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Geis Field Private

4WN4 · Fredonia, WI · 851 ft elevation · Towered

Airport information

FAA LID
4WN4
Coordinates
43.5091, -87.9384
Elevation
851 ft MSL
Sectional chart
CHICAGO
Airport use
Private
Control tower
Yes
ARTCC
CHICAGO (ZAU)
Flight service (FSS)
GREEN BAY
Segmented circle
No
Activated
2023/09
Distance from city
2 NNE

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-20

EventLocal (CDT)UTC
Morning civil twilight
Loggable night ends
04:35 AM09:35Z
Sunrise05:10 AM10:10Z
Sunset08:36 PM01:36Z
Evening civil twilight
Loggable night begins
09:12 PM02:12Z
Loggable night (§1.1)
09:12 PM → 04:35 AM
Night currency (§61.57)
09:36 PM → 04:10 AM

Plan a flight from 4WN4

Runway 18/36

846 ft · Turf
18
Heading
n/a
Traffic pattern
Right
36
Heading
n/a
Traffic pattern
Left

Headings shown are true (magnetic variation unavailable).

Nearby navigation aids

NavAidTypeFreqRadial / Dist magnetic
BJB · West BendVOR109.80r058° / 9.7 NM
FAH · FallsVOR-DME110.00r196° / 16.1 NM
LJT · TimmermanVOR-DME112.50r012° / 24.4 NM
BAE · BadgerVORTAC116.40r031° / 28 NM
MTW · ManitowocVOR-DME111.00r199° / 38.8 NM
OSH · OshkoshVORTAC111.80r135° / 39.4 NM

No published instrument procedures or Chart Supplement for 4WN4. VFR sectional link above.

Ownership & management

Owner
STEPHEN NATHANIEL GEIS
N6370 STATE RD 57, BELGIUM, WI
262-339-0603
Manager
STEPHEN NATHANIEL GEIS
N6370 STATE RD 57, BELGIUM, WI
262-339-0603

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 4WN4 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.