Blackhawk Island Airport
1WI9 · Fort Atkinson, WI · 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 08:45 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:18 AM | 10:18Z |
| Sunrise | 05:49 AM | 10:49Z |
| Sunset | 08:13 PM | 01:13Z |
| Evening civil twilight Loggable night begins | 08:45 PM | 01:45Z |
Plan a flight from 1WI9
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 18LEFT traffic
- Heading
- 180° true
- Dimensions
- 1,950 × 80 ft
- TPA
- 1,800 ft MSL (≈1,000 AGL) · standard
- Surface
- TURF
Enter the left downwind (heading 000°) 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 |
|---|---|---|
| 18/36 | 1,950 ft |
Prefer one flat page? Full runway details for 1WI9 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 1WI9 kneeboard →
Comms & NavAids
Nearby navigation aids
JVL 114.30 · MSN 108.60 · BAE 116.40
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| JVL · Janesville | VOR/DME | 114.30 · 90X | Low | r023° / 23.6 NM |
| MSN · Madison | VORTAC | 108.60 · 23X | Low | r121° / 25 NM |
| BAE · Badger | VOR/DME | 116.40 · 111X | High | r242° / 28.5 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 1WI9 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 1WI9
- Coordinates
- 42.9107, -88.8694
- Elevation
- 800 ft MSL
Detailed FAA facility data isn't available for this airport.
No published services or facility detail for 1WI9.
Nearby airports
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Also nearby: WS49 Christie Aerodrome (private) (0 NM) · 47WI Oakbrook Airport (private) (3 NM) · 61C Fort Atkinson Municipal Airport (4 NM) · WI76 Maggies Farm LLC Airport (private) (5 NM) · 5Y3 Gutzmer's Twin Oaks Airport (6 NM) · 17WI Ha-Rail Airport (private) (8 NM)
About 1WI9
Blackhawk Island Airport (1WI9) is an airport in Fort Atkinson, WI, at 800 ft MSL. It has 1 runway, the longest 1,950 ft. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 1WI9, refreshed from the Aviation Weather Center and FAA NASR.
What is the longest runway at 1WI9?
Blackhawk Island Airport has 1 runway; the longest is 1,950 ft. See the Runways section for headings, surface, and lighting.
Where is 1WI9?
Blackhawk Island Airport is in Fort Atkinson, WI, at an elevation of 800 ft MSL. Coordinates: 42.9107, -88.8694.
Fly out of 1WI9 often?
Save 1WI9 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 1WI9 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.