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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

EventLocal (CDT)UTC
Morning civil twilight
Loggable night ends
05:03 AM10:03Z
Sunrise05:35 AM10:35Z
Sunset08:29 PM01:29Z
Evening civil twilight
Loggable night begins
09:01 PM02:01Z
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)

Edge lights: High. Weight bearing: Single wheel 106k, Double wheel 144k, Dual tandem 198k, Double dual tandem 575k.

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)

Edge lights: Med. Weight bearing: Single wheel 47k, Double wheel 63k, Dual tandem 109k.

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

ServiceFrequencyNotes
A/D124.2APP/DEP
ATIS128
AWOS128AWOS 3
CLD120.2CLNC DEL
CTAF126
GND120.2
RDO122.05
TWR126REGIONAL TWR
UNIC122.95UNICOM

Nearby navigation aids

NavAidTypeFreqRadial / Dist magnetic
TOY · TroyVORTAC116.00r323° / 10.9 NM
CSX · CardinalVOR-DME116.45r061° / 16.9 NM
STL · St LouisVORTAC117.40r084° / 20.5 NM
SKE · ScottTACAN112.20r334° / 22.6 NM

Airport diagram

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Preview diagram Open the airport diagram PDF

Approaches

Chart Supplement FAA A/FD

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Preview Chart Supplement Open the Chart Supplement PDF

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.

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.