Airport information
- FAA LID
- 4LL7
- Coordinates
- 42.0017, -88.6649
- Elevation
- 850 ft MSL
- Magnetic variation
- 0W
- Sectional chart
- CHICAGO
- Airport use
- Private
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- KANKAKEE
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 1967/04
- Distance from city
- 4 N
Weather
METAR observed
Loading current weather…
TAF forecast
Loading forecast…
Sun & FAA night 2026-06-21
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:45 AM | 09:45Z |
| Sunrise | 05:19 AM | 10:19Z |
| Sunset | 08:34 PM | 01:34Z |
| Evening civil twilight Loggable night begins | 09:08 PM | 02:08Z |
Plan a flight from 4LL7
Traffic pattern
- Landing
- Rwy E
- Pattern
- left (turns left)
- TPA
- 1,900 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy E at 1,900 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway E/W
2,800 ft × 100 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Heading
- n/a
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| E/W | 2,800 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| DPA · Du Page | VOR-DME | 108.40 | r294° / 15.6 NM |
| RFD · Rockford | VOR-DME | 110.80 | r118° / 27.3 NM |
| JOT · Joliet | VORTAC | 112.30 | r329° / 31.4 NM |
| OBK · Northbrook | VOR-DME | 113.00 | r250° / 34.4 NM |
| PLL · Polo | VOR-DME | 111.20 | r083° / 38.4 NM |
| JVL · Janesville | VOR-DME | 114.30 | r146° / 38.7 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 4LL7. VFR sectional link above.
Services
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management
Remarks FAA
- EXISTED PRIOR TO 1959.
- FARM BLDGS TO NORTH.
- FOR CD CTC CHICAGO APCH AT 847-289-0926.
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 4LL7 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 4LL7
Willadae Farms Airport (4LL7) is an airport in Sycamore, IL, at 850 ft MSL. It has 1 runway, the longest 2,800 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4LL7, refreshed from the Aviation Weather Center and FAA NASR.
Does 4LL7 have a control tower?
No. Willadae Farms Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 4LL7?
Willadae Farms Airport has 1 runway; the longest is 2,800 ft. See the Runways tab for headings, surface, and lighting.
Where is 4LL7?
Willadae Farms Airport is in Sycamore, IL, at an elevation of 850 ft MSL. Coordinates: 42.0017, -88.6649.
Fly out of 4LL7 often?
Save 4LL7 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.