North West Indiana Air Airport
II04 · Brook, IN · 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 08:33 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:18 AM | 10:18Z |
| Sunrise | 05:48 AM | 10:48Z |
| Sunset | 08:02 PM | 01:02Z |
| Evening civil twilight Loggable night begins | 08:33 PM | 01:33Z |
Plan a flight from II04
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 NLEFT traffic
- Heading
- 000° true
- Dimensions
- 2,600 × 125 ft
- TPA
- 1,700 ft MSL (≈1,000 AGL) · standard
- Surface
- TURF
Enter the left downwind (heading 180°) 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 |
|---|---|---|
| N/S | 2,600 ft |
Prefer one flat page? Full runway details for II04 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the II04 kneeboard →
Comms & NavAids
Nearby navigation aids
BVT 115.10 · EON 113.20 · DNV 111.00 · +1
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| BVT · Boiler | VORTAC | 115.10 · 98X | High | r324° / 23.9 NM |
| EON · Peotone | VORTAC | 113.20 · 79X | Low | r138° / 30 NM |
| DNV · Danville | TACAN | 111.00 · 47X | — | r012° / 36.5 NM |
| CGT · Chicago Heights | VORTAC | 114.20 · 89X | Low | r164° / 38.7 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for II04 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- II04
- Coordinates
- 40.8839, -87.3692
- Elevation
- 660 ft MSL
Detailed FAA facility data isn't available for this airport.
No published services or facility detail for II04.
Nearby airports
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Also nearby: 50I Kentland Municipal Airport (8 NM) · 1LL8 Zoomer Field (private) (10 NM) · 1IL8 Loy Airport (11 NM) · II65 Gilmore Airport (11 NM) · II26 Ashby Airport (14 NM)
About II04
North West Indiana Air Airport (II04) is an airport in Brook, IN, at 660 ft MSL. It has 1 runway, the longest 2,600 ft. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for II04, refreshed from the Aviation Weather Center and FAA NASR.
What is the longest runway at II04?
North West Indiana Air Airport has 1 runway; the longest is 2,600 ft. See the Runways section for headings, surface, and lighting.
Where is II04?
North West Indiana Air Airport is in Brook, IN, at an elevation of 660 ft MSL. Coordinates: 40.8839, -87.3692.
Fly out of II04 often?
Save II04 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 II04 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.