Leeuwarden Air Base
E585188
Leeuwarden Air Base is a major Royal Netherlands Air Force military airfield in the north of the Netherlands, used for fighter operations, training, and NATO missions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Leeuwarden Air Base canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6322533 — 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: Leeuwarden Air Base Context triple: [Leeuwarden, hasAirport, Leeuwarden Air Base]
-
A.
Valkenburg air base
Valkenburg air base is a former Royal Netherlands Navy airfield in South Holland that historically served as a key maritime patrol and military aviation facility.
-
B.
Melsbroek Air Base
Melsbroek Air Base is a major Belgian military airfield near Brussels that serves as the primary hub for the Belgian Air Component’s transport operations.
-
C.
Kleine-Brogel Air Base
Kleine-Brogel Air Base is a major Belgian military airfield known for hosting fighter aircraft operations and reportedly storing U.S. nuclear weapons under NATO arrangements.
-
D.
Groningen Airport Eelde
Groningen Airport Eelde is a regional airport in the north of the Netherlands that offers passenger flights, including holiday and charter services.
-
E.
Nörvenich Air Base
Nörvenich Air Base is a major German Air Force installation in North Rhine-Westphalia that serves as a key operational base for fighter and tactical aircraft units.
- 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: Leeuwarden Air Base Target entity description: Leeuwarden Air Base is a major Royal Netherlands Air Force military airfield in the north of the Netherlands, used for fighter operations, training, and NATO missions.
-
A.
Valkenburg air base
Valkenburg air base is a former Royal Netherlands Navy airfield in South Holland that historically served as a key maritime patrol and military aviation facility.
-
B.
Melsbroek Air Base
Melsbroek Air Base is a major Belgian military airfield near Brussels that serves as the primary hub for the Belgian Air Component’s transport operations.
-
C.
Kleine-Brogel Air Base
Kleine-Brogel Air Base is a major Belgian military airfield known for hosting fighter aircraft operations and reportedly storing U.S. nuclear weapons under NATO arrangements.
-
D.
Groningen Airport Eelde
Groningen Airport Eelde is a regional airport in the north of the Netherlands that offers passenger flights, including holiday and charter services.
-
E.
Nörvenich Air Base
Nörvenich Air Base is a major German Air Force installation in North Rhine-Westphalia that serves as a key operational base for fighter and tactical aircraft units.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Royal Netherlands Air Force base
ⓘ
military air base ⓘ |
| allianceRole | NATO Integrated Air and Missile Defence System NERFINISHED ⓘ |
| basedAircraftType |
F-16 Fighting Falcon
NERFINISHED
ⓘ
F-35A Lightning II NERFINISHED ⓘ PC-7 ⓘ |
| country | Netherlands ⓘ |
| elevation | approximately 3 meters above sea level ⓘ |
| garrison |
306 Squadron RNLAF
NERFINISHED
ⓘ
322 Squadron RNLAF NERFINISHED ⓘ Leeuw Squadron NERFINISHED ⓘ |
| hasApproachType |
instrument landing system
ⓘ
precision approach radar ⓘ |
| hasFacility |
control tower
ⓘ
fire and rescue services ⓘ hardened aircraft shelters ⓘ maintenance hangars ⓘ runway arresting systems ⓘ |
| hasRole | Quick Reaction Alert base ⓘ |
| historicalUse |
Cold War fighter base
ⓘ
World War II airfield ⓘ |
| hostsEvent |
Frisian Flag exercise
NERFINISHED
ⓘ
NATO air exercises ⓘ |
| IATACode | LWR NERFINISHED ⓘ |
| ICAOCode | EHLW NERFINISHED ⓘ |
| location |
Friesland
NERFINISHED
ⓘ
Leeuwarden NERFINISHED ⓘ northern Netherlands NERFINISHED ⓘ |
| near | city of Leeuwarden NERFINISHED ⓘ |
| operator | Royal Netherlands Air Force NERFINISHED ⓘ |
| ownedBy | Ministry of Defence of the Netherlands NERFINISHED ⓘ |
| partOf | Royal Netherlands Air Force fighter community NERFINISHED ⓘ |
| primaryMission |
air defense of the Netherlands
ⓘ
support of NATO air operations ⓘ |
| runway | Runway 05/23 ⓘ |
| runwaySurface | asphalt ⓘ |
| secondaryMission |
support to civil authorities
ⓘ
training of fighter pilots ⓘ |
| supportsOperationType |
air-to-air missions
ⓘ
air-to-ground missions ⓘ reconnaissance missions ⓘ |
| timezone | Central European Time ⓘ |
| usedFor |
NATO missions
ⓘ
air defense ⓘ air policing ⓘ exercise operations ⓘ fighter operations ⓘ 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: Leeuwarden Air Base Description of subject: Leeuwarden Air Base is a major Royal Netherlands Air Force military airfield in the north of the Netherlands, used for fighter operations, training, and NATO missions.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.