Airport information
- ICAO / IATA
- KLDM / LDM
- Coordinates
- 43.9625, -86.4079
- Elevation
- 646 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 · 1-800-WX-BRIEF
- 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
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-22
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:27 AM | 09:27Z |
| Sunrise | 06:03 AM | 10:03Z |
| Sunset | 09:32 PM | 01:32Z |
| Evening civil twilight Loggable night begins | 10:08 PM | 02:08Z |
Plan a flight from KLDM
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 123.0 — Chart 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 in the live weather panel above.
Traffic pattern
- Landing
- Rwy 01 · 005°
- Pattern
- left (turns left)
- TPA
- 1,600 ft MSL (≈1,000 AGL)
- CTAF
- 123.0
Enter the left downwind for Rwy 01 at 1,600 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 01/19
3,503 ft × 75 ft · Asphalt (Good)- Heading
- 005° mag · 2° true
- Threshold elev
- 641 ft
- Markings
- basic
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
- Threshold crossing height
- 19 ft
- TDZ elevation
- 642 ft
- Heading
- 185° mag · 182° true
- Threshold elev
- 637 ft
- Markings
- basic
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
- 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
Runway 08/26
5,003 ft × 75 ft · Asphalt (Excellent)- Heading
- 074° mag · 71° true
- Threshold elev
- 642 ft
- Markings
- nonprecision
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
- Threshold crossing height
- 25 ft
- TDZ elevation
- 643 ft
- Heading
- 254° mag · 251° true
- Threshold elev
- 646 ft
- Markings
- nonprecision
- VGSI
- 4-light PAPI (left) (3°)
- Traffic pattern
- Left
- Approach obstacle
- Tree, 59 ft, 1,375 ft from threshold, 421 ft L of centerline — 19:1 slope to clear · penetrates the 20:1 visual approach surface
- Threshold crossing height
- 25 ft
- TDZ elevation
- 647 ft
- End lights
- REIL
| Runway | Length | Your margin |
|---|---|---|
| 01/19 | 3,503 ft | |
| 08/26 | 5,003 ft |
Communication frequencies
Tower & ground · “Ludington”
| ASOS/AWOS | 119.925 |
| CTAF | 123.0 |
| UNICOM | 123.0 |
| Flight service | 120.85 (LOW) · 122.3 |
By procedure & sector (1 frequencies)
| Frequency | Used by |
|---|---|
| 322.35 | WHITE CLOUD RCAG (LOW) |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| MBL · Manistee | VOR-DME | 111.40 | r205° / 19.7 NM |
| HIC · White Cloud | VOR-DME | 117.60 | r309° / 38 NM |
Procedures at a glance
Approaches2
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL, Jet A (additive)
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns, hangars
Ownership & management
Remarks FAA
- DEER, LRG BIRDS, & WILDLIFE ON & INVOF ARPT.
- FOR CD IF UNA TO CTC ON FSS FREQ, CTC MINNEAPOLIS ARTCC AT 651-463-5588.
- ACTVT REIL RWY 26; PAPI RWY 08, 26, 01, & 19; MIRL RWY 08/26 & 01/19 - CTAF.
Nearby airports
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.
About KLDM
Mason County Airport (LDM · KLDM) is an airport in Ludington, MI, at 646 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 on the Comms & NavAids tab.
What is the longest runway at KLDM?
Mason County Airport has 2 runways; the longest is 5,003 ft. See the Runways tab for headings, surface, and lighting.
Where is KLDM?
Mason County Airport is in Ludington, MI, at an elevation of 646 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.