Airport information
- FAA LID
- 3IS4
- Coordinates
- 42.2889, -90.3454
- Elevation
- 970 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
- Activated
- 1983/12
- Distance from city
- 3 W
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 | 04:50 AM | 09:50Z |
| Sunrise | 05:25 AM | 10:25Z |
| Sunset | 08:41 PM | 01:41Z |
| Evening civil twilight Loggable night begins | 09:16 PM | 02:16Z |
Plan a flight from 3IS4
Traffic pattern
- Landing
- Rwy 18
- Pattern
- left (turns left)
- TPA
- 2,000 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 18 at 2,000 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 18/36
2,900 ft × 100 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Road, 300 ft from threshold
- Displaced threshold
- 300 ft
- Heading
- 197° mag · 198° true
- Traffic pattern
- Left
- Approach obstacle
- Fence, 4 ft, 200 ft from threshold
| Runway | Length | Your margin |
|---|---|---|
| 18/36 | 2,900 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| DBQ · Dubuque | VORTAC | 115.80 | r109° / 17.5 NM |
| CVA · Davenport | VORTAC | 113.80 | r006° / 35.4 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 3IS4. 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 3IS4 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 3IS4
Merkle Airport (3IS4) is an airport in Hanover, IL, at 970 ft MSL. It has 1 runway, the longest 2,900 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 3IS4, refreshed from the Aviation Weather Center and FAA NASR.
Does 3IS4 have a control tower?
No. Merkle Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 3IS4?
Merkle Airport has 1 runway; the longest is 2,900 ft. See the Runways tab for headings, surface, and lighting.
Where is 3IS4?
Merkle Airport is in Hanover, IL, at an elevation of 970 ft MSL. Coordinates: 42.2889, -90.3454.
Fly out of 3IS4 often?
Save 3IS4 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.