Geis Field
4WN4 · Fredonia, Wisconsin · Ozaukee County · map
Geis Field is a private airport, 2 miles nne of Fredonia, Wisconsin, 852 feet above sea level. It has 2 runways; the longest, 18/36, is 846 feet of grass.
Private use: permission from the owner is required before landing here.
The airport facts, runways, radio, fuel and services, the FAA's remarks
The airport
- Codes
- FAA 4WN4
- Kind
- Airport · private use, permission required · privately owned
- Elevation
- 852 feet above sea level
- Control tower
- No control tower
- Fuel and services
- no fuel reported; the services card below
- On the chart
- Chicago sectional
- In the FAA's files since
- September 2023
Runways 2
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 18/36 | 846 × 50 ft | Grass | |
| 09/27 | 533 × 50 ft | Grass |
- Runway 18: right-hand traffic pattern
- Runway 09: right-hand traffic pattern
Radio frequencies
| Common traffic advisory (CTAF) | 122.9 |
Fuel and services as reported to the FAA
The FAA's record lists no fuel or services for this airport.
Nearest fields reporting jet fuel: West Bend Municipal (10 nm southwest), Sheboygan County Memorial International (16 nm north), Hartford Municipal (22 nm southwest), Lawrence J Timmerman Airport (24 nm south).
Nearest fields reporting avgas: West Bend Municipal (10 nm southwest), Sheboygan County Memorial International (16 nm north), Hartford Municipal (22 nm southwest), Lawrence J Timmerman Airport (24 nm south).
The FAA's file records what is sold and done at the field, as the airport manager reports it, not who sells it or the price; fuel sellers (FBOs) are not named in any public file. Airports selling jet fuel in Wisconsin · avgas.
Who flies and works here aircraft registered in town, the companies, the examiners nearby
Aircraft registered in Fredonia from the FAA register
5 aircraft are registered to owners in Fredonia, Wisconsin: 3 piston singles, 1 business jet, 1 balloon. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Individuals are counted, not named (the site's policy at this time). All aircraft registered in Wisconsin.
Safety record the NTSB's cases at or near this airport
Accidents and incidents at or near this airport NTSB records
No NTSB accident or incident records name this airport.
Nearby within 30 nautical miles
Connections how this airport links to the rest of the register
- Aircraft registered in Fredonia 5 aircraft · 3 piston singles, 1 business jets, 1 balloons
- Accidents and incidents in Wisconsin 1,619 since 1982 · 225 in the last ten years
- Nearby landing places within 30 nautical miles 8 airports, heliports and seaplane bases
- Public-use airports in Wisconsin 123 landing places
- Wisconsin 6,164 aircraft registered
The whole map of how records connect · these connections as data: /graph/airport/4WN4.json.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 27, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.