Airport information
- FAA LID
- IS83
- Coordinates
- 42.2275, -88.7672
- Elevation
- 800 ft MSL
Detailed FAA facility data isn't available for this airport.
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 | 04:44 AM | 09:44Z |
| Sunrise | 05:19 AM | 10:19Z |
| Sunset | 08:35 PM | 01:35Z |
| Evening civil twilight Loggable night begins | 09:10 PM | 02:10Z |
Plan a flight from IS83
Traffic pattern
- Landing
- Rwy 09
- Pattern
- left (turns left)
- TPA
- 1,800 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 09 at 1,800 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 09/27
2,000 ft × 70 ft · TURF- Heading
- n/a
- Heading
- 356° true
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 2,000 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| RFD · Rockford | VOR-DME | 110.80 | r089° / 19.2 NM |
| JVL · Janesville | VOR-DME | 114.30 | r140° / 24.9 NM |
| DPA · Du Page | VOR-DME | 108.40 | r316° / 27.5 NM |
| BUU · Burbun | VOR-DME | 114.50 | r218° / 34.6 NM |
| OBK · Northbrook | VOR-DME | 113.00 | r273° / 36.3 NM |
| PLL · Polo | VOR-DME | 111.20 | r062° / 37.2 NM |
VFR sectional
No published instrument procedures or Chart Supplement for IS83. VFR sectional link above.
No published services or facility detail for IS83.
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 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.
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 tab 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.