Airport information
- FAA LID
- WN75
- Coordinates
- 43.2447, -88.3723
- Elevation
- 1,000 ft MSL
- Magnetic variation
- 1W
- Sectional chart
- CHICAGO
- Airport use
- Private
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- GREEN BAY
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1994/08
- Distance from city
- 5 S
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 | 04:38 AM | 09:38Z |
| Sunrise | 05:13 AM | 10:13Z |
| Sunset | 08:37 PM | 01:37Z |
| Evening civil twilight Loggable night begins | 09:13 PM | 02:13Z |
Plan a flight from WN75
Traffic pattern
- Landing
- Rwy 18
- Pattern
- left (turns left)
- TPA
- 2,000 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 18 at 2,000 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 18/36
1,200 ft × 75 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Heading
- n/a
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 18/36 | 1,200 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| BAE · Badger | VORTAC | 116.40 | r331° / 8.6 NM |
| BJB · West Bend | VOR | 109.80 | r226° / 15.2 NM |
| LJT · Timmerman | VOR-DME | 112.50 | r301° / 16.8 NM |
| BUU · Burbun | VOR-DME | 114.50 | r356° / 33.5 NM |
| HRK · Horlick | VOR-DME | 117.70 | r322° / 38 NM |
| FAH · Falls | VOR-DME | 110.00 | r218° / 38.9 NM |
VFR sectional
No published instrument procedures or Chart Supplement for WN75. VFR sectional link above.
Ownership & management
Remarks FAA
- OBS REMOVED/LOWERED OR THRS DSPLCD TO PRVD 20:1 SLOPES; 125' EITHER SIDE OF CNTRLN & 200' EITHER END BE CLEAR OF OBS; LIMITED TO CATEGORY A AIRCRAFT.
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
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 WN75 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 WN75
Erin Aero Airport (WN75) is an airport in Hartford, WI, at 1,000 ft MSL. It has 1 runway, the longest 1,200 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for WN75, refreshed from the Aviation Weather Center and FAA NASR.
Does WN75 have a control tower?
No. Erin Aero Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at WN75?
Erin Aero Airport has 1 runway; the longest is 1,200 ft. See the Runways tab for headings, surface, and lighting.
Where is WN75?
Erin Aero Airport is in Hartford, WI, at an elevation of 1,000 ft MSL. Coordinates: 43.2447, -88.3723.
Fly out of WN75 often?
Save WN75 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.