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The Pilots Desk
Small airport

Iowa County Airport

ICAO KMRJLocal MRJ🇺🇸 Mineral Point
Coordinates
42.8868°N, 90.2362°W
Elevation
1,171 ft (357 m)
Type
Small airport
Region
US-WI
Time zone
Chicago(UTC-05:00)
Magnetic variation
2.3° W

Daylight today(Jul 16, 2026, local time)

Civil dawn
05:03
Sunrise
05:37
Sunset
20:38
Civil dusk
21:12

About 15h 1m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.

About Iowa County Airport

Iowa County Airport is a county-owned public-use airport located three nautical miles (6 km) northwest of the central business district of Mineral Point, a city in Iowa County, Wisconsin, United States. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2025–2029, in which it is categorized as a local general aviation facility.

Summary from Wikipedia licensed under CC BY-SA.

Live weather

KMRJ

Live departures & arrivals

Loading live flights…

Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.

Where you can fly from here

Loading current routes…

Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (2)

RunwayLengthWidthSurfaceLightingStatus
11 / 295,001 ft / 1,524 m75 ftAspLightedOpen
04 / 223,600 ft / 1,097 m60 ftAspLightedOpen

Radio frequencies (3)

TypeDescriptionFrequency
AWOSAWOS 3118.525 MHz
CNTRCHICAGO CNTR133.950 MHz
UNICCTAF/UNICOM122.800 MHz

Instrument procedures & charts

Cycle 2606 · effective Jun 11, 2026 – Jul 9, 2026 Not for navigation — confirm currency on the official FAA source.

Charts published by the FAA (public domain) and updated each 28-day cycle. Always fly the current, official chart. Full charts page.

Airspace in this area(1)

NameClassTypeFloorCeiling
MINERAL POINT CLASS E2Class EControlledGND17999 ft MSL

Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.

Tall obstacles nearby

ObstacleHeight AGLTop (MSL)Lit
Obstacle1,178 ft
Obstacle1,181 ft
Obstacle1,148 ft
Obstacle1,165 ft
Obstacle1,175 ft
Obstacle1,175 ft
Obstacle1,178 ft
Obstacle1,165 ft

Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.

Nearby airports

Great-circle distance and true bearing from Iowa County Airport.

Wikipedia Live ATC audio Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

Frequently asked questions

What is the ICAO code for Iowa County Airport?

The ICAO code for Iowa County Airport is KMRJ.

Where is Iowa County Airport located?

Iowa County Airport is small airport located in Mineral Point, United States, at an elevation of 1,171 ft (357 m).

How many runways does Iowa County Airport have?

Iowa County Airport has 2 runways, the longest being 5,001 ft / 1,524 m.

What time zone is Iowa County Airport in?

Iowa County Airport is in the America/Chicago time zone (UTC-05:00).

What is the magnetic variation at Iowa County Airport?

The magnetic variation (declination) at Iowa County Airport is approximately 2.3° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Iowa County Airport?

The nearest airport to Iowa County Airport is Jim Benson Field (WI16), about 5.1 nm to the ese, followed by Hird Airport and Tuschen Airport.

Is the information on this page suitable for flight planning?

No. Iowa County Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.