Airport information
- FAA LID
- 7V3
- Coordinates
- 42.5273, -88.6513
- Elevation
- 951 ft MSL
- Magnetic variation
- 0W
- Sectional chart
- CHICAGO
- Airport use
- Public
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- GREEN BAY
- NOTAM facility
- GRB
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1958/10
- Distance from city
- 3 W
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 | 08:36 PM | 01:36Z |
| Evening civil twilight Loggable night begins | 09:10 PM | 02:10Z |
Plan a flight from 7V3
Night operations
- Airport lighting
- SEE RMK
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — 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 09 · 090°
- Pattern
- left (turns left)
- TPA
- 1,751 ft MSL · 800 AGL
- CTAF
- 122.9
Enter the left downwind for Rwy 09 at 1,751 ft MSL · 800 AGL on a 45°.
Runway 09/27
2,912 ft × 85 ft · GRS- Heading
- 090° mag · 90° true
- Heading
- 270° mag · 270° true
Runway 18/36
2,114 ft × 100 ft · Turf (Good)- Heading
- 180° mag · 180° true
- Markings
- none
- Traffic pattern
- Left
- Heading
- 000° mag · 360° true
- Markings
- none
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 2,912 ft | |
| 18/36 | 2,114 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| CTAF | 122.9 |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| BUU · Burbun | VOR-DME | 114.50 | r239° / 18.2 NM |
| JVL · Janesville | VOR-DME | 114.30 | r092° / 20.2 NM |
| RFD · Rockford | VOR-DME | 110.80 | r052° / 30.3 NM |
| ENW · Kenosha | VOR-DME | 109.20 | r265° / 32.1 NM |
| OBK · Northbrook | VOR-DME | 113.00 | r303° / 36.1 NM |
| BAE · Badger | VORTAC | 116.40 | r203° / 38.9 NM |
| HRK · Horlick | VOR-DME | 117.70 | r251° / 39.6 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Parking
- tiedowns
Ownership & management
Remarks FAA
- ESTAB PRIOR TO 1959.
- RWY NOT PLWD WINT MONTHS - OPEN TO SKI EQUIPPED ACFT ONLY.
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
- ACTVT LIRL ON RY 18/36 - 123.75.
- EMAIL ADDRESS: JAMES.C.BAIR@GMAIL.COM (ALL LOWER CASE)
- NSTD LIRL; RY 18 THLD LGTS ARE 45 FT S OF RY MARKERS.
- RWY 18/36 MKD WITH YELLOW HALF BARRELS.
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 7V3 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 7V3
Big Foot Airfield (7V3) is an airport in Walworth, WI, at 951 ft MSL. It has 2 runways, the longest 2,912 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 7V3, refreshed from the Aviation Weather Center and FAA NASR.
Does 7V3 have a control tower?
No. Big Foot Airfield is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 7V3?
Big Foot Airfield has 2 runways; the longest is 2,912 ft. See the Runways tab for headings, surface, and lighting.
Where is 7V3?
Big Foot Airfield is in Walworth, WI, at an elevation of 951 ft MSL. Coordinates: 42.5273, -88.6513.
Fly out of 7V3 often?
Save 7V3 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.