Cornell Municipal Airport Private
4WI9 · Cornell, WI · 1,154 ft elevation · var 1E · Non-towered
Airport information
- FAA LID
- 4WI9
- Coordinates
- 45.1651, -91.1056
- Elevation
- 1,154 ft MSL
- Magnetic variation
- 1E
- Sectional chart
- GREEN BAY
- Airport use
- Private
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- GREEN BAY
- Attendance
- ALL 0800-1700
- Beacon
- white-green (SEE RMK)
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1950/10
- Distance from city
- 2 E
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 | 04:39 AM | 09:39Z |
| Sunrise | 05:17 AM | 10:17Z |
| Sunset | 08:55 PM | 01:55Z |
| Evening civil twilight Loggable night begins | 09:33 PM | 02:33Z |
Plan a flight from 4WI9
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SEE RMK
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 09
- Pattern
- left (turns left)
- TPA
- 2,200 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 09 at 2,200 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 09/27
2,420 ft · Asphalt (Fair)- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Road, 15 ft, 260 ft from threshold, 120 ft L of centerline — 4:1 slope to clear · penetrates the 20:1 visual approach surface
- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Tree, 34 ft, 1,000 ft from threshold, 200 ft R of centerline — 23:1 slope to clear
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 2,420 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| UNICOM | 122.8 |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| EAU · Eau Claire | VORTAC | 112.90 | r040° / 22.5 NM |
| RPD · Rice Lake | VOR-DME | 110.00 | r117° / 32.1 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 4WI9. VFR sectional link above.
Services
- Fuel available
- 100LL, MOGAS
- Airframe service
- MINOR
- Powerplant service
- MINOR
- Parking
- tiedowns, hangars
- Other services
- Aircraft sales
Ownership & management
Remarks FAA
- PRVDD CLEAR 20:1 APCHS, CLEAR RY SAFETY AREA, CLEAR OBSTACLE FREE ZONE, AND CONTACT CHI FPO 18 MONTHS IN ADVANCE FOR FUTURE IAP.
- FOR ROTG BCN KEY 122.8 5 CLICKS.
- CONFIRM WINTER COND & SNOW REMOVAL WITH AMGR CALL 715-239-3716.
- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
- FOR LIRL RY 9/27 KEY 122.8 3 CLICKS.
- NSTD LIRL; THLD LGTS RED. LIRL OTS INDEFLY.
Nearby airports
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 4WI9 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 4WI9
Cornell Municipal Airport (4WI9) is an airport in Cornell, WI, at 1,154 ft MSL. It has 1 runway, the longest 2,420 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4WI9, refreshed from the Aviation Weather Center and FAA NASR.
Does 4WI9 have a control tower?
No. Cornell Municipal Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 4WI9?
Cornell Municipal Airport has 1 runway; the longest is 2,420 ft. See the Runways tab for headings, surface, and lighting.
Where is 4WI9?
Cornell Municipal Airport is in Cornell, WI, at an elevation of 1,154 ft MSL. Coordinates: 45.1651, -91.1056.
Fly out of 4WI9 often?
Save 4WI9 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.