Grenchen Airport
E810318
Grenchen Airport is a regional Swiss airfield near the town of Grenchen that primarily serves general aviation, flight training, and business aviation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Grenchen Airport canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9628902 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Grenchen Airport Context triple: [Grenchen, hasAirport, Grenchen Airport]
-
A.
Bern-Belp Airport
Bern-Belp Airport is a small regional airport serving the city of Bern, Switzerland, primarily handling domestic and short-haul European flights.
-
B.
Saanen Airport
Saanen Airport is a small regional airfield in the Swiss Alps that primarily serves the upscale resort area of Gstaad, handling private and charter flights.
-
C.
Samedan Airport
Samedan Airport is a high-altitude regional airport in Switzerland serving the Engadin valley and the resort town of St. Moritz, known for its challenging alpine approach.
-
D.
Zurich Airport
Zurich Airport is Switzerland’s largest and busiest international airport, serving as a major European aviation hub near the city of Zurich.
-
E.
Geneva Airport
Geneva Airport is a major international airport in western Switzerland serving the city of Geneva and the surrounding region, including access to the Alps and neighboring France.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Grenchen Airport Target entity description: Grenchen Airport is a regional Swiss airfield near the town of Grenchen that primarily serves general aviation, flight training, and business aviation.
-
A.
Bern-Belp Airport
Bern-Belp Airport is a small regional airport serving the city of Bern, Switzerland, primarily handling domestic and short-haul European flights.
-
B.
Saanen Airport
Saanen Airport is a small regional airfield in the Swiss Alps that primarily serves the upscale resort area of Gstaad, handling private and charter flights.
-
C.
Samedan Airport
Samedan Airport is a high-altitude regional airport in Switzerland serving the Engadin valley and the resort town of St. Moritz, known for its challenging alpine approach.
-
D.
Zurich Airport
Zurich Airport is Switzerland’s largest and busiest international airport, serving as a major European aviation hub near the city of Zurich.
-
E.
Geneva Airport
Geneva Airport is a major international airport in western Switzerland serving the city of Geneva and the surrounding region, including access to the Alps and neighboring France.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
airport
ⓘ
public airport ⓘ |
| category | regional airport ⓘ |
| country | Switzerland ⓘ |
| elevationAboveSeaLevel |
1411 ft
ⓘ
430 m ⓘ |
| hasApproachType |
instrument approach procedures
ⓘ
visual approach procedures ⓘ |
| hasApron |
business aviation apron
ⓘ
general aviation apron ⓘ |
| hasCommunicationFrequency |
Grenchen Information
NERFINISHED
ⓘ
Grenchen Tower NERFINISHED ⓘ |
| hasFacility |
control tower
ⓘ
flight school ⓘ hangars ⓘ maintenance facilities ⓘ |
| hasFuelType |
AVGAS
ⓘ
JET A-1 ⓘ |
| hasNavigationAid |
NDB GrenchEN
NERFINISHED
ⓘ
VOR/DME GrenchEN (ZHI) NERFINISHED ⓘ |
| hasNearbyCity |
Biel/Bienne
NERFINISHED
ⓘ
Solothurn NERFINISHED ⓘ |
| hasRunway |
Runway 06/24
ⓘ
Runway 07/25 ⓘ |
| hasWebsite | https://www.airport-grenchen.ch/ ⓘ |
| IATAcode | ZHI NERFINISHED ⓘ |
| ICAOcode | LSZG NERFINISHED ⓘ |
| locatedIn | Grenchen NERFINISHED ⓘ |
| locatedInAdministrativeTerritory | Canton of Solothurn NERFINISHED ⓘ |
| locatedInTimeZone | Central European Time ⓘ |
| nearbyGeographicalFeature |
Aare River
NERFINISHED
ⓘ
Jura Mountains NERFINISHED ⓘ |
| operator | Flughafen Grenchen AG NERFINISHED ⓘ |
| primaryUse |
business aviation
ⓘ
flight training ⓘ general aviation ⓘ |
| runwayNumber |
06/24
ⓘ
07/25 ⓘ |
| serves |
Grenchen
NERFINISHED
ⓘ
Solothurn region NERFINISHED ⓘ |
| supportsTrafficType |
IFR traffic
ⓘ
VFR traffic ⓘ |
| surface |
asphalt
ⓘ
grass ⓘ |
| usedFor |
aeroclub activities
ⓘ
business flights ⓘ general aviation ⓘ pilot training ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Grenchen Airport Description of subject: Grenchen Airport is a regional Swiss airfield near the town of Grenchen that primarily serves general aviation, flight training, and business aviation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.