Cass Lake-Cove Island Seaplane BasePrivate
51MI · Pontiac, MI · Non-towered · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-22 · night begins 07:59 PM
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:52 AM | 10:52Z |
| Sunrise | 07:20 AM | 11:20Z |
| Sunset | 07:31 PM | 23:31Z |
| Evening civil twilight Loggable night begins | 07:59 PM | 23:59Z |
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
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
| Runway | Length | Your margin |
|---|---|---|
| 09W/27W | 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 · 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 (5 NM) · Y47 Oakland Southwest (14 NM) · 1D2 Canton-Plymouth-Mettetal (17 NM) · 45G Brighton (19 NM)
About 51MI
Cass Lake-Cove Island (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 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 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 is in Pontiac, MI, at an elevation of 990 ft MSL. Coordinates: 42.6161, -83.3560.
More about 51MI
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.
Something here wrong or out of date? Report a data problem.