2
Runways
1
Frequency
0
Procedures
0
NOTAMs
Quick Facts
FAA
4WN4
Elevation
852 ft MSL
Runways
2
Frequencies
1
Tower
No
Fuel
N/A
Coordinates
43.509, -87.939
Airport Information
Facility Type
AIRPORT
Elevation
852 ft MSL
Control Tower
No
Fuel Types
None listed
ARTCC
CHICAGO
Coordinates
43.5095, -87.9387
Ownership
Private
Current Weather
METAR KETB 131835Z AUTO 35013G23KT 10SM BKN047 15/02 A3002 RMK AO2
Flight Category
VFR
Wind
350° at 13 kt G23
Visibility
10+ SM
Temperature
15°C
Dewpoint
2°C
Altimeter
1016.70 inHg
Cloud Cover
BKN
Nearest weather from KETB (13 NM away)
Observed 2026-05-13 18:35Z
Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 09/27 | 533 ft | 50 ft | TURF | - |
| 18/36 | 846 ft | 50 ft | TURF | - |
Frequencies
| Type | Frequency | Name |
|---|---|---|
| CTAF | 122.9 | GEIS FLD |
Active NOTAMs
No active NOTAMs for 4WN4.
Nearby Airports in Wisconsin
67WI
ACCURATE
NECEDAH — 890 ft
67WI
ACCURATE
NECEDAH — 890 ft
K63C
Adams County Legion Field
Adams — 976 ft
63C
ADAMS COUNTY LEGION FLD
FRIENDSHIP (ADAMS) — 979.2 ft
1WI6
AERO ESTATES
RAYMOND TOWNSHIP — 825 ft
1WI6
AERO ESTATES
RAYMOND TOWNSHIP — 825 ft
WI69
AIR TROY ESTATES
EAST TROY — 820 ft
WI69
AIR TROY ESTATES
EAST TROY — 820 ft
Nearest airports
- 67WI — ACCURATE
NECEDAH
- 67WI — ACCURATE
NECEDAH
- K63C — Adams County Legion Field
Adams
- 63C — ADAMS COUNTY LEGION FLD
FRIENDSHIP (ADAMS)
- 1WI6 — AERO ESTATES
RAYMOND TOWNSHIP
Wisconsin airports
4WN4 Operational Overview
Location & Facility
GEIS FLD (4WN4) is a privately owned airport restricted to private use located in FREDONIA, Wisconsin, United States. The field sits at an elevation of 852 feet above mean sea level (MSL) at coordinates 43.5095°N, 87.9387°W.
Runways
GEIS FLD has 2 runways. The longest runway (09/27) measures 533 feet by 50 feet with a turf surface. Other runways include 18/36 (846 ft, TURF).
Communications & Operations
GEIS FLD is a non-towered (pilot-controlled) field. A total of 1 communication frequencies are published for this facility.
Current Conditions
The current flight category at GEIS FLD is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations.
Frequently Asked Questions
What is 4WN4?
4WN4 is the ICAO identifier for GEIS FLD, a public-use airport located in FREDONIA, Wisconsin, United States.
How many runways does GEIS FLD have?
GEIS FLD (4WN4) has 2 runways. See the runway table above for dimensions and surface types.
What is the elevation of 4WN4?
The field elevation of GEIS FLD is 852 feet above mean sea level (MSL).
Is fuel available at 4WN4?
No fuel types are currently listed for GEIS FLD. Contact the FBO directly for availability.
What are the current weather conditions at 4WN4?
The current flight category at GEIS FLD is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at 4WN4?
There are currently no active NOTAMs for GEIS FLD.
How do I access complete data for 4WN4?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for GEIS FLD.
Where is GEIS FLD located?
GEIS FLD (4WN4) is located in FREDONIA, Wisconsin, United States, at an elevation of 852 ft MSL.