Choppy Pilot Logbook
Airport · Switzerland

Sankt Gallen Altenrhein Airport
LSZR / ACH

Runways, frequencies and reference data for Sankt Gallen Altenrhein Airport, St. Gallen. Free to read; the full diagram, charts and AIP text are in the Choppy app.

Source: OurAirports community data and OpenStreetMap; not an official AIP extract. Page updated 2026-09-18.

ICAO
LSZR
IATA
ACH
Location
St. Gallen, Switzerland
Reference point
47°29'06.0"N 9°33'38.8"E
Elevation
1,306 ft
Magnetic variation
—
Hours
—
Runways
2
Sunrise · Sunset (UTC, today)
— · —
Civil twilight (UTC, today)
— · —

Airport diagram

In the Choppy app

Full diagram with 12 taxiway labels, 4 stands, 4 holding points, zoomable and offline. Runways and aprons are shown here; the rest is in the app.

Open LSZR in Choppy

Runways

RunwayLengthWidthSurfaceHeadings
10/281,455 m (4,774 ft)30 mASPH10 099° T28 279° T
10L/28R810 m (2,657 ft)20 mGRASS10L 099° T28R 279° T

Frequencies

ServiceCallsignFrequencyHours
ACCZURICH RADAR133.9 MHz—
ARRZURICH ARR119.925 MHz—
ATISATIS123.775 MHz—
FISZurich Information (en,ge)124.7 MHz—
GNDGND121.8 MHz—
TWRTWR118.65 MHz—
Choppy Pro

Everything else about LSZR is in the app

  • Official charts where the AIP publishes them
  • AIP AD 2 text for airports whose AIP publishes it
  • Zoomable airport diagram with taxiways, stands and holding points
  • Offline country packs, updated every AIRAC cycle
  • Your flights at LSZR: every landing here in your logbook, with currency computed automatically

Choppy is a pilot logbook first: the first 100 flights are free, and Pro unlocks charts, diagrams and packs for $2.99/month or $24.99/year.

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Other airports in Switzerland

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Frequently asked

How many runways does Sankt Gallen Altenrhein Airport (LSZR) have?

LSZR has 2 runways: 10/28, 10L/28R. The longest, 10/28, 1,455 m (4,774 ft).

What is the elevation of LSZR?

The aerodrome elevation of Sankt Gallen Altenrhein Airport is 1,306 ft.

What is the tower frequency at LSZR?

Sankt Gallen Altenrhein Airport tower (TWR) is on 118.65 MHz. Always confirm frequencies against the current AIP or ATIS.

Where can I get the LSZR airport diagram and charts?

The Choppy pilot logbook app shows a zoomable LSZR airport diagram with taxiways, stands and holding points. Diagrams, charts and offline packs are part of Choppy Pro.

Reference only, not for operational use. Verify every figure against the current AIP, NOTAMs and ATIS before flight.