LECU
E458673
LECU is the ICAO airport code for Cuatro Vientos Air Base, a historic military and general aviation airfield serving the Madrid area in Spain.
All labels observed (1)
| Label | Occurrences |
|---|---|
| LECU canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4633173 — 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: LECU Context triple: [Cuatro Vientos Air Base, ICAOCode, LECU]
-
A.
LEU
LEU is the National Rail station code for Leuchars (for St Andrews) railway station in Fife, Scotland.
-
B.
LE-9
The LE-9 is a next-generation liquid hydrogen–liquid oxygen rocket engine developed by Japan’s JAXA and Mitsubishi Heavy Industries for the core stage of the H3 launch vehicle, emphasizing high efficiency and cost-effective, reliable operation.
-
C.
LC4
LC4 is an iconic modernist chaise longue designed by Le Corbusier, Pierre Jeanneret, and Charlotte Perriand, renowned for its adjustable reclining form and tubular steel frame.
-
D.
LCL
LCL is a visual component framework used by the Lazarus IDE to build cross-platform graphical user interfaces in Free Pascal.
-
E.
LCL
LCL is the standard abbreviation for the Loeb Classical Library, a renowned series of books presenting classical Greek and Latin texts with facing-page English translations.
- 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: LECU Target entity description: LECU is the ICAO airport code for Cuatro Vientos Air Base, a historic military and general aviation airfield serving the Madrid area in Spain.
-
A.
LEU
LEU is the National Rail station code for Leuchars (for St Andrews) railway station in Fife, Scotland.
-
B.
LE-9
The LE-9 is a next-generation liquid hydrogen–liquid oxygen rocket engine developed by Japan’s JAXA and Mitsubishi Heavy Industries for the core stage of the H3 launch vehicle, emphasizing high efficiency and cost-effective, reliable operation.
-
C.
LC4
LC4 is an iconic modernist chaise longue designed by Le Corbusier, Pierre Jeanneret, and Charlotte Perriand, renowned for its adjustable reclining form and tubular steel frame.
-
D.
LCL
LCL is a visual component framework used by the Lazarus IDE to build cross-platform graphical user interfaces in Free Pascal.
-
E.
LCL
LCL is the standard abbreviation for the Loeb Classical Library, a renowned series of books presenting classical Greek and Latin texts with facing-page English translations.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
ICAO airport code
ⓘ
air base ⓘ airport ⓘ |
| category |
general aviation airport
ⓘ
military air base ⓘ |
| cityServed | Madrid ⓘ |
| coordinates | 40.3708°N 3.7850°W ⓘ |
| country | Spain ⓘ |
| elevation |
2260 ft
ⓘ
689 m ⓘ |
| hasApproach |
IFR
ⓘ
VFR ⓘ |
| hasCommunication |
ATIS frequency
ⓘ
tower frequency ⓘ |
| hasFacility |
control tower
ⓘ
flight schools ⓘ maintenance hangars ⓘ |
| hasIATACode | ECV ⓘ |
| ICAOCodeFor |
Cuatro Vientos Air Base
ⓘ
Cuatro Vientos Airport ⓘ |
| isOneOf | oldest airports in Spain ⓘ |
| locatedIn | central Spain ⓘ |
| location |
Madrid, Spain
ⓘ
linked to:
Madrid
|
| nativeNameLanguage | es ⓘ |
| near |
Alcorcón
ⓘ
Leganés ⓘ |
| operator |
Spanish Air and Space Force
ⓘ
linked to:
Spanish Air Force
|
| pushpinLabel | LECU ⓘ |
| pushpinMap | Spain ⓘ |
| runway | 10/28 ⓘ |
| runwayLength |
1425 m
ⓘ
4675 ft ⓘ |
| runwaySurface | asphalt ⓘ |
| serves | Madrid ⓘ |
| servesRegion | Community of Madrid ⓘ |
| servesTraffic |
general aviation
ⓘ
military aviation ⓘ |
| timezone | Europe/Madrid ⓘ |
| timezoneDST | CEST ⓘ |
| timezoneStandard | CET ⓘ |
| type |
military
ⓘ
public ⓘ |
| uses | metric runway ⓘ |
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: LECU Description of subject: LECU is the ICAO airport code for Cuatro Vientos Air Base, a historic military and general aviation airfield serving the Madrid area in Spain.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.