Mason County Airport

LDM · KLDM · Ludington, MI · Non-towered · Print kneeboard

Elevation
647 ft MSL
Longest runway
5,003 ft 08/26
Runways
2
Mag var
3W

Nearby now

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Weather

METAR observed

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TAF forecast

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Sun & FAA night2026-08-03 · night begins 09:40 PM
EventLocal (EDT)UTC
Morning civil twilight
Loggable night ends
06:03 AM10:03Z
Sunrise06:36 AM10:36Z
Sunset09:07 PM01:07Z
Evening civil twilight
Loggable night begins
09:40 PM01:40Z
Loggable night (§1.1)
09:40 PM → 06:03 AM
Night currency (§61.57)
10:07 PM → 05:36 AM

Plan a flight from KLDM

Past 24 hours category · wind · ceiling · visibility trends

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Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Advisories

NOTAMs

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Pilot reports

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Airspace hazards

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Runways

5,000 ftNMNxw 095°downwind 005°base 275°final 185°45° entry19260108

RWY 19LEFT traffic

Heading
185° mag · 182° true
Dimensions
3,503 × 75 ft
TPA
1,600 ft MSL (≈1,000 AGL) · standard
Surface
Asphalt
Lights
2-light PAPI (left) (3°)
CTAF
123.0

Enter the left downwind (heading 005°) on the 45° at 1,600 ft MSL (≈1,000 AGL).

More details — RWY 19
Threshold elev
637 ft
Markings
basic
Approach obstacle
Tree, 68 ft, 1,363 ft from threshold, 265 ft L of centerline — 17:1 slope to clear · penetrates the 20:1 visual approach surface
Threshold crossing height
21 ft
TDZ elevation
641 ft

Condition: Good. Edge lights: Med. Surface: Porous friction course. Weight bearing: Single wheel 19k.

Pattern side: 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 KLDM → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KLDM kneeboard →

Comms & NavAids

Communication frequencies

Before taxi

“Ludington”
ASOS/AWOS
119.925

Taxi & takeoff

“Ludington”
CTAF
123.0
UNICOM
123.0

Also

Flight service
120.85 LOW 122.3
By procedure & sector (1 frequencies)
FrequencyUsed by
322.35WHITE CLOUD RCAG (LOW)

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

Prefer one flat list? All KLDM frequencies →

Charts & procedures

Airport
Approaches
Minimums

Lowest minimums here: RNAV (GPS) with vertical guidance · VFR sectional →

Airport info

From the field

Do you run KLDM, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.

Airport information

ICAO / IATA
KLDM / LDM
Coordinates
43.9625, -86.4079
Elevation
647 ft MSL
Magnetic variation
3W
Sectional chart
CHICAGO
Airport use
Public
Control tower
No
Weather station
AWOS-3P · 119.925 · ☎ 231-843-0459
ARTCC
MINNEAPOLIS (ZMP)
Flight service (FSS)
LANSING · 122.3 · 1-800-WX-BRIEF
FSS outlet
RCO → Lansing Radio (24)
NOTAM facility
LDM
Attendance
APR 16-OCT 15 ALL 0900-1700; OCT 16-APR 15 MON-FRI 0900-1700; OCT 16-APR 15 SAT-SUN UNATNDD
Beacon
white-green (SS-SR)
Segmented circle
Yes
Wind indicator
yes
Activated
1940/04
Distance from city
2 NE

Night operations

Airport lighting
SEE RMK
Rotating beacon
white-green · SS-SR
Pilot-controlled lighting
ACTVT REIL RWY 26; PAPI RWY 08, 26, 01, & 19; MIRL RWY 08/26 & 01/19 - CTAF. on 123.0Chart Supplement ↗

Runway lighting aids — 01: 2-light PAPI (left) · 19: 2-light PAPI (left) · 08: 2-light PAPI (left) · 26: 4-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)
Airframe service
NONE
Powerplant service
NONE
Parking
tiedowns, hangars
Ownership & management 2 contacts
Owner
COUNTY OF MASON
COURTHOUSE, 304 E LUDINGTON AVE, LUDINGTON, MI
231-843-8202
Manager
JOHN L O'CONNOR
5300 W US HIGHWAY 10, LUDINGTON, MI
231-843-2049
Remarks FAA · 3 notes

General

  • DEER, LRG BIRDS, & WILDLIFE ON & INVOF ARPT.
  • FOR CD IF UNA TO CTC ON FSS FREQ, CTC MINNEAPOLIS ARTCC AT 651-463-5588.

Lighting

  • ACTVT REIL RWY 26; PAPI RWY 08, 26, 01, & 19; MIRL RWY 08/26 & 01/19 - CTAF.
Embed KLDM weather on your site free widget for schools, clubs & FBOs

Live METAR, flight category, and favored runway for KLDM — paste this into your website's HTML. It updates automatically and stays free.

<iframe src="https://skyready.app/embed/airport?icao=KLDM" title="KLDM live weather — SkyReady" width="100%" height="300" style="border:1px solid #dce5f2;border-radius:12px;max-width:420px" loading="lazy"></iframe>
<p style="font:14px system-ui;margin:6px 0 0"><a href="https://skyready.app/airport/kldm">KLDM live weather &amp; runways by SkyReady</a></p>

More widgets — crosswind, E6B, density altitude — on the embed page.

Nearby airports

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Also nearby: MI71 Silver Lake Airport (private) (19 NM) · C04 Oceana County Airport (20 NM) · 7D3 Baldwin Municipal Airport (25 NM) · 95MI Evad Enterprises LLC Airport (private) (30 NM) · 4Y9 Eagles Landing Airport (34 NM)

About KLDM

Mason County Airport (LDM · KLDM) is an airport in Ludington, MI, at 647 ft MSL. It has 2 runways, the longest 5,003 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KLDM, refreshed from the Aviation Weather Center and FAA NASR.

Does KLDM have a control tower?

No. Mason 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 KLDM?

Mason County Airport has 2 runways; the longest is 5,003 ft. See the Runways section for headings, surface, and lighting.

Where is KLDM?

Mason County Airport is in Ludington, MI, at an elevation of 647 ft MSL. Coordinates: 43.9625, -86.4079.

Fly out of KLDM often?

Save KLDM 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.

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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 KLDM 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.