| FAA Information Effective: | 2013-12-12 |
| Airport Identifier: | MU21 |
| Airport Status: | Operational |
| Longitude/Latitude: | 091-31-03.5860W/38-31-25.1680N -91.517663/38.523658 (Estimated) |
| Elevation: | 630 ft / 192.02 m (Estimated) |
| Land: | 0 acres |
| From nearest city: | 2 nautical miles NE of Bay, MO |
| Location: | Gasconade County, MO |
| Magnetic Variation: | 03E (1985) |
| Ownership: | Privately owned |
| Owner: | Michael W. Miller |
| Address: | 1136 White Lake Dr St Charles, MO 63301 |
| Phone number: | 314-946-7338 |
| Manager: | Michael W. Miller |
| Address: | 1136 White Lake Dr St Charles, MO 63301 |
| Phone number: | 573-946-7338 |
| Airport Use: | Private |
| Wind indicator: | Yes |
| Segmented Circle: | No |
| Control Tower: | No |
| Sectional chart: | Kansas City |
| Region: | ACE - Central |
| Boundary ARTCC: | ZKC - Kansas City |
| Tie-in FSS: | STL - Saint Louis |
| FSS on Airport: | No |
| FSS Toll Free: | 1-800-WX-BRIEF |
| Dimension: | 1800 x 50 ft / 548.6 x 15.2 m |
| Surface: | TURF, |
| Runway 11 | Runway 29 | |
|---|---|---|
| Traffic Pattern: | Left | Left |
| Obstruction: | 50 ft trees, 50.0 ft from runway |
| PRVDD MAINTAIN A CLEAR 20:1 APCH SFC AND 7:1 TRANSITIONAL SFC. |