Marshfield Municipal Airport
MFI · KMFI · Marshfield, WI · 1,277 ft elevation · var 0E · Non-towered
Airport information
- ICAO / IATA
- KMFI / MFI
- Coordinates
- 44.6369, -90.1893
- Elevation
- 1,277 ft MSL
- Magnetic variation
- 0E
- Sectional chart
- GREEN BAY
- Airport use
- Public
- Control tower
- No
- Weather station
- ASOS · 121.575 · ☎ 715-384-3046
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- GREEN BAY
- NOTAM facility
- MFI
- Attendance
- MON-SAT 0800-1700
- Beacon
- white-green (SS-SR)
- Segmented circle
- No
- Wind indicator
- lighted
- Activated
- 1945/09
- Distance from city
- 1 S
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:38 AM | 09:38Z |
| Sunrise | 05:15 AM | 10:15Z |
| Sunset | 08:50 PM | 01:50Z |
| Evening civil twilight Loggable night begins | 09:27 PM | 02:27Z |
Plan a flight from KMFI
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- MIRL RWY 05/23 & RWY 16/34 PRESET TO LOW SS-SR; TO INCR INTST AND ACTVT MALSR RWY 34; REIL RWY 16; VASI RWY 16 & 34; PAPI RWY 05; MIRL RWY 5/23 & RWY 16/34 - CTAF. on 123.0 — Chart Supplement ↗
Runway lighting aids — 16: VASI · 34: VASI + MALSR.
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 04 · 047°
- Pattern
- left (turns left)
- TPA
- 2,300 ft MSL (≈1,000 AGL)
- CTAF
- 123.0
Enter the left downwind for Rwy 04 at 2,300 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 04/22
3,600 ft × 100 ft · ASP- Heading
- 047° mag · 47° true
- Heading
- 227° mag · 227° true
Runway 16/34
5,003 ft × 100 ft · Asphalt (Fair)- Heading
- 159° mag · 159° true
- Markings
- nonprecision
- VGSI
- VASI (3°)
- Traffic pattern
- Right
- Approach obstacle
- Trees, 120 ft, 2,280 ft from threshold, 580 ft R of centerline — 17:1 slope to clear · penetrates the 20:1 visual approach surface
- End lights
- REIL
- Heading
- 339° mag · 339° true
- Markings
- nonprecision
- VGSI
- VASI (3°)
- Approach lights
- MALSR
- Traffic pattern
- Left
- Approach obstacle
- Trees, 15 ft, 230 ft from threshold, 480 ft L of centerline — 2:1 slope to clear · penetrates the 20:1 visual approach surface
| Runway | Length | Your margin |
|---|---|---|
| 04/22 | 3,600 ft | |
| 16/34 | 5,003 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| CTAF | 123.0 | MIRL RWY 05/23 & RWY 16/34 PRESET TO LOW SS-SR; TO INCR INTST AND ACTVT MALSR RWY 34; REIL RWY 16; VASI RWY 16 & 34; PAPI RWY 05; MIRL RWY 5/23 & RWY 16/34 - CTAF. |
| UNICOM | 123.0 | |
| MFI ASOS | 121.575 | |
| MARSHFIELD RCO | 122.5 | |
| MOSINEE RCAG | 124.4 | APCH/DEP SVC PRVDD BY MINNEAPOLIS ARTCC ON FREQS 124.4/317.7 (MOSINEE RCAG). |
| MOSINEE RCAG | 317.7 | APCH/DEP SVC PRVDD BY MINNEAPOLIS ARTCC ON FREQS 124.4/317.7 (MOSINEE RCAG). |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| AUW · Wausau | VORTAC | 111.60 | r242° / 28.6 NM |
| STE · Stevens Point | VORTAC | 110.60 | r283° / 28.7 NM |
Procedures at a glance
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL, Jet A (additive)
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MINOR
- Parking
- tiedowns, hangars
- Other services
- Air ambulance, Charter, Instruction, Rental
Ownership & management
Remarks FAA
- BIRDS, WATERFOWL & DEER ON & INVOF ARPT.
- RY 34 DEPARTING ACFT CLIMB TO 2000 FT MSL PRIOR TO INITIATING RIGHT TURN.
- FOR CD IF UNA TO CTC ON FSS FREQ, CTC MINNEAPOLIS ARTCC AT 651-463-5588.
- MIRL RWY 05/23 & RWY 16/34 PRESET TO LOW SS-SR; TO INCR INTST AND ACTVT MALSR RWY 34; REIL RWY 16; VASI RWY 16 & 34; PAPI RWY 05; MIRL RWY 5/23 & RWY 16/34 - CTAF.
- FOR AFT HRS SVC CALL 715-743-6634.
- 24 HR FUEL AVBL WITH CREDIT CARD.
Nearby airports
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 KMFI 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.
About KMFI
Marshfield Municipal Airport (MFI · KMFI) is an airport in Marshfield, WI, at 1,277 ft MSL. It has 2 runways, the longest 5,003 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KMFI, refreshed from the Aviation Weather Center and FAA NASR.
Does KMFI have a control tower?
No. Marshfield Municipal Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at KMFI?
Marshfield Municipal Airport has 2 runways; the longest is 5,003 ft. See the Runways tab for headings, surface, and lighting.
Where is KMFI?
Marshfield Municipal Airport is in Marshfield, WI, at an elevation of 1,277 ft MSL. Coordinates: 44.6369, -90.1893.
Fly out of KMFI often?
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