Three Lakes Municipal Airport
40D · Three Lakes, WI · 1,636 ft elevation · var 1W · Non-towered
Airport information
- FAA LID
- 40D
- Coordinates
- 45.7902, -89.1210
- Elevation
- 1,636 ft MSL
- Magnetic variation
- 1W
- Sectional chart
- GREEN BAY
- Airport use
- Public
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- GREEN BAY · 1-800-WX-BRIEF
- NOTAM facility
- GRB
- Attendance
- UNATNDD
- Beacon
- white-green (SS-SR)
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1956/01
- Distance from city
- 3 SE
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-22
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:28 AM | 09:28Z |
| Sunrise | 05:07 AM | 10:07Z |
| Sunset | 08:50 PM | 01:50Z |
| Evening civil twilight Loggable night begins | 09:29 PM | 02:29Z |
Plan a flight from 40D
Night operations
- Airport lighting
- SS-SR
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- Usually keyed on CTAF 122.7 — confirm the click sequence in the Chart Supplement ↗
Runway lighting aids — 21: 2-light PAPI (right).
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 03 · 027°
- Pattern
- left (turns left)
- TPA
- 2,436 ft MSL · 800 AGL
- CTAF
- 122.7
Enter the left downwind for Rwy 03 at 2,436 ft MSL · 800 AGL on a 45°.
Runway 03/21
3,400 ft × 120 ft · Turf (Good)- Heading
- 027° mag · 26° true
- Threshold elev
- 1,637 ft
- Traffic pattern
- Left
- Heading
- 207° mag · 206° true
- Threshold elev
- 1,637 ft
- VGSI
- 2-light PAPI (right) (3°)
- Traffic pattern
- Left
- Threshold crossing height
- 24 ft
| Runway | Length | Your margin |
|---|---|---|
| 03/21 | 3,400 ft |
Communication frequencies
Tower & ground
| CTAF | 122.7 |
| UNICOM | 122.7 |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| RHI · Rhinelander | VORTAC | 109.20 | r054° / 17 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management
Remarks FAA
- 1683 FT AGL/3327 FT MSL TWR 8.5 NM SW.
- CONFIRM RUNWAY CONDITIONS WITH AIRPORT MANAGER NOV - MAY.
- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
- WILDLIFE ON & INVOF ARPT.
- EMAIL ADDRESS: SUNNYSKIESAVIATION@GMAIL.COM (ALL LOWER CASE)
- RY 3/21 NSTD LIRL.
- MKD WITH YELLOW CONES.
- MKD WITH YELLOW CONES.
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 40D 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 40D
Three Lakes Municipal Airport (40D) is an airport in Three Lakes, WI, at 1,636 ft MSL. It has 1 runway, the longest 3,400 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 40D, refreshed from the Aviation Weather Center and FAA NASR.
Does 40D have a control tower?
No. Three Lakes Municipal Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 40D?
Three Lakes Municipal Airport has 1 runway; the longest is 3,400 ft. See the Runways tab for headings, surface, and lighting.
Where is 40D?
Three Lakes Municipal Airport is in Three Lakes, WI, at an elevation of 1,636 ft MSL. Coordinates: 45.7902, -89.1210.
Fly out of 40D often?
Save 40D 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.