| Marshfield Municipal Airport | |
| Iata: | MFI |
| Icao: | KMFI |
| Faa: | MFI |
| Type: | Public |
| Owner: | City of Marshfield |
| City-Served: | Marshfield, Wisconsin |
| Timezone: | CST |
| Summer: | CDT |
| Elevation-F: | 1,278 |
| Coordinates: | 44.6369°N -90.1894°W |
| Pushpin Map: | USA Wisconsin#USA |
| Pushpin Relief: | yes |
| Pushpin Map Caption: | Location of airport in Wisconsin |
| Pushpin Label: | MFI |
| Pushpin Label Position: | bottom |
| R1-Number: | 16/34 |
| R1-Length-F: | 5,002 |
| R1-Surface: | Asphalt |
| R2-Number: | 5/23 |
| R2-Length-F: | 3,597 |
| R2-Surface: | Asphalt |
| Stat1-Header: | Aircraft operations (2023) |
| Stat1-Data: | 23,050 |
| Stat2-Header: | Based aircraft (2024) |
| Stat2-Data: | 16 |
| Footnotes: | Source: Federal Aviation Administration[1] |
Marshfield Municipal Airport is a city owned public use airport located one nautical mile (2 km) south of the central business district of Marshfield, a city in Wood County, Wisconsin, United States. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2021–2025, in which it is categorized as a local general aviation facility.[2]
Marshfield Municipal Airport covers an area of 552 acres (223 ha) at an elevation of 1,278 feet (390 m) above mean sea level. It has two asphalt paved runways: the primary runway 16/34 is 5,002 by 100 feet (1,525 x 30 m) with approved GPS and NDB approaches; the crosswind runway 5/23 is 3,597 by 100 feet (1,096 x 30 m) also with approved GPS and NDB approaches.
The non-directional beacon navigational aid associated with the airport is the Marshfield NDB (MFI), 391 kHz, which is located on the field.
For the 12-month period ending August 2, 2023, the airport had 23,050 aircraft operations, an average of 63 per day: 88% general aviation, 11% air taxi and less than 1% military. In August 2024, there were 16 aircraft based at this airport: 11 single-engine, 3 multi-engine, 1 jet and 1 helicopter.[3]