| Winona Municipal Airport | |
| Nativename: | Max Conrad Field |
| Iata: | ONA |
| Icao: | KONA |
| Faa: | ONA |
| Type: | Public |
| Operator: | City of Winona |
| Location: | Winona, Minnesota |
| Elevation-F: | 656 |
| Elevation-M: | 200 |
| Pushpin Map: | USA Minnesota#USA |
| Pushpin Relief: | yes |
| Pushpin Label: | ONA |
| Pushpin Label Position: | left |
| R1-Number: | 12/30 |
| R1-Length-F: | 5,679 |
| R1-Length-M: | 1,731 |
| R1-Surface: | Asphalt |
| Stat1-Header: | Aircraft operations (2019) |
| Stat1-Data: | 10,450 |
| Stat2-Header: | Based aircraft (2021) |
| Stat2-Data: | 30 |
Winona Municipal Airport (Max Conrad Field) is located three miles northwest of Winona, Minnesota and next to Goodview on the Mississippi River, in Winona County, Minnesota. It has no scheduled airline flights.
The airport covers 575 acres (233 ha) at an elevation of 656 feet (200 m). It has one asphalt runway: 12/30 is 5,679 by 100 feet (1,731 x 30 m).[1]
For the year ending July 31, 2019 the airport had 10,450 aircraft operations, an average of 29 per day: 92% general aviation, 8% air taxi and less than 1% military.In December 2021, there were 30 aircraft based at this airport: 26 single-engine, 2 multi-engine, 1 jet and 1 glider.