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ST LOUIS RGNL - Airport Diagram
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KALN
ICAO KALNIATA ALNLocal ALN
ST LOUIS RGNL
PublicPUB

4 miles E of ALTON/ST LOUIS, IL, US
LiveATC.net: Live Air Traffic - From Their Headsets to You
Status
Operational
Coordinates
38° 53' 24"N 90° 02' 46"W
Elevation
544' MSL
Pattern Alt
1544' MSL
Mag Variation
2°W
Declination
1°W
Fuel
JET A, 100LL
FSS
SAINT LOUIS (STL)
Sectional
ST LOUIS
ARTCC
KANSAS CITY (ZKC)
Data Effective
2/19/26-3/19/26
KALN MVFR
2:35 AM CST  
Overcast 6,500'
Broken 5,000'
Broken 2,700'
10sm
48°F
46°F
30.09"Hg
100° 5kts
AO2 LTG DSNT W T00910078
METAR KALN 040835Z AUTO 10005KT 10SM BKN027 BKN050 OVC065 09/08 A3009 RMK AO2 LTG DSNT W T00910078

KALN FBOs

No FBOs (Fixed Base Operators) are listed for this airport.
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Weather and Advisory

ATIS 128.0
AWOS-3PT 128.0
(618) 259-7231

Common

CTAF 126.0
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.
UNICOM 122.95

Clearance

Clearance Delivery 120.2
WHEN TWR CLSD

Ground

REGIONAL GROUND 120.2
0700-2200

Tower

REGIONAL TOWER 126.0
0700-2200

Arrival

DELMA STAR 128.1
FARMR STAR 119.15

Approach

SAINT LOUIS APPROACH 124.2

Departure

SAINT LOUIS DEPARTURE 124.2

Terminal Area Forecast

KSTL (17nm)
Tue, 3/3 11:20 PM CST
Wed, 3/4 12:00 AM CST - Thu, 3/5 6:00 AM CST
IFR
12:00 AM CST - 6:00 AM CST
Mist
Overcast 800'
6sm
040° 6kts
IFR
Temporary 3:00 AM CST - 5:00 AM CST
Thunderstorm and Rain
Overcast 600'
2sm
Calm
LIFR
6:00 AM CST - 12:00 PM CST
Mist
Overcast 400'
1sm
VRB° 3kts
IFR
12:00 PM CST - 3:00 PM CST
Light Showers and Rain and Mist
Overcast 800'
4sm
VRB° 4kts
VFR
3:00 PM CST - 8:00 PM CST
Mist
Overcast 3,500'
6sm
VRB° 4kts
MVFR
8:00 PM CST - 12:00 AM CST
Light Showers and Rain and Mist
Overcast 1,100'
3sm
VRB° 4kts
IFR
12:00 AM CST - 6:00 AM CST
Light Showers and Rain
Overcast 500'
3sm
VRB° 4kts
TAF KSTL 040520Z 0406/0512 04006KT 6SM BR OVC008
   TEMPO 0409/0411 2SM TSRA OVC006CB
   FM041200 VRB03KT 1SM BR OVC004
   FM041800 VRB04KT 4SM -SHRA BR OVC008
   FM042100 VRB04KT 6SM BR OVC035
   FM050200 VRB04KT 3SM -SHRA BR OVC011
   FM050600 VRB04KT 3SM -SHRA OVC005
KALN
EffectiveExpiresCategoryNOTAM
Domestic
3/6/26
0600Z
3/6/26
1200Z
!ALN 03/002 ALN COM CLR DELIVERY 120.2 NOT AVBL 2603060600-2603061200
3/5/26
0600Z
3/5/26
1200Z
!ALN 03/001 ALN COM CLR DELIVERY 120.2 U/S 2603050600-2603051200
3/4/26
0600Z
3/4/26
1200Z
!ALN 02/016 ALN COM CLR DELIVERY 120.2 U/S 2603040600-2603041200
2/28/26
1426Z
3/6/26
2359Z
!ALN 02/019 ALN OBST STACK (ASN UNKNOWN) 385029.94N0900344.07W (3.3NM S ALN) 688FT (242FT AGL) U/S 2602281426-2603062359
2/6/26
1954Z
4/6/26
2359Z
!ALN 02/003 ALN OBST TOWER LGT (ASR 1279026) 390250.20N0900411.50W (9.5NM N ALN) 878.6FT (257.9FT AGL) U/S 2602061954-2604062359
FDC
3/4/26
1400Z
3/10/26
1930Z
!FDC 6/2801 ALN SID ST LOUIS RGNL, ALTON/ST LOUIS, IL.
GATEWAY ONE DEPARTURE...
DEPARTURE PROCEDURE DME REQUIRED EXCEPT FOR ACFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS,
ENL VORTAC OUT OF SERVICE. 2603041400-2603101930EST
3/4/26
1230Z
3/10/26
2355Z
!FDC 6/3051 ALN SID ST LOUIS RGNL, ALTON/ST LOUIS, IL.
GATEWAY ONE DEPARTURE...
BRICKYARD TRANSITION NA EXCEPT FOR AIRCRAFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS,
VHP VORTAC OUT OF SERVICE. 2603041230-2603102355EST
2/27/26
1507Z
3/27/26
1507Z
!FDC 6/1192 ALN SID ST LOUIS RGNL, ALTON/ST LOUIS, IL.
LINDBERGH NINE DEPARTURE...
DEPARTURE PROCEDURE WALNUT RIDGE TRANSITION NA EXCEPT FOR ACFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS.
ARG VOR OUT OF SERVICE. 2602271507-2603271507EST
12/2/25
1547Z
!FDC 5/3206 ALN SID ST LOUIS RGNL, ALTON/ST LOUIS, IL.
LINDBERGH NINE DEPARTURE ...
LITTLE ROCK TRANSITION NA EXCEPT FOR ACFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS. LIT R-018 UNRELIABLE AT WEZRR. 2512021547-2711271547EST
9/23/25
1426Z
5/5/26
1426Z
!FDC 5/9030 ALN SID ST LOUIS RGNL, ALTON/ST LOUIS, IL.
PLESS FIVE DEPARTURE...
NASHVILLE TRANSITION NA EXCEPT FOR AIRCRAFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS,
BNA VOR OUT OF SERVICE. 2509231426-2605051426EST
Yes
0700-2200
ATTENDANT AFT HR - CALL 618-259-3230 OR 258-1005.
ST. LOUIS REGIONAL
8 TERMINAL DR SUITE 1
EAST ALTON, IL 62024
Phone: 618-259-2531
DANIEL ADAMS, AAE
8 TERMINAL DR, SUITE 1
EAST ALTON, IL 62024
Phone: 618-259-2531
SAINT LOUIS FSS (STL)
Toll Free: 1-800-WX-BRIEF
ALN
--
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.
N/A
Yes - Lighted
No
No
Hanger, Tie-Down
NOT a Landing Rights Airport
NOT an Airport of Entry
Major
Major
High Pressure
High Pressure
Charter Service
Pilot Instruction
Aircraft Rental

