Whiteside County Airport (SQI)
The Whiteside County Airport is located approximately 2 miles south of Rock Falls, Illinois. It features two asphalt runways the longest of which is 7/25 with a length of 6,499' and a width of 150'. The second runway, 18/36 is 3900' long x 100' wide.
From Sterling or Rock Falls, drive south on IL-40. Continue over Interstate 88. The airport will be on your left (east side of IL-40). You can't miss us!