KALN · ALN
St Louis Regional Airport
Alton/St Louis, IllinoisElevation 544 ftMedium airport
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Runway detail & declared distances
11/29
RWY 11113°T
Landing length (LDA)8,099 ft
TORA / TODA / ASDA8,099 / 8,099 / 8,099 ft
REILYes
VGSIPAPI (P4R)
Traffic patternLeft
RWY 29293°T
Landing length (LDA)8,099 ft
TORA / TODA / ASDA8,099 / 8,099 / 8,099 ft
ILSILS/DME
Approach lightsMALSR
Traffic patternLeft
17/35
RWY 17173°T
VGSIPAPI (P4L)
Traffic patternLeft
RWY 35353°T
VGSIPAPI (P4L)
Traffic patternLeft
Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.
AIRPORT INFORMATION
Facility & services
St Louis Regional Airport is in Alton/St Louis, Illinois. Field elevation 544 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.
OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeMedium airport
ManagerDANIEL ADAMS, AAE
Manager phone618-259-2531
AttendedDaily, 0700–2200
CHARTS & AIRSPACE
ICAO / IATAKALN / ALN
SectionalST LOUIS
Center (ARTCC)KANSAS CITY
Flight service (AFSS)SAINT LOUIS
RegionIllinois
CountryUnited States
Coordinates38.8903, -90.0460
Distance from city4 NM E
SERVICES & LIGHTING
Fuel100LL · Jet A
Control towerTowered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF126.000
UNICOM122.950
FREQUENCIES
Communications
124.2
APP/DEP
A/D
128
ATIS
ATIS
128
AWOS 3
AWOS
120.2
CLNC DEL
CLD
126
CTAF
CTAF
120.2
GND
GND
122.05
RDO
RDO
126
REGIONAL TWR
TWR
122.95
UNICOM
UNIC
122.950
UNICOM
UNICOM
Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.
AIRPORT REMARKS
Operational remarks
›INDEX B FFR EQUIP AVBL WITH 30-MIN PPR.
›WILDLIFE ON AND IN VICINITY OF AIRPORT
›MIGRATORY BIRD ACTIVITY IN VICINITY OF ARPT SEPTEMBER THROUGH APRIL.
›PCR VALUE: 440/F/D/X/T
›ATTENDANT AFT HR - CALL 618-259-3230 OR 258-1005.
›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.
›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.
›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 11 & 17 APCH ENDS CLOSELY ALIGNED; VERIFY CORRECT COMPASS HDG PRIOR TO DEP.
OFFICIAL LINKS & SOURCES
FREQUENTLY ASKED
Does KALN have a METAR?
Yes. KALN is a METAR-reporting station; the current observation loads live on this page.
Does KALN have a TAF?
When KALN issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at KALN?
KALN sits at 544 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KALN?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.