Airport information
- FAA LID
- 31WN
- Coordinates
- 43.9914, -88.9620
- Elevation
- 773 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
- 1971/08
- Distance from city
- 2 NW
Weather
METAR observed
Loading current weather…
TAF forecast
Loading forecast…
Sun & FAA night 2026-06-21
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:37 AM | 09:37Z |
| Sunrise | 05:13 AM | 10:13Z |
| Sunset | 08:42 PM | 01:42Z |
| Evening civil twilight Loggable night begins | 09:19 PM | 02:19Z |
Plan a flight from 31WN
Traffic pattern
- Landing
- Rwy 09
- Pattern
- left (turns left)
- TPA
- 1,573 ft MSL · 800 AGL
Enter the left downwind for Rwy 09 at 1,573 ft MSL · 800 AGL on a 45°.
Runway 09/27
1,850 ft × 60 ft · Turf (Good)- Heading
- n/a
- Markings
- none
- Traffic pattern
- Left
- Approach obstacle
- Trees, 29 ft, 350 ft from threshold, 90 ft R of centerline — 12:1 slope to clear · penetrates the 20:1 visual approach surface
- Heading
- n/a
- Markings
- none
- Traffic pattern
- Right
- Approach obstacle
- Other, 15 ft, 10 ft from threshold, 30 ft R of centerline
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 1,850 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| OSH · Oshkosh | VORTAC | 111.80 | r268° / 17.5 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 31WN. VFR sectional link above.
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management
Remarks FAA
- WITHIN APCH TO BROKEN PROP FIELD.
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
- EMAIL ADDRESS: BERLINFIELD@AOL.COM (ALL LOWER CASE) ALSO, MSHUBAT@AOL.COM (ALL LOWER CASE)
- RWY 09/27 ENDS MKD WITH STRIPED 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 31WN 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 31WN
Berlin Field LLC (31WN) is an airport in Berlin, WI, at 773 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 31WN, refreshed from the Aviation Weather Center and FAA NASR.
Does 31WN have a control tower?
No. Berlin Field LLC is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 31WN?
Berlin Field LLC has 1 runway; the longest is 1,850 ft. See the Runways tab for headings, surface, and lighting.
Where is 31WN?
Berlin Field LLC is in Berlin, WI, at an elevation of 773 ft MSL. Coordinates: 43.9914, -88.9620.
Fly out of 31WN often?
Save 31WN 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.