Mark's Park & Airfield UltralightPrivate
3WN4 · New London, WI · 855 ft elevation · var 2W · Non-towered
Airport information
- FAA LID
- 3WN4
- Coordinates
- 44.3059, -88.7715
- Elevation
- 855 ft MSL
- Magnetic variation
- 2W
- Sectional chart
- GREEN BAY
- Airport use
- Private
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- GREEN BAY
- Attendance
- IREG
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2002/11
- Distance from city
- 6 S
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 | 04:34 AM | 09:34Z |
| Sunrise | 05:11 AM | 10:11Z |
| Sunset | 08:43 PM | 01:43Z |
| Evening civil twilight Loggable night begins | 09:19 PM | 02:19Z |
Plan a flight from 3WN4
Runway 09/27
1,000 ft × 250 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Heading
- n/a
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 1,000 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| OSH · Oshkosh | VORTAC | 111.80 | r332° / 21.1 NM |
| GRB · Green Bay | VORTAC | 115.50 | r238° / 28.9 NM |
| STE · Stevens Point | VORTAC | 110.60 | r114° / 35.5 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 3WN4. VFR sectional link above.
Ownership & management
Remarks FAA
- PRVDD CLEAR 20:1 APCHS, CLEAR OBSTACLE FREE ZONE, AND CLEAR RY SAFETY AREA.
- POWER LINES 1/2 NM NORTH AND WEST OF ULTRALIGHT FLIGHT PARK.
- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
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 3WN4 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 3WN4
Mark's Park & Airfield (3WN4) is an ultralight in New London, WI, at 855 ft MSL. It has 1 runway, the longest 1,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 3WN4, refreshed from the Aviation Weather Center and FAA NASR.
Does 3WN4 have a control tower?
No. Mark's Park & Airfield is a non-towered (pilot-controlled) ultralight; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 3WN4?
Mark's Park & Airfield has 1 runway; the longest is 1,000 ft. See the Runways tab for headings, surface, and lighting.
Where is 3WN4?
Mark's Park & Airfield is in New London, WI, at an elevation of 855 ft MSL. Coordinates: 44.3059, -88.7715.
Fly out of 3WN4 often?
Save 3WN4 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.