📍 Greenville⬆ 422 ft1 runways
KM21 ·
Muhlenberg County Airport
37.22620°N
-87.15640°W
ARR / DAY
0
▲
0.0%
DEP / DAY
0
▲
0.0%
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.
Safety incidents
Last 1 days · 0 total
Current weather
Latest METAR observation
Temp
91°F
Wind
5 kts
210°
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
60% of ops
44 land · 15 TO
23
40% of ops
29 land · 18 TO
Runway 05 carries 60% of operations (44 landings, 15 takeoffs) over the last 30 days. The next most-used is 23 at 40%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
05
44 landings
UA 0%
23
29 landings
UA 0%
Approaches to 05 show a 0% unstable-approach rate (0 UA events from 44 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
3.2
flights/day · 97 total
Busy hour (local)
2pm
also 6pm · 7pm
Day vs night
65%
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+
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All flight data subject to ODbL attribution
·
Updated 02:49 UTC