Cass Lake-Cove Island Seaplane Base Seaplane BasePrivate
51MI · Pontiac, MI · Non-towered
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-07 · night begins 09:18 PM
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:00 AM | 10:00Z |
| Sunrise | 06:31 AM | 10:31Z |
| Sunset | 08:46 PM | 00:46Z |
| Evening civil twilight Loggable night begins | 09:18 PM | 01:18Z |
Plan a flight from 51MI
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
Airspace hazards
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Runways
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 2,000 ft |
Prefer one flat page? Full runway details for 51MI → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 51MI kneeboard →
Comms & NavAids
Nearby navigation aids
SVM 114.30 · MTC 133.70 · DXO 113.40 · +2
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| SVM · Salem | VORTAC | 114.30 · 90X | Low | r043° / 16.3 NM |
| MTC · Selfridge | TACAN | 133.70 · 64X | — | r277° / 23.2 NM |
| DXO · Detroit | VOR/DME | 113.40 · 81X | High | r007° / 24.2 NM |
| FNT · Flint | VORTAC | 116.90 · 116X | High | r147° / 27.2 NM |
| CRL · Carleton | VOR/DME | 115.70 · 104X | High | r010° / 34.4 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 51MI — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 51MI
- Coordinates
- 42.6161, -83.3560
- Elevation
- 990 ft MSL
- Magnetic variation
- 6W
- Sectional chart
- DETROIT
- Airport use
- Private
- Control tower
- No
- ARTCC
- CLEVELAND (ZOB)
- Flight service (FSS)
- LANSING · 122.2 · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 1994/03
- Distance from city
- 4 W
Ownership & management 2 contacts
Remarks FAA · 2 notes
General
- TAKEOFFS & LANDINGS RESTRICTED IN COES BAY; USE LARGE PORTION OF CASS LAKE FOR TAKEOFFS & LANDINGS; STEP TAXI PERMITTED IN COES BAY TO RAMP ON COVE ISLAND.
- FOR CD CTC DETROIT APCH AT 734-955-1404.
Nearby airports
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Also nearby: 41D Michigan Seaplane Base (5 NM) · MI45 Ed Schulte's Place STOLport (private) (12 NM) · 3MI7 Willie Run Airport (private) (13 NM) · Y47 Oakland Southwest Airport (14 NM)
About 51MI
Cass Lake-Cove Island Seaplane Base (51MI) is a seaplane base in Pontiac, MI, at 990 ft MSL. It has 1 runway, the longest 2,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 51MI, refreshed from the Aviation Weather Center and FAA NASR.
Does 51MI have a control tower?
No. Cass Lake-Cove Island Seaplane Base is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 51MI?
Cass Lake-Cove Island Seaplane Base has 1 runway; the longest is 2,000 ft. See the Runways section for headings, surface, and lighting.
Where is 51MI?
Cass Lake-Cove Island Seaplane Base is in Pontiac, MI, at an elevation of 990 ft MSL. Coordinates: 42.6161, -83.3560.
Fly out of 51MI often?
Save 51MI 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 51MI 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.