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Spring Brook Airport

1LL2 · Seneca, IL · 500 ft elevation

Airport information

FAA LID
1LL2
Coordinates
41.3006, -88.6333
Elevation
500 ft MSL

Detailed FAA facility data isn't available for this airport.

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-20

EventLocal (CDT)UTC
Morning civil twilight
Loggable night ends
04:47 AM09:47Z
Sunrise05:21 AM10:21Z
Sunset08:31 PM01:31Z
Evening civil twilight
Loggable night begins
09:05 PM02:05Z
Loggable night (§1.1)
09:05 PM → 04:47 AM
Night currency (§61.57)
09:31 PM → 04:21 AM

Plan a flight from 1LL2

Runway 18/36

2,800 ft × 70 ft · ASPH
18
Heading
n/a
36
Heading
351° true

Headings shown are true (magnetic variation unavailable).

Nearby navigation aids

NavAidTypeFreqRadial / Dist magnetic
JOT · JolietVORTAC112.30r222° / 20.5 NM
PNT · PontiacVOR-DME109.60r006° / 29.1 NM
DPA · Du PageVOR-DME108.40r198° / 37.6 NM
IKK · KankakeeVOR-DME111.60r291° / 37.9 NM
EON · PeotoneVORTAC113.20r271° / 38 NM

No published instrument procedures or Chart Supplement for 1LL2. VFR sectional link above.

No published services or facility detail for 1LL2.

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 1LL2 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.