ℹ️
Airport Information
Full Name
St Louis Regional Airport
City
Alton/St Louis
Country
🇺🇸 A.S
Country Code
US
IATA Code
ALN
ICAO Code
KALN
Latitude
38.8903°N
Longitude
90.0460°W
Elevation
544 ft (166 m)
Type
Medium Airport
Wikipedia
Region
US-IL
🌤️
Current Weather at ALN
Live weather via Open-Meteo · Updates on page load
🛬
Runways
11/29
8,099 ft (2,469 m) · Asp
17/35
6,500 ft (1,981 m) · Asp
📻
Radio Frequencies
| Type | Description | Frequency |
|---|---|---|
| A/D | APP/DEP | 124.2 MHz |
| ATIS | ATIS | 128 MHz |
| AWOS | AWOS 3 | 128 MHz |
| CLD | CLNC DEL | 120.2 MHz |
| CTAF | CTAF | 126 MHz |
| GND | GND | 120.2 MHz |
| RDO | RDO | 122.05 MHz |
| TWR | REGIONAL TWR | 126 MHz |
| UNIC | UNICOM | 122.95 MHz |
🌱
Carbon Footprint Calculator
Estimate CO₂ emissions for a flight departing from ALN.
kg CO₂ per passenger
✈️
Live Departures
View real-time departures and arrivals for ALN.
View Live Departures on FlightAware ↗