Marks Park & Airfield UltralightPrivate
3WN4 · New London, WI · Non-towered · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-23 · night begins 07:20 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:14 AM | 11:14Z |
| Sunrise | 06:43 AM | 11:43Z |
| Sunset | 06:51 PM | 23:51Z |
| Evening civil twilight Loggable night begins | 07:20 PM | 00:20Z |
Plan a flight from 3WN4
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 1,000 ft |
Prefer one flat page? Full runway details for 3WN4 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 3WN4 kneeboard →
Comms & NavAids
Nearby navigation aids
OSH 116.75 · GRB 115.50
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| OSH · Oshkosh | VOR/DME | 116.75 · 114Y | Low | r332° / 21.1 NM |
| GRB · Green Bay | VORTAC | 115.50 · 102X | High | r238° / 28.9 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 3WN4 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 3WN4
- Coordinates
- 44.3069, -88.7711
- 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 · 122.2 · 1-800-WX-BRIEF
- Attendance
- IREG
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2002/11
- Distance from city
- 6 S
Ownership & management 2 contacts
Remarks FAA · 2 notes
General
- POWER LINES 1/2 NM NORTH AND WEST OF ULTRALIGHT FLIGHT PARK.
- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
Nearby airports
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Also nearby: 32WI Dalonia (private) (3 NM) · 2WN3 Curns (private) (3 NM) · 38WI Northport (private) (6 NM) · 9WI1 Black Otter (private) (6 NM) · WI22 Rocket City (private) (7 NM) · WI91 Larson (private) (8 NM)
About 3WN4
Marks 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. Marks Park & Airfield is a non-towered (pilot-controlled) ultralight; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 3WN4?
Marks Park & Airfield has 1 runway; the longest is 1,000 ft. See the Runways section for headings, surface, and lighting.
Where is 3WN4?
Marks Park & Airfield is in New London, WI, at an elevation of 855 ft MSL. Coordinates: 44.3069, -88.7711.
More about 3WN4
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.
Something here wrong or out of date? Report a data problem.