Runway 11/29

8099 ft. x 150 ft.
ASPH  
Good 
GRVD 
HIGH 
 
106,000lbs 
144,000lbs 
198,000lbs 
575,000lbs 
  Runway 11 Runway 29
True Heading 113°293°
Traffic Pattern Left Left
Markings PIR PIR
Markings Condition GOOD GOOD
Latitude 38° 53' 43"N 38° 53' 11"N
Longitude 90° 03' 18"W 90° 01' 44"W
Elevation 538' 526'
Threshold Crossing Height 44 ft. AGL --
Visual Glide Path Angle --
Visual Slope Indicator P4R --
Approach Lights MALSR
Centerline Lights No No
Runway End Identifier Lights Yes No

Runway 17/35

6500 ft. x 100 ft.
ASPH  
Good 
NONE 
MED 
 
47,000lbs 
63,000lbs 
109,000lbs 
-- 
  Runway 17 Runway 35
True Heading 173°353°
Traffic Pattern Left Left
Markings NPI NPI
Markings Condition FAIR FAIR
Latitude 38° 53' 52"N 38° 52' 48"N
Longitude 90° 03' 09"W 90° 02' 59"W
Elevation 533' 542'
Threshold Crossing Height 43 ft. AGL 43 ft. AGL
Visual Glide Path Angle
Visual Slope Indicator P4L P4L
Approach Lights
Centerline Lights No No
Runway End Identifier Lights
A110-3RWY 11 & 17 APCH ENDS CLOSELY ALIGNED; VERIFY CORRECT COMPASS HDG PRIOR TO DEP.
A110-4INDEX B FFR EQUIP AVBL WITH 30-MIN PPR.
A110-5MIGRATORY BIRD ACTIVITY IN VICINITY OF ARPT SEPTEMBER THROUGH APRIL.
A110-6WILDLIFE ON AND IN VICINITY OF AIRPORT
A17-M1ATTENDANT AFT HR - CALL 618-259-3230 OR 258-1005.
A30-11/29RWY 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.
A30-17/35RWY 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.
A39-11/29PCR VALUE: 440/F/D/X/T
A39-17/35PCR VALUE: 180/F/D/X/T
A81-APTACTVT 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.
ST LOUIS RGNL (ICAO: KALN, IATA: ALN) is a public airport located in ALTON/ST LOUIS, IL, US.