1
Runway
0
Frequencies
0
Procedures
0
NOTAMs
Quick Facts
FAA
41IL
Elevation
737 ft MSL
Runways
1
Frequencies
0
Tower
No
Fuel
N/A
Coordinates
42.467, -88.133
Airport Information
Facility Type
SEAPLANE BASE
Elevation
737 ft MSL
Control Tower
No
Fuel Types
None listed
ARTCC
CHICAGO
Coordinates
42.4665, -88.1328
Ownership
Private
Current Weather
METAR KENW 131453Z 32010G18KT 10SM SCT043 12/02 A2999 RMK AO2 SLP154 T01220017 51018
Flight Category
VFR
Wind
320° at 10 kt G18
Visibility
10+ SM
Temperature
12.2°C
Dewpoint
1.7°C
Altimeter
1015.70 inHg
Cloud Cover
SCT
Nearest weather from KENW (15 NM away)
Observed 2026-05-13 14:53Z
Nearby Weather Cameras
No camera at 41IL. Showing nearest cameras.
Lake in the Hills
SouthWest · Camera 2 · 4 cameras total
19 NM away
4 camera angles available
See all cameras, directions, and nearby airport cameras
Sign up free to view all cameras →Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 03W/21W | 3,451 ft | 400 ft | WATER | - |
Active NOTAMs
No active NOTAMs for 41IL.
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41IL Operational Overview
Location & Facility
GREAT LAKES (41IL) is a privately owned seaplane base restricted to private use located in ANTIOCH, Illinois, United States. The field sits at an elevation of 737 feet above mean sea level (MSL) at coordinates 42.4665°N, 88.1328°W.
Runways
GREAT LAKES has 1 runway. The longest runway (03W/21W) measures 3,451 feet by 400 feet with a water surface.
Communications & Operations
GREAT LAKES is a non-towered (pilot-controlled) field.
Weather Cameras
1 FAA Weather Camera is available near GREAT LAKES, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.
Current Conditions
The current flight category at GREAT LAKES is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations.
Frequently Asked Questions
What is 41IL?
41IL is the ICAO identifier for GREAT LAKES, a public-use airport located in ANTIOCH, Illinois, United States.
How many runways does GREAT LAKES have?
GREAT LAKES (41IL) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of 41IL?
The field elevation of GREAT LAKES is 737 feet above mean sea level (MSL).
Is fuel available at 41IL?
No fuel types are currently listed for GREAT LAKES. Contact the FBO directly for availability.
What are the current weather conditions at 41IL?
The current flight category at GREAT LAKES is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at 41IL?
There are currently no active NOTAMs for GREAT LAKES.
How do I access complete data for 41IL?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for GREAT LAKES.
Where is GREAT LAKES located?
GREAT LAKES (41IL) is located in ANTIOCH, Illinois, United States, at an elevation of 737 ft MSL.
Does 41IL have weather cameras?
41IL does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.