AirportLookupSim Database

Reference only — not for real-world navigation.

KMFI

Marshfield Municipal Airport · Marshfield

Key Facts

Essential technical summary for MSFS 2020/2024 and X-Plane.

ILS Approach StatusILS DATA NOT IN DATABASE

Field Elevation

1,277 ft / 389 m

Transition Altitude

18,000 ft

Primary Channel

ASOS 121.58 MHz (ASOS)

Live Conversion

inHg

hPa

Details Runways Frequencies Navaids Nearby

Runway Summary (Quick-Links)

16/34 · 5,000 ft · AsphaltLIGHTED 04/22 · 3,600 ft · AsphaltLIGHTED

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Welcome to the technical flight briefing for Marshfield Municipal Airport (KMFI), located in Marshfield, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 1,277 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.

Airport Details

Full geographical and organizational metadata.

Full Name

Marshfield Municipal Airport

ICAO / IATA

KMFI / MFI

Municipality

Marshfield

Country

US — United States

Region

US-WI — Wisconsin

GPS Coordinates

📍 44.636902, -90.189301 🗺️

Transition Altitude

18,000 ft

Elevation

1,277 ft

Wikipedia

Pilot Toolbox

External charts, live tracking and weather reports.

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Runways & ILS Approach Data

Detailed dimensions and instrument landing frequencies.

Runway 16 / 34

LIGHTED

Runway Length: 5,000 ft / 1,524 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 158.6° / 338.6°

RWY 16 (158.6°)

No ILS / Visual Only

RWY 34 (338.6°)

No ILS / Visual Only

Runway 04 / 22

LIGHTED

Runway Length: 3,600 ft / 1,097 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 46.9° / 226.9°

RWY 04 (46.9°)

No ILS / Visual Only

RWY 22 (226.9°)

No ILS / Visual Only

Nearby Navaids

Ground-based navigation aids (VOR, NDB, DME) in the vicinity or associated with this airport.

CW · NDB (Danci)275 kHz

44.760502, -89.789299 · 1,235 ft

MFI · NDB (Marshfield)391 kHz

44.640900, -90.187698 · 1,277 ft

VIQ · NDB (Neillsville)368 kHz

44.557201, -90.515099 · 1,204 ft

Communication Frequencies

Air traffic control and advisory channels.

ASOS ASOS

121.58 MHz

CNTR MINNEAPOLIS CNTR

124.40 MHz

RDO GREEN BAY RDO

122.55 MHz

UNIC CTAF/UNICOM

123.00 MHz

Nearby Airports

Alternative airports in the vicinity (km & nm).

Central Wisconsin Airport

Wausau Downtown Airport

Chippewa Valley Regional Airport

La Crosse Regional Airport

Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026