📍 Sterling/Rockfalls⬆ 648 ft2 runways
KSQI · SQI
Whiteside County Airport-Joseph H Bittorf Field
41.74280°N
-89.67630°W
ARR / DAY
1
▼
30.8%
DEP / DAY
1
▲
60.0%
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 6,500 feet. SkyMeter has observed roughly 1 arrivals and 1 departures per day on average over the last 7 days.
Safety incidents
Last 7 days · 0 total
Current weather
Latest METAR observation
Temp
81°F
Wind
0 kts
0°
Visib
10+ km
Ceil
—
Runway intelligence
Which runway carries the operations, observed over the last 30 days
25
35% of ops
61 land · 7 TO
07
26% of ops
44 land · 23 TO
36
25% of ops
43 land · 13 TO
18
14% of ops
24 land · 11 TO
Runway 25 carries 35% of operations (61 landings, 7 takeoffs) over the last 30 days. The next most-used is 07 at 26%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
25
61 landings
UA 0%
07
44 landings
UA 0%
36
43 landings
UA 0%
18
24 landings
UA 0%
Approaches to 25 show a 0% unstable-approach rate (0 UA events from 61 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
3.9
flights/day · 116 total
Busy hour (local)
3pm
also 1pm · 2pm
Day vs night
61%
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 14:26 UTC