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Iowa County Airport

MRJ · KMRJ · Mineral Point, WI · 1,171 ft elevation · var 0W · Towered

Airport information

ICAO / IATA
KMRJ
Coordinates
42.8868, -90.2362
Elevation
1,171 ft MSL
Magnetic variation
0W
Sectional chart
CHICAGO
Airport use
Public
Control tower
Yes
ARTCC
CHICAGO (ZAU)
Flight service (FSS)
GREEN BAY
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

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-20

EventLocal (CDT)UTC
Morning civil twilight
Loggable night ends
04:47 AM09:47Z
Sunrise05:22 AM10:22Z
Sunset08:43 PM01:43Z
Evening civil twilight
Loggable night begins
09:18 PM02:18Z
Loggable night (§1.1)
09:18 PM → 04:47 AM
Night currency (§61.57)
09:43 PM → 04:22 AM

Plan a flight from KMRJ

Runway 04/22

3,600 ft × 60 ft · Asphalt (Good)

Edge lights: Med. Weight bearing: Single wheel 12.5k.

04
Heading
040° mag · 40° true
Markings
nonprecision
VGSI
2-light PAPI (left) (3°)
Traffic pattern
Left
22
Heading
220° mag · 220° true
Markings
nonprecision
VGSI
2-light PAPI (left) (3°)
Traffic pattern
Left

Runway 11/29

5,001 ft × 75 ft · Asphalt (Excellent)

Edge lights: Med.

11
Heading
111° mag · 111° true
Markings
nonprecision
VGSI
2-light PAPI (left) (3°)
Traffic pattern
Left
29
Heading
291° mag · 291° true
Markings
nonprecision
VGSI
2-light PAPI (left) (3°)
Traffic pattern
Left

Communication frequencies

ServiceFrequencyNotes
AWOS118.525AWOS 3
CNTR133.95CHICAGO CNTR
UNIC122.8CTAF/UNICOM

Nearby navigation aids

NavAidTypeFreqRadial / Dist magnetic
LNR · Lone RockVOR-DME112.80r191° / 24.9 NM
DBQ · DubuqueVORTAC115.80r031° / 35.8 NM

Approaches

Chart Supplement FAA A/FD

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Services

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

Owner
IOWA COUNTY
222 N. IOWA STREET, DODGEVILLE, WI
608-987-9931
Manager
CODY WILLIAMS
3151 STATE RD 39, MINERAL POINT, WI
608-553-7571

Remarks FAA

  • BIRDS ON & INVOF ARPT.
  • FOR NOISE ABATEMENT PREFERED NO WIND RY IS RY 29.
  • FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
  • 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 AVBL 24 HR SELF SVC.

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.