Airport information
- FAA LID
- 20IS
- Coordinates
- 42.4972, -89.7918
- Elevation
- 777 ft MSL
- Magnetic variation
- 1E
- Sectional chart
- CHICAGO
- Airport use
- Private
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- KANKAKEE
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1986/10
- Distance from city
- 1 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 | 04:47 AM | 09:47Z |
| Sunrise | 05:22 AM | 10:22Z |
| Sunset | 08:40 PM | 01:40Z |
| Evening civil twilight Loggable night begins | 09:15 PM | 02:15Z |
Plan a flight from 20IS
Traffic pattern
- Landing
- Rwy 15
- Pattern
- left (turns left)
- TPA
- 1,800 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 15 at 1,800 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 15/33
2,000 ft × 75 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Heading
- n/a
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 15/33 | 2,000 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| JVL · Janesville | VOR-DME | 114.30 | r260° / 30.6 NM |
| RFD · Rockford | VOR-DME | 110.80 | r301° / 30.9 NM |
| PLL · Polo | VOR-DME | 111.20 | r337° / 34.1 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 20IS. VFR sectional link above.
Ownership & management
Remarks FAA
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
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 20IS 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 20IS
Mitek Airport (20IS) is an airport in Winslow, IL, at 777 ft MSL. It has 1 runway, the longest 2,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 20IS, refreshed from the Aviation Weather Center and FAA NASR.
Does 20IS have a control tower?
No. Mitek Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 20IS?
Mitek Airport has 1 runway; the longest is 2,000 ft. See the Runways tab for headings, surface, and lighting.
Where is 20IS?
Mitek Airport is in Winslow, IL, at an elevation of 777 ft MSL. Coordinates: 42.4972, -89.7918.
Fly out of 20IS often?
Save 20IS 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.