Michigan Seaplane Base
41D · White Lake, MI · Non-towered · Open on the map
Nearby now
Loading…
Weather
METAR observed
TAF forecast
Loading forecast…
Sun & FAA night2026-09-22 · night begins 08:00 PM
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:53 AM | 10:53Z |
| Sunrise | 07:21 AM | 11:21Z |
| Sunset | 07:32 PM | 23:32Z |
| Evening civil twilight Loggable night begins | 08:00 PM | 00:00Z |
Plan a flight from 41D
Winds aloft NOAA forecast · 3,000 to 53,000 ft
Loading winds aloft…
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
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 14W/32W | 4,530 ft | |
| 12W/30W | 3,688 ft | |
| 18W/36W | 3,515 ft | |
| 13W/31W | 2,618 ft | |
| 09W/27W | 2,006 ft |
Prefer one flat page? Full runway details for 41D → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 41D kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
SVM 114.30 · FNT 116.90 · DXO 113.40 · +2
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| SVM · Salem | VORTAC | 114.30 · 90X | Low | r024° / 16.7 NM |
| FNT · Flint | VORTAC | 116.90 · 116X | High | r150° / 22 NM |
| DXO · Detroit | VOR/DME | 113.40 · 81X | High | r358° / 27.6 NM |
| MTC · Selfridge | TACAN | 133.70 · 64X | — | r283° / 27.8 NM |
| CRL · Carleton | VOR/DME | 115.70 · 104X | High | r003° / 37.2 NM |
Prefer one flat list? All 41D frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 41D
- Coordinates
- 42.6680, -83.4566
- Elevation
- 980 ft MSL
- Sectional chart
- DETROIT
- Airport use
- Public
- Control tower
- No
- ARTCC
- CLEVELAND (ZOB)
- Flight service (FSS)
- LANSING · 1-800-WX-BRIEF
- NOTAM facility
- LAN
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 2022/01
- Distance from city
- 5 E
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 120.5 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Ownership & management 2 contacts
Remarks FAA · 2 notes
General
- FOR CD CTC PONTIAC ATCT ON FREQ 118.25, WHEN ATCT CLSD CTC DETROIT APCH AT 734-955-1404.
- WHEN PTK ATCT IS OPEN OPS CONTINGENT UPON THE PROVISIONS OF THE LOA BEING ADHERED TO: ACFT OPRG IN/OUT OF 41D MUST OBTAIN PTK ATIS PRIOR TO CTCG PTK & COMMUNICATE WITH PTK ON FREQ 120.5 BFR ENTERING CLASS D ASP; PTK SHALL PRVD CLASS D SVCS WHILE ACFT ARE TRSNG TO/FM 41D & ARE VSB FM PTK; PTK DOES NOT PRVD ARPT TFC CTL SVCS AT 41D; PTK SHALL PRVD TFC INFO/ALERTS WORLKOAD PMTG.
Nearby airports
Loading nearby conditions…
Also nearby: 51MI Cass Lake-Cove Island (private) (5 NM) · Y47 Oakland Southwest (12 NM) · 45G Brighton (15 NM) · 9G2 Prices (16 NM)
About 41D
Michigan (41D) is a seaplane base in White Lake, MI, at 980 ft MSL. It has 5 runways, the longest 4,530 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 41D, refreshed from the Aviation Weather Center and FAA NASR.
Does 41D have a control tower?
No. Michigan is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 41D?
Michigan has 5 runways; the longest is 4,530 ft. See the Runways section for headings, surface, and lighting.
Where is 41D?
Michigan is in White Lake, MI, at an elevation of 980 ft MSL. Coordinates: 42.6680, -83.4566.
More about 41D
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 41D 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.