Iowa County
MRJ · KMRJ · Mineral Point, Wisconsin · Iowa County · map
Iowa County is a public-use airport owned by Iowa County, 3 miles northwest of Mineral Point, Wisconsin, 1,171 feet above sea level. It has 2 runways; the longest, 11/29, is 5,001 feet of asphalt. It has fuel (100LL avgas, Jet A with additive) and about 31 based aircraft. The FAA counts about 6,750 takeoffs and landings a year.
The airport
- Codes
- FAA MRJ · ICAO KMRJ
- Kind
- Airport · open to the public · publicly owned
- Owner
- Iowa County
- Elevation
- 1,171 feet above sea level
- Control tower
- No control tower
- Attended
- Monday to Friday, 6:00 am to 4:00 pm; weekends, on call
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel
- 100LL avgas, Jet A with additive
- Repairs
- airframe: major repairs; engine: major repairs
- Parking
- hangar, tiedown
- On the chart
- Chicago sectional
- Magnetic variation
- 0W
- In the FAA's files since
- April 1962
Runways 2
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 11/29 | 5,001 × 75 ft | Asphalt, excellent | Medium-intensity lights |
| 04/22 | 3,600 × 60 ft | Asphalt, good | Medium-intensity lights |
- Runway 11: PAPI, two lights on the left
- Runway 29: PAPI, two lights on the left
- Runway 04: PAPI, two lights on the left
- Runway 22: PAPI, two lights on the left
Radio frequencies
| Common traffic advisory (CTAF) · UNICOM | 122.8 | |
| Mrj and aWOS-3 | 118.525 | |
| Dubuque and center (remote transmitter) Low | 133.95 |
Automated weather (AWOS-3), by phone 608-987-2157.
Based aircraft as counted for the FAA, fiscal year 2024
Takeoffs and landings a year about 6,750, 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 Mineral Point from the FAA register
16 aircraft are registered to owners in Mineral Point, Wisconsin: 12 piston singles, 2 balloons, 1 piston twin, 1 drone. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, never named. All aircraft registered in Wisconsin.
Accidents and incidents at or near this airport NTSB records · 3 since 1982, 0 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
- Medium-intensity runway lights runway 11/29 preset to low sunset to sunrise; to incr intst and activate PAPI runway 04, 11, 22 and 29; medium-intensity runway lights runway 04/22 - the common traffic frequency.
- Fuel available 24 hour self service.
- Birds on and in the vicinity of airport.
- For noise abatement prefered no wind runway is runway 29.
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.