Reference only — not for real-world navigation.
LSGS
Sion Airport · Sion
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
1,582 ft / 482 m
Transition Altitude
7,000 ft
Primary Channel
TWR 118.28 MHz (TWR)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
07/25 · 6,562 ft · ASPHLIGHTED07R/25L · 6,562 ft · AsphaltLIGHTED07L/25R · 1,837 ft · GrassUNLITFlight Planning
Quick Jump to Next Destination
Tip: Search your next airport to quickly compare ILS data.
Welcome to the technical flight briefing for Sion Airport (LSGS), located in Sion, Switzerland. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 3 active runways with a maximum elevation of 1,582 ft. Instrument approaches (IFR) are supported with verified ILS frequencies and identifiers for precision landings.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 7,000 ft verified for this field for altimeter reset procedures.
Full Name
Sion Airport
ICAO / IATA
LSGS / SIR
Municipality
Sion
Country
Region
CH-VS — Valais
GPS Coordinates
Transition Altitude
7,000 ft
Elevation
1,582 ft
Official Website
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 07 / 25
ILS EQUIPPEDLIGHTED
Runway Length: 6,562 ft / 2,000 m
Runway Width: 131 ft / 40 m
Surface Type: ASPH
Heading: 73° / 253°
Runway Width: 131 ft / 40 m
Surface Type: ASPH
Heading: 73° / 253°
RWY 07 (73°)
No ILS / Visual Only
RWY 25 (253°)
110.70 MHz
IDENT: ISI | CRS: 245°
Runway 07R / 25L
LIGHTED
Runway Length: 6,562 ft / 2,000 m
Runway Width: 131 ft / 40 m
Surface Type: Asphalt
Heading: 73° / 253°
Runway Width: 131 ft / 40 m
Surface Type: Asphalt
Heading: 73° / 253°
RWY 07R (73°)
No ILS / Visual Only
RWY 25L (253°)
No ILS / Visual Only
Runway 07L / 25R
UNLIT
Runway Length: 1,837 ft / 560 m
Runway Width: 98 ft / 30 m
Surface Type: Grass
Heading: 73° / 253°
Runway Width: 98 ft / 30 m
Surface Type: Grass
Heading: 73° / 253°
RWY 07L (73°)
No ILS / Visual Only
RWY 25R (253°)
No ILS / Visual Only
A/G SWISS MILITARY RADAR
134.28 MHz
APP RADAR
126.83 MHz
GND GND
121.70 MHz
INFO INFO
122.35 MHz
TWR TWR
118.28 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026