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.[1]
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]