Airport information
- FAA LID
- 87Y
- Coordinates
- 43.1049, -89.1855
- Elevation
- 920 ft MSL
- Magnetic variation
- 3W
- Sectional chart
- CHICAGO
- Airport use
- Public
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- GREEN BAY
- NOTAM facility
- GRB
- Attendance
- UNATTND
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Activated
- 1972/09
- Distance from city
- 10 E
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 | 04:42 AM | 09:42Z |
| Sunrise | 05:17 AM | 10:17Z |
| Sunset | 08:40 PM | 01:40Z |
| Evening civil twilight Loggable night begins | 09:15 PM | 02:15Z |
Plan a flight from 87Y
Night operations
- Airport lighting
- SS-SR
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- Usually keyed on CTAF 122.7 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 04 · 043°
- Pattern
- right (turns right)
- TPA
- 1,900 ft MSL (≈1,000 AGL)
- CTAF
- 122.7
Enter the right downwind for Rwy 04 at 1,900 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 04/22
2,814 ft × 57 ft · Asphalt (Poor)- Heading
- 043° mag · 40° true
- Markings
- basic
- Traffic pattern
- Right
- Approach obstacle
- Trees, 40 ft, 265 ft from threshold, 55 ft L of centerline — 1:1 slope to clear · penetrates the 20:1 visual approach surface
- Heading
- 223° mag · 220° true
- Markings
- basic
- Traffic pattern
- Left
- Approach obstacle
- Trees, 48 ft, 210 ft from threshold, 25 ft L of centerline — 1:1 slope to clear · penetrates the 20:1 visual approach surface
- Displaced threshold
- 260 ft
Runway 09/27
2,203 ft × 56 ft · Asphalt (Fair)- Heading
- 092° mag · 89° true
- Markings
- basic
- Traffic pattern
- Left
- Approach obstacle
- Road, 15 ft, 210 ft from threshold, 0 ft B of centerline — 1:1 slope to clear · penetrates the 20:1 visual approach surface
- Heading
- 273° mag · 270° true
- Markings
- basic
- Traffic pattern
- Right
- Approach obstacle
- Road, 16 ft, 317 ft from threshold, 0 ft B of centerline — 7:1 slope to clear · penetrates the 20:1 visual approach surface
- Displaced threshold
- 180 ft
| Runway | Length | Your margin |
|---|---|---|
| 04/22 | 2,814 ft | |
| 09/27 | 2,203 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| CTAF | 122.7 | |
| UNICOM | 122.7 | |
| LONE ROCK RCAG | 133.3 | APCH/DEP SVC PRVDD BY CHICAGO ARTCC ON FREQS 133.3/257.925 (LONE ROCK RCAG) WHEN MADISON APCH CTL CLSD. |
| LONE ROCK RCAG | 257.925 | APCH/DEP SVC PRVDD BY CHICAGO ARTCC ON FREQS 133.3/257.925 (LONE ROCK RCAG) WHEN MADISON APCH CTL CLSD. |
| APCH/P DEP/P | 120.1 | |
| APCH/P DEP/P | 343.7 |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| MSN · Madison | VORTAC | 108.60 | r106° / 7.2 NM |
| JVL · Janesville | VOR-DME | 114.30 | r351° / 33 NM |
| DLL · Dells | VORTAC | 117.00 | r133° / 36.8 NM |
| BAE · Badger | VORTAC | 116.40 | r267° / 39.5 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns, hangars
Ownership & management
Remarks FAA
- RWY 09 AVOID OVERFLIGHT OF FARM 3/4 MI EAST.
- DEER & TURKEYS ON & INVOF ARPT.
- RWY ENDS OBSTD VISUALLY FM OTRS.
- FOR CD CTC MADISON APP/DEP CON AT 608-249-8240. WHEN MADISON APCH CLSD, FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
- COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -23C.
- EMAIL ADDRESS: STRASS32@AMERITECH.NET (ALL LOWER CASE)
- NSTD LIRL; RWY LGTS 2 FT TO 3 FT ABOVE RWY & NSTD SPACING. RWY 09/27 LGTD 1970 FT.
- 35 FT TREE 45 FT FM THR, 50 FT R.
- 40 FT TREES 180 FT FM THR, 100 FT L.
- 45 FT TREES 160 FT FM THR, 25L.
- MARKINGS FADED.
- MARKINGS FADED.
- MARKINGS FADED.
- MARKINGS FADED.
- APCH RATIO 10:1 TO DTHR. 48 FT TREES 470 FT FM DTHR, 25 FT L.
- APCH RATIO 20:1 TO DTHR.
- CRACKS WITH VEGETATION.
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 87Y 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 87Y
Blackhawk Airfield (87Y) is an airport in Madison, WI, at 920 ft MSL. It has 2 runways, the longest 2,814 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 87Y, refreshed from the Aviation Weather Center and FAA NASR.
Does 87Y have a control tower?
No. Blackhawk Airfield is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 87Y?
Blackhawk Airfield has 2 runways; the longest is 2,814 ft. See the Runways tab for headings, surface, and lighting.
Where is 87Y?
Blackhawk Airfield is in Madison, WI, at an elevation of 920 ft MSL. Coordinates: 43.1049, -89.1855.
Fly out of 87Y often?
Save 87Y 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.