| FAA Information Effective: | 2013-12-12 | 
| Airport Identifier: | 4WI1 | 
| Airport Status: | Operational | 
| Longitude/Latitude: | 089-11-00.4120W/43-28-59.9460N -89.183448/43.483318 (Estimated) | 
| Elevation: | 840 ft / 256.03 m (Estimated) | 
| Land: | 0 acres | 
| From nearest city: | 1 nautical miles E of Rio, WI | 
| Location: | Columbia County, WI | 
| Magnetic Variation: | 00E (1985) | 
| Ownership: | Privately owned | 
| Owner: | M. James Bancroft | 
| Address: | W3798 Old B Rd. Rio, WI 53960 | 
| Phone number: | 414-348-5738 | 
| Manager: | M. James Bancroft | 
| Address: | W3798 Old B Rd. Rio, WI 53960 | 
| Phone number: | 414-348-5738 | 
| Airport Use: | Private | 
| Wind indicator: | Yes | 
| Segmented Circle: | No | 
| Control Tower: | No | 
| Sectional chart: | Chicago | 
| Region: | AGL - Great Lakes | 
| Boundary ARTCC: | ZAU - Chicago | 
| Tie-in FSS: | GRB - Green Bay | 
| FSS on Airport: | No | 
| FSS Toll Free: | 1-800-WX-BRIEF | 
| Dimension: | 2600 x 70 ft / 792.5 x 21.3 m | 
| Surface: | TURF, | 
| Runway 06 | Runway 24 | |
|---|---|---|
| Traffic Pattern: | Left | Left | 
| FILED FOR RECORD PURPOSES ONLY. |