Generated summary graphic for Great Lakes Seaplane Base showing codes, coordinates and a runway sketch
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Great Lakes Seaplane Base

ICAO 41ILSeaplane base

Great Lakes Seaplane Base is a seaplane base near Antioch in Illinois, United States. It is listed as ICAO 41IL. The airport is located at 42.4665° / -88.1328° at an elevation of 225 m (737 ft). There is one runway, the longest measuring 1,052 m. The nearest airport is Midland Airport, 4.2 km (3 mi) away. No scheduled service is recorded for this airfield.

Symbolic aviation imagery (AI-generated) – not a photo of this specific airport.
Map detail of Great Lakes Seaplane Base with runways
Close-up with runways
World map showing the position of Great Lakes Seaplane Base
Overview map

Data

Data
ICAO code41IL
Local code41IL
IdentifierUS-6828
TypeSeaplane base
CityAntioch
RegionIllinois
CountryUnited States
Coordinates42.46655, -88.13284
Coordinates (deg/min/sec)42° 27′ 59.57″ N 88° 07′ 58.21″ W
Elevation225 m (737 ft)
Scheduled serviceno

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Runways

RunwayLengthWidthSurfaceLighted
3W/21W1,052 m122 mWATno

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