Whiteside County Airport - Joseph H Bittorf Field

SQI · KSQI · Rock Falls, IL · 648 ft elevation · var 2W · Non-towered

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

ICAO / IATA: KSQI / SQI
Coordinates: 41.7422, -89.6736
Elevation: 648 ft MSL
Magnetic variation: 2W
Sectional chart: CHICAGO
Airport use: Public
Control tower: No
ARTCC: CHICAGO (ZAU)
Flight service (FSS): KANKAKEE
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

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-21

Event	Local (CDT)	UTC
Morning civil twilight Loggable night ends	04:50 AM	09:50Z
Sunrise	05:24 AM	10:24Z
Sunset	08:37 PM	01:37Z
Evening civil twilight Loggable night begins	09:11 PM	02:11Z

Loggable night (§1.1)

09:11 PM → 04:50 AM

Night currency (§61.57)

09:37 PM → 04:24 AM

Plan a flight from KSQI

Destination (ICAO)

TAS (kt)Burn (gph)Reserve (hr)Wind from (°)Wind (kt)

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 in the live weather panel above.

Traffic pattern

Landing runway

LEFT traffic

Landing: Rwy 07 · 072°
Pattern: left (turns left)
TPA: 1,600 ft MSL (≈1,000 AGL)
CTAF: 123.0

Enter the left downwind for Rwy 07 at 1,600 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 07/25

6,499 ft × 150 ft · Asphalt (Fair)

Edge lights: High. Weight bearing: Single wheel 50k, Double wheel 60k, Dual tandem 90k.

Heading: 072° mag · 70° true
Markings: nonprecision
VGSI: 4-light PAPI (left) (3°)
Traffic pattern: Left

Heading: 252° mag · 250° true
Markings: precision
Approach lights: MALSR
Instrument landing: ILS/DME · CAT I · LOC 111.5 (SQI) · GS 3.00°
Traffic pattern: Left

Runway 18/36

3,900 ft × 100 ft · Asphalt (Good)

Edge lights: Med. Weight bearing: Single wheel 18k.

Heading: 182° mag · 180° true
Markings: basic
Traffic pattern: Left

Heading: 002° mag · 0° true
Markings: basic
Traffic pattern: Left

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
07/25	6,499 ft
18/36	3,900 ft

Communication frequencies

Service	Frequency	Notes
A/D	126	ROCKFORD APP/DEP
AWOS	119.175	AWOS 3
CLD	128	ROCKFORD CLNC DEL
UNIC	123	CTAF/UNICOM

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
PLL · Polo	VOR-DME	111.20	r204° / 15 NM
BDF · Bradford	VORTAC	114.70	r354° / 35.2 NM
RFD · Rockford	VOR-DME	110.80	r215° / 35.9 NM
CVA · Davenport	VORTAC	113.80	r083° / 36.3 NM

Procedures at a glance

Lowest mins: ILS · vertical guidance Takeoff mins / ODP ↗ Non-std alternate mins ↗

Approaches4

Minimums & Hot Spots

Chart Supplement FAA A/FD

Open PDF ↗

Preview Chart Supplement

VFR sectional

Open KSQI on the VFR sectional (SkyVector) ↗

Services

Fuel available: 100LL, Jet A
Airframe service: MAJOR
Powerplant service: MAJOR
Parking: tiedowns, hangars
Other services: Avionics, Instruction, Rental

Ownership & management

Owner

WHITESIDE COUNTY

WHITESIDE COUNTY COURTHOUSE, 200 EAST KNOX STREET, MORRISON, IL

(815) 213-7939

Manager

DARIN HEFFELFINGER

10950 HOOVER RD, ROCKFALLS, IL

(815) 213-7939

Remarks FAA

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.
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.
ARPT UNATNDD NEW YEARS; XMAS & THANKSGIVING.
100LL AND JET A FUEL DISPENSER IS SELF SERVE WITH CREDIT CARD.

Nearby airports

0IS3 · Cady Aerial Restricted Landing AreaPrivate (5 NM)LL38 · Stutzke AirportPrivate (8 NM)C73 · Dixon Municipal Charles R. Walgreen Field (12 NM)IS73 · Woodley Aerial Spray Airport (13 NM)9IS5 · J & Y Ultralightport (14 NM)6IL9 · Geldean AirportPrivate (14 NM)

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.

About KSQI

Whiteside County Airport - Joseph H Bittorf Field (SQI · KSQI) is an airport in Rock Falls, 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 Airport - Joseph H Bittorf Field is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.

What is the longest runway at KSQI?

Whiteside County Airport - Joseph H Bittorf Field has 2 runways; the longest is 6,499 ft. See the Runways tab for headings, surface, and lighting.

Where is KSQI?

Whiteside County Airport - Joseph H Bittorf Field is in Rock Falls, IL, at an elevation of 648 ft MSL. Coordinates: 41.7422, -89.6736.

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