Muhlenberg County Airport
M21 · Greenville, KY · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-07 · night begins 08:18 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:30 AM | 10:30Z |
| Sunrise | 05:58 AM | 10:58Z |
| Sunset | 07:50 PM | 00:50Z |
| Evening civil twilight Loggable night begins | 08:18 PM | 01:18Z |
Plan a flight from M21
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
Airspace hazards
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Runways
RWY 23LEFT traffic
- Heading
- 239° mag · 236° true
- Dimensions
- 5,000 × 75 ft
- TPA
- 1,400 ft MSL (≈1,000 AGL) · standard
- Surface
- ASP
- CTAF
- 123.0
Enter the left downwind (heading 059°) on the 45° at 1,400 ft MSL (≈1,000 AGL).
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 05/23 | 5,000 ft |
Prefer one flat page? Full runway details for M21 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the M21 kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
Taxi & takeoff
Departure & arrival
“Campbell”ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).
By procedure & sector (1 frequencies)
| Frequency | Used by |
|---|---|
| 269.525 | APCH/P DEP/P |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
OWB 108.65 · HXW 114.90 · CKV 110.60
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| OWB · Owensboro | VOR/DME | 108.65 · 23Y | Low | r183° / 31.1 NM |
| HXW · Screaming Eagle | TACAN | 114.90 · 96X | — | r027° / 38 NM |
| CKV · Clarksville | VOR/DME | 110.60 · 43X | Terminal | r020° / 38.3 NM |
Prefer one flat list? All M21 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- M21
- Coordinates
- 37.2260, -87.1570
- Elevation
- 428 ft MSL
- Magnetic variation
- 3W
- Sectional chart
- ST LOUIS
- Airport use
- Public
- Control tower
- No
- Weather station
- AWOS-3 · 120.45 · ☎ 270-338-7788
- ARTCC
- MEMPHIS (ZME)
- Flight service (FSS)
- LOUISVILLE · 122.2 · 1-800-WX-BRIEF
- NOTAM facility
- LOU
- Attendance
- MON-FRI 0800-1700
- Beacon
- white-green (SS-SR)
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1960/11
- Distance from city
- 2 NE
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT REIL RWY 06 & 24; PAPI RWY 06 & 24; MIRL RWY 06/24 - CTAF. on 123.0 — Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL, Jet A (additive)
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Air ambulance
Ownership & management 2 contacts
Remarks FAA · 5 notes
General
- FOR CD CTC CAMPBELL APCH AT 270-798-6441.
Lighting
- ACTVT REIL RWY 06 & 24; PAPI RWY 06 & 24; MIRL RWY 06/24 - CTAF.
Fuel
- FUEL AVBL H24 WITH CREDIT CARD.
Obstructions
- 27:1 AT DSPLCD THR.
Attendance
- AFT HR - AMGR.
Nearby airports
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Also nearby: 5KY6 HP Field (private) (7 NM) · 80KY David Lowe Airport (private) (11 NM) · 17KY Lester Airfield (11 NM) · 24KY Williams Farm Airport (13 NM) · 2I0 Madisonville Regional Airport (14 NM) · 93KY Baggett Farms Airport (private) (15 NM)
About M21
Muhlenberg County Airport (M21) is an airport in Greenville, KY, at 428 ft MSL. It has 1 runway, the longest 5,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for M21, refreshed from the Aviation Weather Center and FAA NASR.
Does M21 have a control tower?
No. Muhlenberg County Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at M21?
Muhlenberg County Airport has 1 runway; the longest is 5,000 ft. See the Runways section for headings, surface, and lighting.
Where is M21?
Muhlenberg County Airport is in Greenville, KY, at an elevation of 428 ft MSL. Coordinates: 37.2260, -87.1570.
Fly out of M21 often?
Save M21 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open M21 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.