KM21 Muhlenberg County Airport
Greenville, Kentucky, United States
Not for navigation. Data: OurAirports (public domain); FAA NASR (US Government public domain), updated Nov 8, 2026.
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Airport facts
- Ident
- KM21
- FAA LID
- M21
- Type
- Small airport
- Public use
- Yes
- Municipality
- Greenville
- Region
- Kentucky
- Country
- United States
- Elevation
- 422 ft (129 m)
- Coordinates
- 37.2260° N 87.1570° W
37°13′33″N 87°09′25″W - Towered
- No
- Chart Supplement
- Chart Supplement (opens in a new tab)2611 M21
Runways
| Runway | Length × width | Surface | Lighted | Status |
|---|---|---|---|---|
| 05/23 | 5,000 × 75 ft | Asphalt | Yes | Open |
Frequencies
| Type | Name | MHz |
|---|---|---|
| AWOS | AWOS-3 | 120.450 |
| CTAF | 123.000 | |
| UNIC | 123.000 | |
| APP/DEP | 118.100 | |
| APP/DEP | 269.525 |