Chippewa Valley Regional Airport

EAU · KEAU · Eau Claire, WI · 913 ft elevation · var 1E · Towered

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

ICAO / IATA: KEAU / EAU
Coordinates: 44.8658, -91.4843
Elevation: 913 ft MSL
Magnetic variation: 1E
Sectional chart: GREEN BAY
Airport use: Public
Control tower: Yes
Airspace: Class D · CLASS D SVC 0530-2030; OTHER TIMES CLASS E
Weather station: ASOS · 126.025 · ☎ 715-832-7990
ARTCC: MINNEAPOLIS (ZMP)
Flight service (FSS): GREEN BAY
NOTAM facility: EAU
Attendance: ALL 0700-2100
Beacon: white-green (SS-SR)
Segmented circle: Yes
Wind indicator: lighted
FAR 139 class: I B
Activated: 1944/11
Distance from city: 3 N

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-21

Event	Local (CDT)	UTC
Morning civil twilight Loggable night ends	04:42 AM	09:42Z
Sunrise	05:20 AM	10:20Z
Sunset	08:56 PM	01:56Z
Evening civil twilight Loggable night begins	09:33 PM	02:33Z

Loggable night (§1.1)

09:33 PM → 04:42 AM

Night currency (§61.57)

09:56 PM → 04:20 AM

Plan a flight from KEAU

Destination (ICAO)

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

Night operations

Airport lighting: SEE RMK
Rotating beacon: white-green · SS-SR
Pilot-controlled lighting: WHEN ATCT CLSD HIRL RY 04/22 PRESET ON LOW INTST; TO INCR INTST & ACTVT MALSR RY 22; REIL RWY 4; HIRL RY 04/22; REIL RY 14; PAPI RYS 14 /32; MIRL RY 14/32 - CTAF. on 118.575 — Chart Supplement ↗

Runway lighting aids — 04: 4-light PAPI (left) · 22: 4-light PAPI (left) + MALSR · 14: 4-light PAPI (left) · 32: 4-light PAPI (left).

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 04 · 044°
Pattern: left (turns left)
TPA: 1,900 ft MSL (≈1,000 AGL)
CTAF: 118.575

Enter the left downwind for Rwy 04 at 1,900 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 04/22

8,101 ft × 150 ft · Concrete (Good)

Edge lights: High. Weight bearing: Single wheel 100k, Double wheel 130k, Dual tandem 220k.

Heading: 044° mag · 45° true
Markings: precision
VGSI: 4-light PAPI (left) (3°)
Traffic pattern: Left
Approach obstacle: Road, 4 ft, 140 ft from threshold, 481 ft L of centerline
Declared TORA/TODA/ASDA/LDA: 8,101 / 8,101 / 8,101 / 7,701 ft
End lights: REIL
Displaced threshold: 400 ft

Heading: 224° mag · 225° true
Markings: precision
VGSI: 4-light PAPI (left) (3°)
Approach lights: MALSR
Instrument landing: ILS/DME · CAT I · LOC 109.5 (EAU) · GS 3.00°
Traffic pattern: Left
Declared TORA/TODA/ASDA/LDA: 8,101 / 8,101 / 7,301 / 7,301 ft

Runway 14/32

5,000 ft × 100 ft · Concrete (Fair)

Edge lights: Med. Weight bearing: Single wheel 55k, Double wheel 70k, Dual tandem 125k.

Heading: 138° mag · 139° true
Markings: nonprecision
VGSI: 4-light PAPI (left) (3°)
Traffic pattern: Left
Declared TORA/TODA/ASDA/LDA: 5,000 / 5,000 / 5,000 / 5,000 ft
End lights: REIL

Heading: 318° mag · 319° true
Markings: nonprecision
VGSI: 4-light PAPI (left) (4°)
Traffic pattern: Left
Declared TORA/TODA/ASDA/LDA: 5,000 / 5,000 / 5,000 / 5,000 ft

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
04/22	8,101 ft
14/32	5,000 ft

Communication frequencies

Service	Frequency	Notes
CTAF	118.575	WHEN ATCT CLSD HIRL RY 04/22 PRESET ON LOW INTST; TO INCR INTST & ACTVT MALSR RY 22; REIL RWY 4; HIRL RY 04/22; REIL RY 14; PAPI RYS 14 /32; MIRL RY 14/32 - CTAF.
LCL/P	118.575
GND/P	120.925
ATIS	126.025
EAU ASOS	126.025
EAU CLAIRE RCO	122.2
EAU VORTAC	113.65/83Y
EAU CLAIRE RCAG	125.3	APCH/DEP SVC PRVDD BY MINNEAPOLIS ARTCC ON FREQS 125.3/335.6 (EAU CLAIRE RCAG).
EAU CLAIRE RCAG	335.6	APCH/DEP SVC PRVDD BY MINNEAPOLIS ARTCC ON FREQS 125.3/335.6 (EAU CLAIRE RCAG).

