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41IL Great Lakes Seaplane Base
Antioch, Illinois, USA

FAA INFORMATION EFFECTIVE 30 OCTOBER 2025

Location

FAA Identifier: 41IL
Lat/Long: 42-27-59.5700N 088-07-58.2100W
42-27.992833N 088-07.970167W
42.4665472,-88.1328361
(estimated)
Elevation: 737 ft. / 225 m
From city: 2 miles WSW of ANTIOCH, IL
Time zone: UTC -6 (UTC -5 during Daylight Saving Time)
Zip code: 60002

Seaplane Base Operations

Seaplane Base use: Private use. Permission required prior to landing
Activation date: 04/2022
Control tower: no
ARTCC: CHICAGO CENTER
FSS: KANKAKEE FLIGHT SERVICE STATION
Attendance: 
Segmented circle: no

Seaplane Base Communications

WX ASOS at ENW (12 nm NE): PHONE 262-652-7730
WX ASOS at UGN (12 nm E): PHONE 847-782-0876
WX AWOS-3 at BUU (15 nm NW): 125.275 (262-757-0907)

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
OBKr333/16.8NORTHBROOK VOR/DME113.0002W
DPAr014/35.9DUPAGE VOR/DME114.5502E
BAEr168/39.6BADGER VOR/DME116.4002E

 
NDB name  Hdg/Dist  Freq  Var  ID
WAUKE274/14.737903WUG ..- --.

Seaplane Base Services

Runway Information

Runway 3W/21W

Dimensions: 3451 x 400 ft. / 1052 x 122 m
Surface: water, in fair condition
RUNWAY 3W  RUNWAY 21W
Latitude: 42-27.735667N42-28.250500N
Longitude: 088-08.133167W088-07.808500W
Elevation: 737.0 ft.737.0 ft.
Traffic pattern: leftleft

Seaplane Base Ownership and Management from official FAA records

Ownership: Privately-owned
Owner: TRENT TOBIAS
41072 N. WESTLAKE
ANTIOCH, IL 60002
Phone 847-812-1480
Manager: TRENT TOBIAS
41072 N. WESTLAKE
ANTIOCH, IL 60002
Phone 847-812-1480
FLOAT172@GMAIL.COM

Instrument Procedures

There are no published instrument procedures at 41IL.

Some nearby airports with instrument procedures:

C81 - Campbell Airport (9 nm S)
10C - Galt Field Airport (11 nm W)
KENW - Kenosha Regional Airport (12 nm NE)
KUGN - Waukegan National Airport (12 nm E)
C02 - Grand Geneva Resort Airport (14 nm NW)
KBUU - Burlington Municipal Airport (15 nm NW)
3CK - Lake in the Hills Airport (18 nm SW)
  
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Aerial photo
No photo
 
Airport distance calculator
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From to 41IL

Sunrise and sunset
Times for 08-Nov-2025
 Local
(UTC-6)		 Zulu
(UTC)
Morning civil twilight06:0612:06
Sunrise06:3612:36
Sunset16:3722:37
Evening civil twilight17:0723:07

Current date and time
Zulu (UTC)  08-Nov-2025 09:19:41
Local (UTC-6)  08-Nov-2025 03:19:41
 
METAR
KENW 
12nm NE 		080253Z 34005KT 10SM OVC040 08/07 A2969
KUGN 
12nm E 		080851Z AUTO 36008KT 10SM BKN020 OVC025 06/04 A2979 RMK AO2 RAE0755 SLP088 P0001 60003 T00610039 51018
KBUU 
15nm NW 		080855Z AUTO 02007KT 10SM OVC021 05/01 A2982 RMK AO2 T00500012 PWINO
K57C 
22nm NW 		080850Z AUTO 05006KT 10SM OVC024 05/00 A2981 RMK AO2 T00460002
KRAC 
23nm NE 		080853Z AUTO 02014G20KT 10SM OVC024 06/03 A2982 RMK AO2 SLP100 T00560028 51020
KPWK 
23nm SE 		080859Z 03007KT 10SM BKN011 BKN016 OVC023 07/06 A2980 RMK AO2 RAE56 P0000 T00670061
TAF
KENW 
12nm NE 		080640Z 0807/0906 01009KT P6SM BKN025 TEMPO 0807/0811 6SM -DZ FM081100 02008KT 6SM -RA OVC025 FM081800 04006KT 6SM -RA OVC015 FM082000 04007KT 6SM -RA OVC020 FM090000 03008KT 2SM -RA OVC015 FM090200 01010G15KT 1SM -RASN OVC015 FM090500 35010G20KT 3SM -SN OVC015
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