Muhlenberg County

M21 · Greenville, KY · Non-towered · Print kneeboard · Open on the map

Elevation
428 ft MSL
Longest runway
4,999 ft 06/24
Runway
1
Mag var
3W

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Weather

METAR observed

No weather station at M21. Nearby reporting stations: KJQD (20 NM), KHVC (26 NM), KOWB (31 NM).

TAF forecast

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Sun & FAA night2026-09-21 · night begins 07:13 PM
EventLocal (CDT)UTC
Morning civil twilight
Loggable night ends
06:09 AM11:09Z
Sunrise06:35 AM11:35Z
Sunset06:47 PM23:47Z
Evening civil twilight
Loggable night begins
07:13 PM00:13Z
Loggable night (§1.1)
07:13 PM → 06:09 AM
Night currency (§61.57)
07:47 PM → 05:35 AM

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

NOTAMs · Loading NOTAMs…

Pilot reports · Loading PIREPs…

Airspace hazards · Checking SIGMETs and G-AIRMETs…

Temporary flight restrictions · Checking for TFRs…

Runways

5,000 ftNMNxw 149°downwind 059°base 329°final 239°45° entry2406

RWY 24LEFT traffic

Heading
239° mag · 236° true
Dimensions
4,999 × 75 ft
TPA
1,400 ft MSL (≈1,000 AGL) · standard
Surface
Asphalt
Lights
2-light PAPI (left) (4.5°)
Displaced thr
400 ft
CTAF
123.0

Enter the left downwind (heading 059°) on the 45° at 1,400 ft MSL (≈1,000 AGL).

More details — RWY 24
Threshold elev
428 ft
Markings
nonprecision
Approach obstacle
Road, 62 ft, 1,276 ft from threshold, 30 ft B of centerline — 17:1 slope to clear · penetrates the 20:1 visual approach surface
Threshold crossing height
37 ft
TDZ elevation
425 ft
Declared TORA/TODA/ASDA/LDA
5,000 / 5,000 / 5,000 / 4,600 ft
End lights
REIL

Condition: Good. Edge lights: Med. Weight bearing: Single wheel 18k.

Pattern side + displaced threshold: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

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

ASOS/AWOS
120.45

Taxi & takeoff

CTAF
123.0
UNICOM
123.0

Departure & arrival

“Campbell”
App/Dep
118.1

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)
FrequencyUsed by
269.525APCH/P DEP/P

Source: FAA NASR (current 28-day cycle).

Nearby navigation aids

OWB 108.65 · HXW 114.90 · CKV 110.60
NavAidTypeFreq · chRangeRadial / Dist magnetic
OWB · Owensboro VOR/DME 108.65 · 23Y Low r183° / 31.1 NM
HXW · Screaming Eagle TACAN 114.90 · 96X r027° / 38.1 NM
CKV · Clarksville VOR/DME 110.60 · 43X Terminal r020° / 38.3 NM

Prefer one flat list? All M21 frequencies →

Charts & procedures

Airport

VFR sectional →

Airport info

Airport information

FAA LID
M21
Coordinates
37.2262, -87.1564
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 123.0Chart Supplement ↗

Runway lighting aids — 06: 2-light PAPI (left) · 24: 2-light PAPI (left).

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
Owner
MUHLENBERG COUNTY
MUHLENBERG CO COURTHOUSE, GREENVILLE, KY
270-338-9419
Manager
ED TACKETT
399 AIRPORT RD, GREENVILLE, KY
270-225-8093
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 (private) (11 NM) · 2I0 Madisonville Regional (14 NM) · 94KY Woosley (private) (18 NM) · 96KY Woosley Field (private) (20 NM)

About M21

Muhlenberg County (M21) is an airport in Greenville, KY, at 428 ft MSL. It has 1 runway, the longest 4,999 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 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 has 1 runway; the longest is 4,999 ft. See the Runways section for headings, surface, and lighting.

Where is M21?

Muhlenberg County is in Greenville, KY, at an elevation of 428 ft MSL. Coordinates: 37.2262, -87.1564.

More about M21

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.

Something here wrong or out of date? Report a data problem.