Source: FAA NASR (current 28-day cycle).

Instrument landing systems

Runway	ILS
RWY 22	ILS/DME · CAT I · LOC 109.5 (EAU) · GS 3.00°

Source: FAA NASR (current 28-day cycle).

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
EAU · Eau Claire	VORTAC	112.90	r183° / 1.9 NM
RPD · Rice Lake	VOR-DME	110.00	r158° / 35.3 NM

Airport diagram

Open PDF ↗

Preview diagram

Procedures at a glance

Lowest mins: ILS · vertical guidance Takeoff mins / ODP ↗ Non-std alternate mins ↗

Approaches4

Minimums & Hot Spots

Chart Supplement FAA A/FD

Open PDF ↗

Preview Chart Supplement

VFR sectional

Open KEAU on the VFR sectional (SkyVector) ↗

Services

Fuel available: 100LL, Jet A
Bottled oxygen: LOW
Airframe service: MAJOR
Powerplant service: MAJOR
Parking: tiedowns, hangars
Other services: Air freight, Air ambulance, Charter, Instruction, Rental, Aircraft sales

Ownership & management

Owner

EAU CLAIRE COUNTY

721 OXFORD AVE, EAU CLAIRE, WI

715-839-4900

Manager

CHARITY ZICH

3800 STARR AVE, EAU CLAIRE, WI

715-839-6241

Remarks FAA

ARFF NOT AVBL 24 HRS. PPR FOR UNSCHEDULED ACR OPNS WITH MORE THAN 9 PASSENGER SEATS; CONTACT ARPT MGR 715-839-6241. ACR OPNS WITH MORE THAN 9 PASSENGER SEATS NA IN EXCESS OF 15 MIN BEFORE OR AFTER SKED ARR/DEP TIMES WITHOUT PPR WITH ARPT MGR AND CONFIRMATION ARFF IS AVLB PRIOR TO LDG OR TKF.
ARPT CONDS UNMON 2200 - 0500.
DEER & BIRDS ON & INVOF ARPT.
FOR CD IF UNA TO CTC ON FSS FREQ, CTC MINNEAPOLIS ARTCC AT 651-463-5588.
ALL GA ACFT PARK AT FBO.
WHEN ATCT CLSD HIRL RY 04/22 PRESET ON LOW INTST; TO INCR INTST & ACTVT MALSR RY 22; REIL RWY 4; HIRL RY 04/22; REIL RY 14; PAPI RYS 14 /32; MIRL RY 14/32 - CTAF.
FBO SVCS AVBL ON 129.625.
OTR ATNDNC TIMES CALL 715-839-4900.
ADMIN@CHIPPEWAVALLEYAIRPORT.COM.
PCR VALUE: 420/R/C/W/T
PCR VALUE: 190/R/C/W/T
ROAD 140 FT FM RWY END 481 FT LEFT OF CNTRLN.
PAPI RWY 04 22 OPR CONSLY.
APCH RATIO 50:1 AT DTHR.

Nearby airports

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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 KEAU 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 KEAU

Chippewa Valley Regional Airport (EAU · KEAU) is an airport in Eau Claire, WI, at 913 ft MSL. It has 2 runways, the longest 8,101 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KEAU, refreshed from the Aviation Weather Center and FAA NASR.

Does KEAU have a control tower?

Yes. Chippewa Valley Regional Airport has an operating FAA control tower. Check the Comms & NavAids tab for tower and ground frequencies.

What is the longest runway at KEAU?

Chippewa Valley Regional Airport has 2 runways; the longest is 8,101 ft. See the Runways tab for headings, surface, and lighting.

Where is KEAU?

Chippewa Valley Regional Airport is in Eau Claire, WI, at an elevation of 913 ft MSL. Coordinates: 44.8658, -91.4843.

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