Iowa County
MRJ · KMRJ · Mineral Point, WI · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-09-18 · night begins 07:34 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:15 AM | 11:15Z |
| Sunrise | 06:44 AM | 11:44Z |
| Sunset | 07:06 PM | 00:06Z |
| Evening civil twilight Loggable night begins | 07:34 PM | 00:34Z |
Plan a flight from KMRJ
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: KMRJ METAR decoded
Advisories
NOTAMs · Loading NOTAMs…
Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 11LEFT traffic
- Heading
- 111° mag · 111° true
- Dimensions
- 5,001 × 75 ft
- TPA
- 2,200 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Lights
- 2-light PAPI (left) (3°)
- CTAF
- 122.8
Enter the left downwind (heading 291°) on the 45° at 2,200 ft MSL (≈1,000 AGL).
More details — RWY 11
- Threshold elev
- 1,129 ft
- Markings
- nonprecision
- Threshold crossing height
- 43 ft
- TDZ elevation
- 1,152 ft
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 11/29 | 5,001 ft | |
| 04/22 | 3,600 ft |
Prefer one flat page? Full runway details for KMRJ → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KMRJ kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
Taxi & takeoff
Also
By procedure & sector (1 frequencies)
| Frequency | Used by |
|---|---|
| 281.4 | DUBUQUE RCAG (LOW) |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
DBQ 115.80
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| DBQ · Dubuque | VORTAC | 115.80 · 105X | High | r031° / 35.9 NM |
Prefer one flat list? All KMRJ frequencies →
Charts & procedures
Lowest minimums here: RNAV (GPS) with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KMRJ, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / FAA LID
- KMRJ / MRJ
- Coordinates
- 42.8869, -90.2367
- Elevation
- 1,171 ft MSL
- Magnetic variation
- 0W
- Sectional chart
- CHICAGO
- Airport use
- Public
- Control tower
- No
- Airspace
- Class E
- Weather station
- AWOS-3 · 118.525 · ☎ 608-987-2157
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- GREEN BAY · 122.2 · 1-800-WX-BRIEF
- NOTAM facility
- MRJ
- Attendance
- MON-FRI 0600-1600; SAT-SUN ON CALL
- Beacon
- white-green (SS-SR)
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1962/04
- Distance from city
- 3 NW
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- MIRL RWY 11/29 PRESET TO LOW SS-SR; TO INCR INTST AND ACTVT PAPI RWY 04, 11, 22 & 29; MIRL RWY 04/22 - CTAF. on 122.8 — Chart Supplement ↗
Runway lighting aids — 11: 2-light PAPI (left) · 29: 2-light PAPI (left) · 04: 2-light PAPI (left) · 22: 2-light PAPI (left).
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL, Jet A (additive)
- Bottled oxygen
- LOW
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Instruction
Ownership & management 2 contacts
Remarks FAA · 5 notes
General
- BIRDS ON & INVOF ARPT.
- FOR NOISE ABATEMENT PREFERED NO WIND RY IS RY 29.
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
Lighting
- MIRL RWY 11/29 PRESET TO LOW SS-SR; TO INCR INTST AND ACTVT PAPI RWY 04, 11, 22 & 29; MIRL RWY 04/22 - CTAF.
Fuel
- FUEL AVBL 24 HR SELF SVC.
Embed KMRJ weather on your site free widget for schools, clubs & FBOs
Live METAR, flight category, and favored runway for KMRJ — paste this into your website's HTML. It updates automatically and stays free.
More widgets — crosswind, E6B, density altitude — on the embed page.
Nearby airports
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Also nearby: WI16 Jim Benson Field (private) (5 NM) · WN28 Hird (private) (6 NM) · 89WI Tuschen (private) (9 NM) · 22WN Southwind (private) (11 NM) · 3WN1 Digger Doug (private) (15 NM)
About KMRJ
Iowa County (MRJ · KMRJ) is an airport in Mineral Point, WI, at 1,171 ft MSL. It has 2 runways, the longest 5,001 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KMRJ, refreshed from the Aviation Weather Center and FAA NASR.
Does KMRJ have a control tower?
No. Iowa County is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KMRJ?
Iowa County has 2 runways; the longest is 5,001 ft. See the Runways section for headings, surface, and lighting.
Where is KMRJ?
Iowa County is in Mineral Point, WI, at an elevation of 1,171 ft MSL. Coordinates: 42.8869, -90.2367.
More about KMRJ
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KMRJ in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
Something here wrong or out of date? Report a data problem.