -112.4990.

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