Lake Country
W11 · Sullivan, WI · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-19 · night begins 07:26 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:10 AM | 11:10Z |
| Sunrise | 06:38 AM | 11:38Z |
| Sunset | 06:58 PM | 23:58Z |
| Evening civil twilight Loggable night begins | 07:26 PM | 00:26Z |
Plan a flight from W11
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 18LEFT traffic
- Heading
- 180° mag · 180° true
- Dimensions
- 2,300 × 70 ft
- TPA
- 1,800 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
- Displaced thr
- 500 ft
- CTAF
- 122.9
Enter the left downwind (heading 000°) on the 45° at 1,800 ft MSL (≈1,000 AGL).
More details — RWY 18
- Threshold elev
- 839 ft
- Markings
- none
- Approach obstacle
- Tree, 25 ft, 160 ft from threshold, 110 ft L of centerline — 6:1 slope to clear · penetrates the 20:1 visual approach surface
Pattern side + displaced threshold: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 06/24 | 4,558 ft | |
| 18/36 | 2,300 ft |
Prefer one flat page? Full runway details for W11 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the W11 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
BAE 116.40 · BJB 109.80 · MSN 108.60 · +1
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| BAE · Badger | VOR/DME | 116.40 · 111X | High | r243° / 15.5 NM |
| BJB · West Bend | VOR | 109.80 | Terminal | r221° / 32.6 NM |
| MSN · Madison | VORTAC | 108.60 · 23X | Low | r101° / 33.3 NM |
| JVL · Janesville | VOR/DME | 114.30 · 90X | Low | r036° / 34.8 NM |
Prefer one flat list? All W11 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- W11
- Coordinates
- 43.0073, -88.6052
- Elevation
- 843 ft MSL
- Magnetic variation
- 0W
- Sectional chart
- CHICAGO
- Airport use
- Public
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- GREEN BAY · 122.2 · 1-800-WX-BRIEF
- NOTAM facility
- GRB
- Attendance
- MON-FRI 0900-1700
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1991/06
- Distance from city
- 1 SW
Night operations
- Airport lighting
- SEE RMK
- Pilot-controlled lighting
- ACTVT LIRL RWY 06/24 - 3 CLICKS CTAF. on 122.9 — 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
- Fuel available
- 100LL
- Airframe service
- MINOR
- Powerplant service
- MINOR
- Parking
- tiedowns, hangars
- Other services
- Instruction, Rental
Ownership & management 2 contacts
Remarks FAA · 10 notes
General
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
- DEER ON & INVOF ARPT.
Runways
- MKD WITH YELLOW CONES.
- MKD WITH YELLOW CONES.
Lighting
- ACTVT LIRL RWY 06/24 - 3 CLICKS CTAF.
Obstructions
- 20 FT TREES 85 FT FM RWY END ON CNTRLN.
- 30 FT TREES 170 FT FM RWY END 30 FT R; 15 FT BRUSH 30 FT FM RWY END 60 FT L.
- APCH RATIO 20:1 TO DTHR.
- APCH RATIO 20:1 TO DTHR.
- APCH RATIO 20:1 TO DTHR.
Nearby airports
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Also nearby: 66WI J-3 Cub Field (private) (5 NM) · WN46 Battle Creek (private) (6 NM) · WI09 Heitman Field (private) (6 NM) · 88C Palmyra Municipal (7 NM) · WI76 Maggies Farm LLC (private) (8 NM) · 61C Fort Atkinson Municipal (10 NM)
About W11
Lake Country (W11) is an airport in Sullivan, WI, at 843 ft MSL. It has 2 runways, the longest 4,558 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for W11, refreshed from the Aviation Weather Center and FAA NASR.
Does W11 have a control tower?
No. Lake Country is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at W11?
Lake Country has 2 runways; the longest is 4,558 ft. See the Runways section for headings, surface, and lighting.
Where is W11?
Lake Country is in Sullivan, WI, at an elevation of 843 ft MSL. Coordinates: 43.0073, -88.6052.
More about W11
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 W11 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.