| FAA Information Effective: | 2013-12-12 |
| Airport Identifier: | 21WI |
| Airport Status: | Operational |
| Longitude/Latitude: | 092-43-04.2000W/44-57-44.8000N -92.717833/44.962444 (Estimated) |
| Elevation: | 858 ft / 261.52 m (Estimated) |
| Land: | 0 acres |
| From nearest city: | 1 nautical miles NW of Hudson, WI |
| Location: | St Croix County, WI |
| Magnetic Variation: | () |
| Ownership: | Privately owned |
| Owner: | Hudson Hospital |
| Address: | 405 Stageline Rd Hudson, WI 54016 |
| Phone number: | 715-531-6000 |
| Manager: | Kendall Hicks |
| Address: | 405 Stageline Rd Hudson, WI 54016 |
| Phone number: | 715-531-6012 |
| Airport Use: | Private |
| Wind indicator: | Yes |
| Segmented Circle: | No |
| Control Tower: | No |
| Beacon Color: | Clear-Green-Yellow (heliport) |
| Sectional chart: | Twin Cities |
| Region: | AGL - Great Lakes |
| Boundary ARTCC: | ZMP - Minneapolis |
| Tie-in FSS: | GRB - Green Bay |
| FSS Toll Free: | 1-800-WX-BRIEF |
| Dimension: | 86 x 56 ft / 26.2 x 17.1 m |
| Surface: | CONC, |
| Runway HI | Runway | |
|---|---|---|
| Traffic Pattern: | Left | Left |
| PRVDD APCH/DEP FM 180-060, AREA IS MKD & LIGHTED FOR NIGHT OPNS. |