📍 Sterling/Rockfalls⬆ 648 ft2 runways
KSQI · SQI
Whiteside County Airport-Joseph H Bittorf Field
41.74280°N
-89.67630°W
ARR / DAY
4
▲
28.6%
DEP / DAY
3
▲
100.0%
Whiteside County Airport-Joseph H Bittorf Field (KSQI/SQI) is a small general aviation airport located in Sterling/Rockfalls, IL, 47 mi south west of Rockford. It features 2 runways with the longest being 6,499 feet. SkyMeter has observed roughly 4 arrivals and 3 departures per day on average over the last 7 days.
Safety incidents
Last 7 days · 0 total
Current weather
Latest METAR observation
Temp
75°F
Wind
3 kts
140°
Visib
10+ km
Ceil
—
Runway intelligence
Which runway carries the operations, observed over the last 30 days
25
55% of ops
65 land · 2 TO
07
24% of ops
28 land · 27 TO
36
15% of ops
18 land · 1 TO
18
7% of ops
8 land · 16 TO
Runway 25 carries 55% of operations (65 landings, 2 takeoffs) over the last 30 days. The next most-used is 07 at 24%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
25
65 landings
UA 0%
07
28 landings
UA 0%
36
18 landings
UA 0%
18
8 landings
UA 0%
Approaches to 25 show a 0% unstable-approach rate (0 UA events from 65 landings).Phase B will add wind-correlation: which crosswind band produces most UA events.
Traffic behavior
When the field is busy: hourly + weekday vs weekend
Daily avg
4.3
flights/day · 129 total
Busy hour (local)
2pm
also 6pm · 7pm
Day vs night
62%
06:00–20:00 local
Communications Frequencies
2026-06-11| Type | Freq (MHz) | Hours |
|---|---|---|
| CTAF | 123.000 | — |
| APCH | 126.000 | — |
| APCH | 327.000 | — |
| UNICOM | 123.000 | — |
| AWOS | 119.175 | — |
| CD/P | 128.000 | — |
| OTHER | 128.000 | — |
Airport operations
- ARTCC:
- ZAU
- Mag var:
- 2° W
- Fuel:
- 100LL
Hourly traffic
Avg movements per hour · local time · last 30 days
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All flight data subject to ODbL attribution
·
Updated 09:37 UTC