Airport reference
Alpnach Air Base
Alpnach Air Base is a recorded medium airport serving Alpnach in CH. Its identifiers, coordinates and facility type come from the OurAirports public-domain dataset. This profile includes 1 published runway record and 4 frequency records, along with nearby airports, recent recorded earthquakes and a historical OpenFlights route network where available. OurAirports is community maintained, and the frequency, runway and location details shown here are reference data only. They are not authoritative aeronautical information and must not be used for navigation, flight planning or operational decisions.
Key facts
- Public airport identifier
- oa-lsma
- OurAirports identifier
- 4493
- ICAO/GPS code
- LSMA
- City
- Alpnach
- Country
- CH
- Country name
- Switzerland
- Continent
- EU
- Airport type
- medium_airport
- Region
- CH-OW
- Region name
- Obwalden
- Latitude
- 46.943901
- Longitude
- 8.28417
- Elevation (ft)
- 1460.0
- Operational notice
- Reference data only; not authoritative aeronautical information and not for navigation or flight planning
Airport infrastructure
Published runways
Dimensions and status come from the current OurAirports snapshot.
| Ends | Length (ft) | Width (ft) | Surface | Status |
|---|---|---|---|---|
| 01 / 19 | 4914.0 | 131.0 | ASP | Published open |
Published reference frequencies
Frequency records
Community-maintained reference data only. Do not use for navigation, communication or flight planning.
| Type | Description | MHz |
|---|---|---|
| ARR | ARR/DEP | 133.787 |
| ARR | ARR/DEP | 139.45 |
| INFO | INFO | 138.05 |
| TWR | TWR | 119.625 |
Field-level provenance
Sources for this profile
Dates and licenses apply to the specific facts and series supplied by each source.
OurAirports
- Applicable date
- 2026-07-28
- Dataset version
- 39a7e69af220
- License
- Public domain
- Attribution
- OurAirports contributors
OurAirports
- Applicable date
- 2026-07-29
- Dataset version
- a629cac3f864
- License
- Public domain
- Attribution
- OurAirports contributors
OurAirports
- Applicable date
- 2026-07-29
- Dataset version
- 6bc5f7dd9091
- License
- Public domain
- Attribution
- OurAirports contributors
OurAirports
- Applicable date
- 2026-07-30
- Dataset version
- 2a9dbee69112
- License
- Public domain
- Attribution
- OurAirports contributors
OurAirports
- Applicable date
- 2026-07-30
- Dataset version
- 4989f0c59028
- License
- Public domain
- Attribution
- OurAirports contributors
OurAirports
- Applicable date
- 2026-07-30
- Dataset version
- 57fb332b75be
- License
- Public domain
- Attribution
- OurAirports contributors
DataOfWorld deterministic airport profile template
- Applicable date
- 2026-07-28
- Dataset version
- airport-profile-v1
- License
- Original DataOfWorld text
- Attribution
- DataOfWorld
Reference data can change. Verify consequential decisions against the original source.