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SQI
KSQI

🇺🇸 Whiteside County Airport - Joseph H Bittorf Field

Rock Falls, US-IL, US 648 ft America/Chicago
Updated Jun 30, 2026

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Whiteside County Airport - Joseph H Bittorf Field (IATA: SQI, ICAO: KSQI) serves Rock Falls, US.

The Whiteside County Airport - Joseph H. Bittorf Field (KSQI/SQI) is a public-use airport located 2 miles south of Sterling/Rockfalls, Illinois, United States. It is dedicated to noncommercial air travel and serves general aviation, private, corporate, and government aviation needs.

  • Runways: The airport has two asphalt runways:
  • Runway 07/25: 6,499 x 150 ft, with high-intensity edge lights and a precision instrument marking on runway 25. It has an ILS/DME approach.
  • Runway 18/36: 3,900 x 100 ft, with medium-intensity edge lights and basic markings.
  • Operations: The airport averages approximately 33,000 aircraft operations per year, with 98% being general aviation. It does not have a control tower.
  • Services: Services include aviation fuel (100LL, Jet A), aircraft storage and parking, flight instruction, aircraft charter, and maintenance provided by Sauk Valley Aviation, the fixed-base operator (FBO).
  • Historical Significance: The airport has hosted various aviation events and was visited by President Ronald Reagan.

*Sources researched: nfdc.faa.gov, hitesidecountyairport.org, airnav.com, en.wikipedia.org*

AirportRoutes · updated Jun 30, 2026

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Where is Whiteside County Airport - Joseph H Bittorf Field located?

Whiteside County Airport - Joseph H Bittorf Field is located in Rock Falls, US, at an elevation of 648 ft. Its IATA code is SQI and ICAO code is KSQI.