Whiteside County/Jos H Bittorf Field
SQI · KSQI · Sterling/Rockfalls, IL · Non-towered · Print kneeboard · Open on the map
Nearby now
Loading…
Weather
METAR observed
Loading current weather…
TAF forecast
Loading forecast…
Sun & FAA night2026-09-18 · night begins 07:31 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:14 AM | 11:14Z |
| Sunrise | 06:42 AM | 11:42Z |
| Sunset | 07:03 PM | 00:03Z |
| Evening civil twilight Loggable night begins | 07:31 PM | 00:31Z |
Plan a flight from KSQI
Past 24 hours category · wind · ceiling · visibility trends
Loading station history…
Density altitude today projected curve · departure window · takeoff roll
Winds aloft NOAA forecast · 3,000 to 53,000 ft
Loading winds aloft…
Full reports: KSQI METAR decoded
Advisories
NOTAMs · Loading NOTAMs…
Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 18LEFT traffic
- Heading
- 182° mag · 180° true
- Dimensions
- 3,900 × 100 ft
- TPA
- 1,600 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- CTAF
- 123.0
Enter the left downwind (heading 002°) on the 45° at 1,600 ft MSL (≈1,000 AGL).
More details — RWY 18
- Threshold elev
- 642 ft
- Markings
- basic
- TDZ elevation
- 642 ft
- End lights
- REIL
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 07/25 | 6,499 ft | |
| 18/36 | 3,900 ft |
Prefer one flat page? Full runway details for KSQI → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KSQI kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
Taxi & takeoff
Departure & arrival
“Rockford”ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).
By procedure & sector (1 frequencies)
| Frequency | Used by |
|---|---|
| 327.0 | APCH/P DEP/P |
Source: FAA NASR (current 28-day cycle).
Instrument landing systems
RWY 25
| Runway | ILS |
|---|---|
| RWY 25 | ILS/DME · CAT I · LOC 111.5 (SQI) · GS 3.00° |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
BDF 114.70 · CVA 113.80
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| BDF · Bradford | TACAN | 114.70 · 94X | — | r354° / 35.2 NM |
| CVA · Davenport | VORTAC | 113.80 · 85X | Low | r083° / 36.3 NM |
Prefer one flat list? All KSQI frequencies →
Charts & procedures
Lowest minimums here: ILS with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KSQI, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / FAA LID
- KSQI / SQI
- Coordinates
- 41.7428, -89.6763
- Elevation
- 648 ft MSL
- Magnetic variation
- 2W
- Sectional chart
- CHICAGO
- Airport use
- Public
- Control tower
- No
- Weather station
- AWOS-3PT · 119.175 · ☎ 815-626-2704
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- KANKAKEE · 1-800-WX-BRIEF
- NOTAM facility
- SQI
- Attendance
- ALL 0800-1700
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1948/03
- Distance from city
- 2 S
Activity & hazards NASR
- Aerobatic Practice — to 8000AGL · SUNRISE TO SUNSET
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- MIRL RY 18/36 PRESET ON LOW INTST; TO INCR INTST & ACTVT HIRL RY 07/25; MALSR RY 25 & REIL RYS 07, 18 & 36 - CTAF. on 123.0 — Chart Supplement ↗
Runway lighting aids — 07: 4-light PAPI (left) · 25: MALSR.
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL, Jet A
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Avionics, Instruction, Rental
Ownership & management 2 contacts
Remarks FAA · 7 notes
General
- RY 07 PREFERRED CALM WIND RY.
- TERMINAL BLDG CAN BE ACCESSED AFTER HOURS BY CIPHER LOCK WHICH HAS APPLICABLE INSTRUCTIONS
- OXY SVC UNAVBL.
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
Lighting
- MIRL RY 18/36 PRESET ON LOW INTST; TO INCR INTST & ACTVT HIRL RY 07/25; MALSR RY 25 & REIL RYS 07, 18 & 36 - CTAF.
Fuel
- 100LL AND JET A FUEL DISPENSER IS SELF SERVE WITH CREDIT CARD.
Attendance
- ARPT UNATNDD NEW YEARS; XMAS & THANKSGIVING.
Embed KSQI weather on your site free widget for schools, clubs & FBOs
Live METAR, flight category, and favored runway for KSQI — paste this into your website's HTML. It updates automatically and stays free.
More widgets — crosswind, E6B, density altitude — on the embed page.
Nearby airports
Loading nearby conditions…
Also nearby: 0IS3 Cady Aerial (private) (5 NM) · LL38 Stutzke (private) (8 NM) · IL83 Fisch (private) (9 NM) · C73 Dixon Municipal-Charles R Walgreen Field (12 NM) · 5IL8 Woodley 2 (private) (13 NM) · IL76 Wilt (private) (14 NM)
About KSQI
Whiteside County/Jos H Bittorf Field (SQI · KSQI) is an airport in Sterling/Rockfalls, IL, at 648 ft MSL. It has 2 runways, the longest 6,499 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KSQI, refreshed from the Aviation Weather Center and FAA NASR.
Does KSQI have a control tower?
No. Whiteside County/Jos H Bittorf Field is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KSQI?
Whiteside County/Jos H Bittorf Field has 2 runways; the longest is 6,499 ft. See the Runways section for headings, surface, and lighting.
Where is KSQI?
Whiteside County/Jos H Bittorf Field is in Sterling/Rockfalls, IL, at an elevation of 648 ft MSL. Coordinates: 41.7428, -89.6763.
More about KSQI
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KSQI in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
Something here wrong or out of date? Report a data problem.