📍 Sterling/Rockfalls⬆ 648 ft2 runways
KSQI · SQI
Whiteside County Airport-Joseph H Bittorf Field
41.74280°N
-89.67630°W
ARR / DAY
0
▼
100.0%
DEP / DAY
0
▼
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.
Safety incidents
Last 7 days · 0 total
Current weather
Latest METAR observation
Temp
81°F
Wind
3 kts
0°
Visib
8047 m
Ceil
—
Runway intelligence
Which runway carries the operations, observed over the last 30 days
25
46% of ops
96 land · 7 TO
07
28% of ops
58 land · 29 TO
18
18% of ops
38 land · 7 TO
36
8% of ops
16 land · 17 TO
Runway 25 carries 46% of operations (96 landings, 7 takeoffs) over the last 30 days. The next most-used is 07 at 28%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
25
96 landings
UA 0%
07
58 landings
UA 0%
18
38 landings
UA 0%
36
16 landings
UA 0%
Approaches to 25 show a 0% unstable-approach rate (0 UA events from 96 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
3.6
flights/day · 107 total
Busy hour (local)
2pm
also 1pm · 3pm
Day vs night
68%
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
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All flight data subject to ODbL attribution
·
Updated 18:13 UTC