Johnson Airport
IS94 · Sandwich, IL · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:40 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:21 AM | 10:21Z |
| Sunrise | 05:52 AM | 10:52Z |
| Sunset | 08:09 PM | 01:09Z |
| Evening civil twilight Loggable night begins | 08:40 PM | 01:40Z |
Plan a flight from IS94
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 27LEFT traffic
- Heading
- 270° true
- Dimensions
- 1,800 × 50 ft
- TPA
- 1,700 ft MSL (≈1,000 AGL) · standard
- Surface
- TURF
Enter the left downwind (heading 090°) on the 45° at 1,700 ft MSL (≈1,000 AGL).
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 1,800 ft |
Prefer one flat page? Full runway details for IS94 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the IS94 kneeboard →
Comms & NavAids
Nearby navigation aids
JOT 112.30 · DPA 114.55
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| JOT · Joliet | VOR/DME | 112.30 · 70X | High | r281° / 15.8 NM |
| DPA · Dupage | VOR/DME | 114.55 · 92Y | Low | r217° / 22.1 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for IS94 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- IS94
- Coordinates
- 41.6056, -88.6612
- Elevation
- 667 ft MSL
Detailed FAA facility data isn't available for this airport.
No published services or facility detail for IS94.
Nearby airports
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Also nearby: 49IL Walnut Creek Airport (private) (2 NM) · IS65 Woodlake Landing Airport (private) (2 NM) · 93LL Hemmingsen Airport (3 NM) · 2LL1 Cwian Field (4 NM) · 0C8 Cushing Field Ltd Airport (6 NM) · 0LL6 Gord Airport (private) (6 NM)
About IS94
Johnson Airport (IS94) is an airport in Sandwich, IL, at 667 ft MSL. It has 1 runway, the longest 1,800 ft. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for IS94, refreshed from the Aviation Weather Center and FAA NASR.
What is the longest runway at IS94?
Johnson Airport has 1 runway; the longest is 1,800 ft. See the Runways section for headings, surface, and lighting.
Where is IS94?
Johnson Airport is in Sandwich, IL, at an elevation of 667 ft MSL. Coordinates: 41.6056, -88.6612.
Fly out of IS94 often?
Save IS94 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.
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 IS94 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.