📍 Sterling/Rockfalls⬆ 648 ft2 runways
KSQI · SQI
Whiteside County Airport-Joseph H Bittorf Field
41.74280°N
-89.67630°W
ARR / DAY
3
▲
175.0%
DEP / DAY
2
▲
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 3 arrivals and 2 departures per day on average over the last 7 days.
Safety incidents
Last 7 days · 0 total
Current weather
Latest METAR observation
Temp
79°F
Wind
4 kts
60°
Visib
10+ km
Ceil
—
Runway intelligence
Which runway carries the operations, observed over the last 30 days
25
45% of ops
29 land · 2 TO
07
29% of ops
19 land · 12 TO
36
20% of ops
13 land · 1 TO
18
6% of ops
4 land · 8 TO
Runway 25 carries 45% of operations (29 landings, 2 takeoffs) over the last 30 days. The next most-used is 07 at 29%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
25
29 landings
UA 0%
07
19 landings
UA 0%
36
13 landings
UA 0%
18
4 landings
UA 0%
Approaches to 25 show a 0% unstable-approach rate (0 UA events from 29 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
3.4
flights/day · 103 total
Busy hour (local)
7pm
also 9pm · 1pm
Day vs night
63%
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
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 18:26 UTC