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4WN4 Geis Field Airport
Fredonia, Wisconsin, USA

FAA INFORMATION EFFECTIVE 19 FEBRUARY 2026

Location

FAA Identifier: 4WN4
Lat/Long: 43-30-34.1126N 087-56-19.4670W
43-30.568543N 087-56.324450W
43.5094757,-87.9387408
(estimated)
Elevation: 852 ft. / 260 m (estimated)
From city: 2 miles NNE of FREDONIA, WI
Time zone: UTC -6 (UTC -5 during Daylight Saving Time)
Zip code: 53075

Airport Operations

Airport use: Private use. Permission required prior to landing
Activation date: 09/2023
Control tower: no
ARTCC: CHICAGO CENTER
FSS: GREEN BAY FLIGHT SERVICE STATION
Attendance: 
Segmented circle: no

Airport Communications

CTAF: 122.9
WX AWOS-3 at ETB (10 nm SW): 120.0 (262-334-6161)
WX ASOS at SBM (16 nm N): 118.425 (920-467-0744)

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
BJBr058/(9.7)WEST BEND VOR109.8001W
BAEr031/28.0BADGER VOR/DME116.4002E
OSHr135/39.3OSHKOSH VORTAC116.7502E

 
NDB name  Hdg/Dist  Freq  Var  ID
ROCK RIVER061/39.837101WRYV .-. -.-- ...-

Airport Services

Runway Information

Runway 18/36

Dimensions: 846 x 50 ft. / 258 x 15 m
Surface: turf
RUNWAY 18  RUNWAY 36
Latitude: 43-30.613740N43-30.474600N
Longitude: 087-56.307900W087-56.303400W
Elevation: 851.0 ft.832.0 ft.
Traffic pattern: rightleft
Touchdown point: yes, no lightsyes, no lights

Runway 9/27

Dimensions: 533 x 50 ft. / 162 x 15 m
Surface: turf
RUNWAY 9  RUNWAY 27
Latitude: 43-30.607140N43-30.607333N
Longitude: 087-56.414580W087-56.294000W
Elevation: 852.0 ft.849.0 ft.
Traffic pattern: rightleft
Touchdown point: yes, no lightsyes, no lights

Airport Ownership and Management from official FAA records

Ownership: Privately-owned
Owner: STEPHEN NATHANIEL GEIS
N6370 STATE RD 57
BELGIUM, WI 53004
Phone 262-339-0603
Manager: STEPHEN NATHANIEL GEIS
N6370 STATE RD 57
BELGIUM, WI 53004
Phone 262-339-0603

Instrument Procedures

There are no published instrument procedures at 4WN4.

Some nearby airports with instrument procedures:

KETB - West Bend Municipal Airport (10 nm SW)
KSBM - Sheboygan County Memorial International Airport (16 nm N)
KHXF - Hartford Municipal Airport (22 nm SW)
KMWC - Lawrence J Timmerman Airport (24 nm S)
8D1 - New Holstein Municipal Airport (27 nm N)
  
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Aerial photo
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Sectional chart

 
Airport distance calculator
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From to 4WN4

Sunrise and sunset
Times for 04-Mar-2026
 Local
(UTC-6)		 Zulu
(UTC)
Morning civil twilight05:5611:56
Sunrise06:2412:24
Sunset17:4323:43
Evening civil twilight18:1200:12

Current date and time
Zulu (UTC)  05-Mar-2026 01:16:50
Local (UTC-6)  04-Mar-2026 19:16:50
 
METAR
KETB 
10nm SW 		050055Z AUTO 10003KT 10SM BKN013 OVC060 06/03 A3005 RMK AO2
KSBM 
17nm N 		050053Z AUTO 00000KT 9SM CLR 00/M01 A3007 RMK AO2 SLP192 T00001006
TAF
KSBM 
17nm N 		042104Z 0421/0518 17007KT P6SM FEW250 FM051000 VRB03KT P6SM BKN035 FM051500 05007KT 5SM BR OVC015 PROB30 0515/0518 3SM -RA OVC009
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