Three Lakes Municipal Airport
40D · Three Lakes, WI · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:56 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:09 AM | 10:09Z |
| Sunrise | 05:43 AM | 10:43Z |
| Sunset | 08:22 PM | 01:22Z |
| Evening civil twilight Loggable night begins | 08:56 PM | 01:56Z |
Plan a flight from 40D
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
RWY 21LEFT traffic
- Heading
- 207° mag · 206° true
- Dimensions
- 3,400 × 120 ft
- TPA
- 2,437 ft MSL · 800 AGL · charted
- Surface
- Turf
- Lights
- 2-light PAPI (right) (3°)
- CTAF
- 122.7
Enter the left downwind (heading 027°) on the 45° at 2,437 ft MSL.
More details — RWY 21
- Threshold elev
- 1,637 ft
- Threshold crossing height
- 24 ft
Pattern side: FAA NASR · TPA charted (NASR) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 03/21 | 3,400 ft |
Prefer one flat page? Full runway details for 40D → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 40D kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
RHI 115.05
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| RHI · Rhinelander | VOR/DME | 115.05 · 97Y | Low | r054° / 17 NM |
Prefer one flat list? All 40D frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 40D
- Coordinates
- 45.7902, -89.1210
- Elevation
- 1,637 ft MSL
- Magnetic variation
- 1W
- Sectional chart
- GREEN BAY
- Airport use
- Public
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- GREEN BAY · 122.2 · 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
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 under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management 2 contacts
Remarks FAA · 8 notes
General
- 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.
Runways
- MKD WITH YELLOW CONES.
- MKD WITH YELLOW CONES.
Lighting
- RY 3/21 NSTD LIRL.
Contact
- EMAIL ADDRESS: SUNNYSKIESAVIATION@GMAIL.COM (ALL LOWER CASE)
Nearby airports
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Also nearby: Y55 Crandon Municipal Airport (18 NM) · WI42 Pine Grove Airport (private) (19 NM) · WI36 Dolhun Field (private) (21 NM) · WS78 River Valley Airport (private) (21 NM)
About 40D
Three Lakes Municipal Airport (40D) is an airport in Three Lakes, WI, at 1,637 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 in the Comms & NavAids section.
What is the longest runway at 40D?
Three Lakes Municipal Airport has 1 runway; the longest is 3,400 ft. See the Runways section for headings, surface, and lighting.
Where is 40D?
Three Lakes Municipal Airport is in Three Lakes, WI, at an elevation of 1,637 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.
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.