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FAA 1LL2 Small airport

Spring Brook Airport

Seneca · Illinois · United States

Location

Town: Seneca
Region: Illinois
Country: United States
Elevation: 500 ft
Latitude: 41.3006
Longitude: -88.6333

Observed traffic

Departures (30 d): 1
Arrivals (30 d): 0
All observed flights: 2
Last seen: October 13, 2026

Facility

Type: Small airport
Scheduled service: No
Longest runway: 2,800 ft
Also known as: —

Runways

Runway	Length	Width	Surface	Lighted	Headings
18 / 36	2,800 ft	70 ft	ASPH	Yes	351°

Airport data from OurAirports (public domain).