📍 Greenville⬆ 422 ft1 runways
KM21 ·
Muhlenberg County Airport
37.22620°N
-87.15640°W
ARR / DAY
2
▲
266.7%
DEP / DAY
4
▲
333.3%
Muhlenberg County Airport (KM21) is a small general aviation airport located in Greenville, KY, 49 mi north of Clarksville. It features 1 runway measuring 5,000 feet. SkyMeter has observed roughly 2 arrivals and 4 departures per day on average over the last 7 days.
Safety incidents
Last 7 days · 0 total
Current weather
Latest METAR observation
Temp
91°F
Wind
8 kts
230°
Visib
10+ km
Ceil
—
Runways
1 installed
05/23
5,000 ft × 75
ASP● LIT
Runway intelligence
Which runway carries the operations, observed over the last 30 days
05
52% of ops
64 land · 43 TO
23
48% of ops
59 land · 20 TO
Runway 05 carries 52% of operations (64 landings, 43 takeoffs) over the last 30 days. The next most-used is 23 at 48%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
05
64 landings
UA 0%
23
59 landings
UA 0%
Approaches to 05 show a 0% unstable-approach rate (0 UA events from 64 landings).Phase B will add wind-correlation: which crosswind band produces most UA events.
Traffic behavior
When the field is busy: hourly + weekday vs weekend
Daily avg
4.2
flights/day · 126 total
Busy hour (local)
3pm
also 6pm · 2pm
Day vs night
66%
06:00–20:00 local
Communications Frequencies
2026-06-11| Type | Freq (MHz) | Hours |
|---|---|---|
| CTAF | 123.000 | — |
| APCH | 118.100 | — |
| APCH | 269.525 | — |
| UNICOM | 123.000 | — |
| AWOS | 120.450 | — |
Airport operations
- ARTCC:
- ZME
- Mag var:
- 3° W
- Fuel:
- 100LL, A+
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 22:52 UTC