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Whiteside County Airport – Joseph H. Bittorf Field (SQI/KSQI) is a public general-aviation airport located about 3 miles southeast of Rock Falls, Illinois, in the Sauk Valley. It is owned by Whiteside County and named for Joseph H. Bittorf, a local aviation figure, and primarily serves private, business, and recreational flying. The field has a paved primary runway and a turf secondary runway, with self-serve fuel and a non-towered operating environment.
💡 Local Tip
Frequent visitors know to check NOTAMs for the turf runway 18/36, which can be soft after rain, and to bring a credit card for the self-serve fuel pumps—on-field services are limited, so plan meals and overnight stays in Rock Falls or nearby Sterling.
🚖 Getting There
The airport has no commercial airline service; most travelers reach it by car via IL-2, IL-40, or Interstate 88. Rental cars are not based at the field, so arrange a taxi, rideshare, or hotel shuttle in advance from Rock Falls or Sterling. On-site parking is available, and the nearest larger commercial airports are Chicago Rockford International (RFD) and Quad City International (MLI), each roughly an hour's drive away.
❓ Frequently Asked Questions
Q: What are the airport identifiers for Whiteside County Airport?
A: The airport uses IATA code SQI, ICAO code KSQI, and FAA LID SQI.
Q: Is Whiteside County Airport towered?
A: No, it is a non-towered airport. Pilots should use CTAF 122.8 and follow standard traffic-pattern procedures.
Q: What runways and fuel services are available?
A: The airport has a 5,000-foot paved runway (7/25) and a 2,700-foot turf runway (18/36). Self-serve 100LL and Jet A are typically available.
Q: Does the airport offer scheduled airline service or rental cars?
A: No scheduled airline service is available. Rental cars are not based on-site, so arrange ground transportation in advance.
AI-generated content · Generated Oct 1, 2026 · deepseek-v4.1-flash