Airport information
- FAA LID
- 86WI
- Coordinates
- 42.6594, -88.4304
- Elevation
- 970 ft MSL
- 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
- 2010/03
- Distance from city
- 6 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 | 04:41 AM | 09:41Z |
| Sunrise | 05:16 AM | 10:16Z |
| Sunset | 08:35 PM | 01:35Z |
| Evening civil twilight Loggable night begins | 09:10 PM | 02:10Z |
Plan a flight from 86WI
Traffic pattern
- Landing
- Rwy 2
- Pattern
- left (turns left)
- TPA
- 2,000 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 2 at 2,000 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 2/20
1,850 ft · Turf- Heading
- n/a
- Heading
- n/a
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 2/20 | 1,850 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| BUU · Burbun | VOR-DME | 114.50 | r253° / 6 NM |
| ENW · Kenosha | VOR-DME | 109.20 | r282° / 22.3 NM |
| HRK · Horlick | VOR-DME | 117.70 | r259° / 27.9 NM |
| BAE · Badger | VORTAC | 116.40 | r191° / 28.2 NM |
| JVL · Janesville | VOR-DME | 114.30 | r075° / 30.4 NM |
| LJT · Timmerman | VOR-DME | 112.50 | r215° / 32.1 NM |
| OBK · Northbrook | VOR-DME | 113.00 | r323° / 33.8 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 86WI. VFR sectional link above.
Ownership & management
Remarks FAA
- PRVDD VFR OPNS AND PVT USE ONLY; NOTIFY THE OWNER OF PLOWS & PROPS ARPT (2WI4) OF THE LOCATION AND ESTABLISHMENT OF YOUR ARPT; CLEAR 20:1 APCH BE ESTABD.
- 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 86WI 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 86WI
Terhark Airport (86WI) is an airport in Elkhorn, WI, at 970 ft MSL. It has 1 runway, the longest 1,850 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 86WI, refreshed from the Aviation Weather Center and FAA NASR.
Does 86WI have a control tower?
No. Terhark Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 86WI?
Terhark Airport has 1 runway; the longest is 1,850 ft. See the Runways tab for headings, surface, and lighting.
Where is 86WI?
Terhark Airport is in Elkhorn, WI, at an elevation of 970 ft MSL. Coordinates: 42.6594, -88.4304.
Fly out of 86WI often?
Save 86WI 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.