Geis Fld Airport (4WN4)

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Geis Fld Airport (4WN4)
4WN4
Geis Fld Airport (4WN4)
Fredonia, WI
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Location & QuickFacts
FAA Information Effective 2026-07-09
Airport Identifier 4WN4
Airport Status Operational
Longitude/Latitude 87°56'19.4670" W / 43°30'34.1126" N
-87.938741 / 43.509476 (Estimated)
Elevation 852.00 ft / 259.69 m (Estimated)
From nearest city 2 nautical miles NNE of Fredonia, WI
Location Ozaukee County, WI
Owner & Manager
Ownership Privately owned
Owner STEPHEN NATHANIEL GEIS
Address N6370 STATE RD 57
BELGIUM, WI 53004
Phone number 262-339-0603
Manager STEPHEN NATHANIEL GEIS
Address N6370 STATE RD 57
BELGIUM, WI 53004
Phone number 262-339-0603
Airport Operations and Facilities
Airport Use Private
Control Tower NON-ATCT
Sectional chart CHICAGO
Region AGL - Great Lakes
Responsible ARTCC ZAU - CHICAGO
Tie-in FSS GRB - GREEN BAY
FSS Toll Free 1-800-WX-BRIEF
Airport Communications
CTAF 122.9 MHz
Runway Information
Runway 09/27
Dimensions 533 x 50 ft (162 x 15 m)
Surface TURF
Surface treatment
09 27
Physical elevation 852.00 ft 849.00 ft
Coordinates 43.510119 / -87.940243 43.510122 / -87.938233
Traffic pattern Right Left
Runway 18/36
Dimensions 846 x 50 ft (258 x 15 m)
Surface TURF
Surface treatment
18 36
Physical elevation 851.00 ft 832.00 ft
Coordinates 43.510229 / -87.938465 43.507910 / -87.938390
Traffic pattern Right Left