| 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. |