Reference only — not for real-world navigation.
KSQI
Whiteside County Airport - Joseph H Bittorf Field · Rock Falls
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
648 ft / 198 m
Transition Altitude
18,000 ft
Primary Channel
AWOS 119.17 MHz (AWOS 3)
Live Conversion
inHg
hPa
Flight Planning
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Welcome to the technical flight briefing for Whiteside County Airport - Joseph H Bittorf Field (KSQI), located in Rock Falls, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 648 ft. Instrument approaches (IFR) are supported with verified ILS frequencies and identifiers for precision landings.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Whiteside County Airport - Joseph H Bittorf Field
ICAO / IATA
KSQI / SQI
Municipality
Rock Falls
Country
Region
US-IL — Illinois
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
648 ft
Official Website
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 07 / 25
ILS EQUIPPEDLIGHTED
Runway Length: 6,500 ft / 1,981 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 70.1° / 250.1°
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 70.1° / 250.1°
RWY 07 (70.1°)
No ILS / Visual Only
RWY 25 (250.1°)
111.50 MHz
IDENT: SQI | CRS: 252°
Runway 18 / 36
LIGHTED
Runway Length: 3,899 ft / 1,188 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 180.1° / 0.1°
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 180.1° / 0.1°
RWY 18 (180.1°)
No ILS / Visual Only
RWY 36 (0.1°)
No ILS / Visual Only
A/D ROCKFORD APP/DEP
126.00 MHz
AWOS AWOS 3
119.17 MHz
CLD ROCKFORD CLNC DEL
128.00 MHz
UNIC CTAF/UNICOM
123.00 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026