1
Runway
0
Frequencies
0
Procedures
0
NOTAMs
Quick Facts
ICAO
1LL2
FAA
1LL2
Elevation
500 ft MSL
Runways
1
Frequencies
0
Tower
No
Fuel
N/A
Coordinates
41.301, -88.633
Airport Information
Facility Type
AIRPORT
Elevation
500 ft MSL
Control Tower
No
Fuel Types
None listed
Coordinates
41.3006, -88.6333
Current Weather
METAR KC09 131621Z AUTO 35005KT 10SM SCT049 17/05 A3000 RMK AO2
Flight Category
VFR
Wind
350° at 5 kt
Visibility
10+ SM
Temperature
17°C
Dewpoint
5°C
Altimeter
1016.00 inHg
Cloud Cover
SCT
Nearest weather from KC09 (15 NM away)
Observed 2026-05-13 16:21Z
Nearby Weather Cameras
No camera at 1LL2. Showing nearest cameras.
Illinois Valley Regional
East · Camera 2 · 4 cameras total
31 NM away
Lake in the Hills
West · Camera 3 · 4 cameras total
58 NM away
8 camera angles available
See all cameras, directions, and nearby airport cameras
Sign up free to view all cameras →Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 18/36 | 2,800 ft | 70 ft | ASPH | - |
Active NOTAMs
No active NOTAMs for 1LL2.
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PONTIAC
Illinois airports
1LL2 Operational Overview
Location & Facility
Spring Brook Airport (1LL2) is a airport located in Seneca, Illinois, United States. The field sits at an elevation of 500 feet above mean sea level (MSL) at coordinates 41.3006°N, 88.6333°W.
Runways
Spring Brook Airport has 1 runway. The longest runway (18/36) measures 2,800 feet by 70 feet with a asph surface.
Communications & Operations
Spring Brook Airport is a non-towered (pilot-controlled) field.
Weather Cameras
2 FAA Weather Cameras are available near Spring Brook Airport, 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 Spring Brook Airport 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 1LL2?
1LL2 is the ICAO identifier for Spring Brook Airport, a public-use airport located in Seneca, Illinois, United States.
How many runways does Spring Brook Airport have?
Spring Brook Airport (1LL2) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of 1LL2?
The field elevation of Spring Brook Airport is 500 feet above mean sea level (MSL).
Is fuel available at 1LL2?
No fuel types are currently listed for Spring Brook Airport. Contact the FBO directly for availability.
What are the current weather conditions at 1LL2?
The current flight category at Spring Brook Airport is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at 1LL2?
There are currently no active NOTAMs for Spring Brook Airport.
How do I access complete data for 1LL2?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for Spring Brook Airport.
Where is Spring Brook Airport located?
Spring Brook Airport (1LL2) is located in Seneca, Illinois, United States, at an elevation of 500 ft MSL.
Does 1LL2 have weather cameras?
1LL2 does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.