Sauk/Prairie Airport
91C · Prairie du Sac, Wisconsin · Sauk County · map
Sauk/Prairie Airport is a public-use airport, 2 miles west of Prairie du Sac, Wisconsin, 832 feet above sea level. Its one runway, 18/36, is 2,936 feet of asphalt. It has fuel (100LL avgas, UL94 unleaded avgas) and about 34 based aircraft. The FAA counts about 8,350 takeoffs and landings a year.
The airport
- Codes
- FAA 91C
- Kind
- Airport · open to the public · privately owned
- Elevation
- 832 feet above sea level
- Control tower
- No control tower
- Attended
- unattended
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel
- 100LL avgas, UL94 unleaded avgas
- Repairs
- airframe: none; engine: none
- Parking
- tiedown
- On the chart
- Chicago sectional
- Magnetic variation
- 0E
- In the FAA's files since
- January 1963
Runway
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 18/36 | 2,936 × 60 ft | Asphalt, fair | Medium-intensity lights |
- Runway 18: PAPI, two lights on the left
- Runway 36: PAPI, two lights on the left
Radio frequencies
| Common traffic advisory (CTAF) | 122.9 | |
| Approach and departure | 135.45 | |
| Lone Rock Center (remote transmitter) Low | 133.3 |
Based aircraft as counted for the FAA, fiscal year 2024
Takeoffs and landings a year about 8,350, the FAA's fiscal year 2024 (October 2023 to September 2024)
Local flights stay in the traffic pattern or nearby, often practice; travelling flights arrive from or leave for somewhere else. Counts at airports without a tower are the FAA's estimates.
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Prairie du Sac from the FAA register
7 aircraft are registered to owners in Prairie du Sac, Wisconsin: 6 piston singles, 1 business jet. 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, never named. All aircraft registered in Wisconsin.
Accidents and incidents at or near this airport NTSB records · 7 since 1982, 1 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Ultralight and helicopter act on and in the vicinity of airport.
- Activate medium-intensity runway lights runway 18/36, runway end identifier lights runways 18 and 36, and PAPI runways 18 and 36 - the common traffic frequency.
- 24 hour self service fuel available with credit card.
- 25 feet trees at runway end, 225L.
- Maintenance vehicle traffic on and in the vicinity of airport.
- West ramp and taxiway pvt, closed transient.
- Avoid hospital/helipad 3,000 feet southeast of runway 36 thld.
- Runway 18 departures climb to 1,800 feet above sea level on runway heading bfr turning east/southeast.
- Takeoffs and landings are prohibited on unpaved surfaces.
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 5, 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.