Airport information
- FAA LID
- 4IS9
- Coordinates
- 39.0859, -89.9589
- Elevation
- 667 ft MSL
- Magnetic variation
- 2E
- Sectional chart
- ST LOUIS
- Airport use
- Private
- Control tower
- Yes
- ARTCC
- KANSAS CITY (ZKC)
- Flight service (FSS)
- SAINT LOUIS
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1967/03
- Distance from city
- 3 N
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:02 AM | 10:02Z |
| Sunrise | 05:34 AM | 10:34Z |
| Sunset | 08:29 PM | 01:29Z |
| Evening civil twilight Loggable night begins | 09:01 PM | 02:01Z |
Loggable night (§1.1)
09:01 PM → 05:02 AM
Night currency (§61.57)
09:29 PM → 04:34 AM
Plan a flight from 4IS9
Runway 09/27
2,769 ft × 100 ft · Turf 09
- Heading
- n/a
- Traffic pattern
- Left
27
- Heading
- n/a
- Traffic pattern
- Left
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| TOY · Troy | VORTAC | 116.00 | r351° / 20.9 NM |
| CSX · Cardinal | VOR-DME | 116.45 | r043° / 27.4 NM |
| STL · St Louis | VORTAC | 117.40 | r060° / 27.9 NM |
| SKE · Scott | TACAN | 112.20 | r349° / 32.8 NM |
| VLA · Vandalia | VORTAC | 114.30 | r266° / 37.1 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 4IS9. VFR sectional link above.
Services
- Airframe service
- MINOR
- Powerplant service
- MINOR
Ownership & management
Owner
GERALD & LOUISE WEIDNER TRUST
217 N. MARION ST., BUNKER HILL, IL
618-585-4719
Manager
KEVIN G. WEIDNER
6073 ROUTE 159, BUNKER HILL, IL
618-585-3726
Remarks FAA
- FOR CD CTC ST LOUIS APCH AT 314-890-1018.
Nearby airports
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 4IS9 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.