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1LL2 Spring Brook Airport
Seneca, Illinois, USA

GOING TO SENECA?


FAA INFORMATION EFFECTIVE 10 JULY 2025

Location

FAA Identifier: 1LL2
Lat/Long: 41-18-02.1200N 088-38-08.2590W
41-18.035333N 088-38.137650W
41.3005889,-88.6356275
(estimated)
Elevation: 500 ft. / 152 m (estimated)
Variation: 00W (1985)
From city: 2 miles SW of SENECA, IL
Time zone: UTC -5 (UTC -6 during Standard Time)
Zip code: 61341

Airport Operations

Airport use: Private use. Permission required prior to landing
Activation date: 07/1976
Control tower: no
ARTCC: CHICAGO CENTER
FSS: KANKAKEE FLIGHT SERVICE STATION
Attendance: UNATNDD
Wind indicator: yes
Segmented circle: no
Lights: SS-SR

Airport Communications

WX AWOS-3 at C09 (12 nm NE): 118.175 (815-941-1815)

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
JOTr222/20.5JOLIET VOR/DME112.3002E
DPAr198/37.6DUPAGE VOR/DME114.5502E
EONr271/38.1PEOTONE VORTAC113.2002E

Airport Services

Runway Information

Runway 18/36

Dimensions: 2800 x 70 ft. / 853 x 21 m
Surface: asphalt
Runway edge lights: low intensity
RUNWAY 18  RUNWAY 36
Traffic pattern: rightleft

Airport Ownership and Management from official FAA records

Ownership: Privately-owned
Owner: SPRING BROOK MARINA, INC.
3328 CLUB CT
NAPERVILLE, IL 60564
Phone (815) 252-8661
Manager: JAMES R. THORPE
3328 CLUB CT
NAPERVILLE, IL 60564
Phone (815) 252-8661

Additional Remarks

FOR CD CTC CHICAGO ARTCC AT 630-906-8921.

Instrument Procedures

There are no published instrument procedures at 1LL2.

Some nearby airports with instrument procedures:

C09 - Morris Municipal Airport/James R Washburn Field (12 nm NE)
KPNT - Pontiac Municipal Airport (23 nm S)
KVYS - Illinois Valley Regional Airport-Walter A Duncan Field (23 nm W)
KARR - Aurora Municipal Airport (29 nm N)
KLOT - Lewis University Airport (30 nm NE)
 
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Area around 1LL2 (Spring Brook Airport)
 
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Aerial photo
WARNING: Photo may not be current or correct
Aerial photo of 1LL2 (Spring Brook Airport)
Photo by Dwight Furleigh
Photo taken 17-Mar-2007

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Sectional chart

 
Airport distance calculator
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From to 1LL2

Sunrise and sunset
Times for 13-Jul-2025
 Local
(UTC-5)
 Zulu
(UTC)
Morning civil twilight05:0110:01
Sunrise05:3410:34
Sunset20:2701:27
Evening civil twilight21:0002:00

Current date and time
Zulu (UTC)  13-Jul-2025 10:01:50
Local (UTC-5)  13-Jul-2025 05:01:50
 
METAR
KC09 
13nm NE 
130955Z AUTO 00000KT 5SM BR CLR 18/18 A3001 RMK AO2 T01840184
KPNT 
23nm S 
130935Z AUTO 00000KT 7SM SCT065 20/19 A3002 RMK AO2 T01950190
KVYS 
23nm W 
130935Z AUTO 29003KT 7SM CLR 18/17 A3002 RMK AO2 T01760170
KJOT 
25nm NE 
130935Z AUTO 00000KT 7SM CLR 20/20 A3001 RMK AO2 T01960195
TAF
KDPA 
41nm NE 
130523Z 1306/1406 27006KT P6SM BKN200
KMDW 
49nm NE 
130523Z 1306/1412 28007KT P6SM BKN200= TAF KORD 130523Z 1306/1412 28007KT P6SM BKN200
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