wxdecoder
51MI

Cass Lake-Cove Island Seaplane Base

Pontiac, MichiganElevation 990 ftSeaplane base

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RUNWAYS

Runway detail & declared distances

1 runway · longest 2,000 ft

09W/27W
Dimensions
2,000 x 100 ft
Surface
Water
RWY 09W
RWY 27W

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

AIRPORT INFORMATION

Facility & services

Cass Lake-Cove Island Seaplane Base is in Pontiac, Michigan. Field elevation 990 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSeaplane base
ManagerCONNIE HYNES
Manager phone231-844-2147
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA51MI
SectionalDETROIT
Center (ARTCC)CLEVELAND
Flight service (AFSS)LANSING
RegionMichigan
CountryUnited States
Coordinates42.6161, -83.3560
Distance from city4 NM W
SERVICES & LIGHTING
Control towerNon-towered
AIRPORT REMARKS

Operational remarks

›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.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗51MI on OurAirports
FREQUENTLY ASKED
Does 51MI have a METAR?
No on-field METAR is issued for 51MI. This page uses the nearest reporting station as a reference.
Does 51MI have a TAF?
No TAF is issued directly for 51MI. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 51MI?
51MI sits at 990 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 51MI?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.