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St Louis Regional Airport
ALN · KALN · Alton/St Louis, IL · 544 ft elevation · var 1W · Towered
Airport information
- ICAO / IATA
- KALN / ALN
- Coordinates
- 38.8903, -90.0460
- Elevation
- 544 ft MSL
- Magnetic variation
- 1W
- Sectional chart
- ST LOUIS
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- KANSAS CITY (ZKC)
- Flight service (FSS)
- SAINT LOUIS
- NOTAM facility
- ALN
- Attendance
- ALL 0700-2200
- Beacon
- white-green (SS-SR)
- Segmented circle
- No
- Wind indicator
- lighted
- Activated
- 1940/04
- Distance from city
- 4 E
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 | 05:03 AM | 10:03Z |
| Sunrise | 05:35 AM | 10:35Z |
| Sunset | 08:29 PM | 01:29Z |
| Evening civil twilight Loggable night begins | 09:01 PM | 02:01Z |
Loggable night (§1.1)
09:01 PM → 05:03 AM
Night currency (§61.57)
09:29 PM → 04:35 AM
Plan a flight from KALN
Runway 11/29
8,099 ft × 150 ft · Asphalt (Good) 11
- Heading
- 114° mag · 113° true
- Markings
- precision
- VGSI
- 4-light PAPI (right) (3°)
- Traffic pattern
- Left
29
- Heading
- 294° mag · 293° true
- Markings
- precision
- Approach lights
- MALSR
- Instrument approach
- ILS/DME
- Traffic pattern
- Left
Runway 17/35
6,500 ft × 100 ft · Asphalt (Good) 17
- Heading
- 174° mag · 173° true
- Markings
- nonprecision
- VGSI
- 4-light PAPI (left) (3°)
- Traffic pattern
- Left
35
- Heading
- 354° mag · 353° true
- Markings
- nonprecision
- VGSI
- 4-light PAPI (left) (3°)
- Traffic pattern
- Left
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| A/D | 124.2 | APP/DEP |
| ATIS | 128 | |
| AWOS | 128 | AWOS 3 |
| CLD | 120.2 | CLNC DEL |
| CTAF | 126 | |
| GND | 120.2 | |
| RDO | 122.05 | |
| TWR | 126 | REGIONAL TWR |
| UNIC | 122.95 | UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| TOY · Troy | VORTAC | 116.00 | r323° / 10.9 NM |
| CSX · Cardinal | VOR-DME | 116.45 | r061° / 16.9 NM |
| STL · St Louis | VORTAC | 117.40 | r084° / 20.5 NM |
| SKE · Scott | TACAN | 112.20 | r334° / 22.6 NM |
Airport diagram
Open PDF ↗Preview diagram
Approaches
- ILS OR LOC RWY 29 ↗ · amdt 12D
- RNAV (GPS) RWY 11 ↗ · amdt 2C
- RNAV (GPS) RWY 17 ↗ · amdt 1C
- RNAV (GPS) RWY 29 ↗ · amdt 1C
- RNAV (GPS) RWY 35 ↗ · amdt 1C
- VOR-A ↗ · amdt 9B
Arrivals
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL, Jet A
- Bottled oxygen
- HIGH
- Bulk oxygen
- HIGH
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Charter, Instruction, Rental
Ownership & management
Owner
ST. LOUIS REGIONAL
8 TERMINAL DR SUITE 1, EAST ALTON, IL
618-259-2531
Manager
DANIEL ADAMS, AAE
8 TERMINAL DR, SUITE 1, EAST ALTON, IL
618-259-2531
Remarks FAA
- RWY 11 & 17 APCH ENDS CLOSELY ALIGNED; VERIFY CORRECT COMPASS HDG PRIOR TO DEP.
- INDEX B FFR EQUIP AVBL WITH 30-MIN PPR.
- MIGRATORY BIRD ACTIVITY IN VICINITY OF ARPT SEPTEMBER THROUGH APRIL.
- WILDLIFE ON AND IN VICINITY OF AIRPORT
- ACTVT MALSR RWY 29; REIL RWY 11 - CTAF. WHEN ATCT CLSD PAPI 11, 17, 35; HIRL RWY 11/29; MIRL RWY 17/35 PRESET ON LOW INTST, TO INCR INTST & ACTVT - CTAF.
- ATTENDANT AFT HR - CALL 618-259-3230 OR 258-1005.
- PCR VALUE: 440/F/D/X/T
- PCR VALUE: 180/F/D/X/T
- RWY 11/29 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS. 90 DAY PPR FOR UNSKED ACR OPS GTR THAN 30 PAX SEATS - CALL AMGR.
- RWY 17/35 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS. 90 DAY PPR FOR UNSKED ACR OPS GTR THAN 30 PAX SEATS - CALL AMGR.
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 KALN in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.