Untied Acres Airport
IS83 · Belvidere, 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 08:42 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:19 AM | 10:19Z |
| Sunrise | 05:51 AM | 10:51Z |
| Sunset | 08:11 PM | 01:11Z |
| Evening civil twilight Loggable night begins | 08:42 PM | 01:42Z |
Plan a flight from IS83
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
- 2,000 × 70 ft
- TPA
- 1,800 ft MSL (≈1,000 AGL) · standard
- Surface
- TURF
Enter the left downwind (heading 090°) on the 45° at 1,800 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 | 2,000 ft |
Prefer one flat page? Full runway details for IS83 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the IS83 kneeboard →
Comms & NavAids
Nearby navigation aids
JVL 114.30 · DPA 114.55 · OBK 113.00
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| JVL · Janesville | VOR/DME | 114.30 · 90X | Low | r140° / 24.9 NM |
| DPA · Dupage | VOR/DME | 114.55 · 92Y | Low | r316° / 27.5 NM |
| OBK · Northbrook | VOR/DME | 113.00 · 77X | High | r273° / 36.3 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for IS83 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- IS83
- Coordinates
- 42.2275, -88.7672
- Elevation
- 800 ft MSL
Detailed FAA facility data isn't available for this airport.
No published services or facility detail for IS83.
Nearby airports
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Also nearby: IL34 Henderson Field (private) (1 NM) · 0LL0 Kaufield Airport (private) (3 NM) · 64IL Walpole Airport (private) (5 NM) · IL36 Bob Walberg Field (private) (6 NM) · IL60 Idlas Restricted Landing Area (private) (6 NM) · C77 Poplar Grove Airport (6 NM)
About IS83
Untied Acres Airport (IS83) is an airport in Belvidere, IL, at 800 ft MSL. It has 1 runway, the longest 2,000 ft. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for IS83, refreshed from the Aviation Weather Center and FAA NASR.
What is the longest runway at IS83?
Untied Acres Airport has 1 runway; the longest is 2,000 ft. See the Runways section for headings, surface, and lighting.
Where is IS83?
Untied Acres Airport is in Belvidere, IL, at an elevation of 800 ft MSL. Coordinates: 42.2275, -88.7672.
Fly out of IS83 often?
Save IS83 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 IS83 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.