RJTM
E483071
RJTM is the ICAO airport code assigned to Iruma Air Base, a Japan Air Self-Defense Force installation in Saitama Prefecture, Japan.
All labels observed (1)
| Label | Occurrences |
|---|---|
| RJTM canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4958031 — 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: RJTM Context triple: [Iruma Air Base, ICAOcode, RJTM]
-
A.
RJ
RJ is the two-letter IATA airline designator assigned to Royal Jordanian, the flag carrier airline of Jordan.
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B.
RJGG
RJGG is the ICAO airport code for Chubu Centrair International Airport, a major international gateway serving the Nagoya metropolitan area in Japan.
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C.
RJTT
RJTT is the ICAO airport code for Tokyo International Airport, commonly known as Haneda Airport, one of Japan’s primary airports serving the Tokyo metropolitan area.
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D.
RJBB
RJBB is the ICAO airport code for Kansai International Airport, a major international hub built on an artificial island in Osaka Bay, Japan.
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E.
TJT
TJT is the time zone used in Tajikistan, corresponding to Tajikistan Time (UTC+5).
- 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: RJTM Target entity description: RJTM is the ICAO airport code assigned to Iruma Air Base, a Japan Air Self-Defense Force installation in Saitama Prefecture, Japan.
-
A.
RJ
RJ is the two-letter IATA airline designator assigned to Royal Jordanian, the flag carrier airline of Jordan.
-
B.
RJGG
RJGG is the ICAO airport code for Chubu Centrair International Airport, a major international gateway serving the Nagoya metropolitan area in Japan.
-
C.
RJTT
RJTT is the ICAO airport code for Tokyo International Airport, commonly known as Haneda Airport, one of Japan’s primary airports serving the Tokyo metropolitan area.
-
D.
RJBB
RJBB is the ICAO airport code for Kansai International Airport, a major international hub built on an artificial island in Osaka Bay, Japan.
-
E.
TJT
TJT is the time zone used in Tajikistan, corresponding to Tajikistan Time (UTC+5).
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | ICAO airport code ⓘ |
| appliesToFacilityType | military air base ⓘ |
| assignedBy | International Civil Aviation Organization NERFINISHED ⓘ |
| belongsToBranch | Japan Air Self-Defense Force Air Defense Command NERFINISHED ⓘ |
| country | Japan ⓘ |
| hasAlternativeName | Iruma Air Base NERFINISHED ⓘ |
| hasElevation | approximately 91 metres above sea level ⓘ |
| hasLocationLatitude | approximately 35.8417° N ⓘ |
| hasLocationLongitude | approximately 139.4106° E ⓘ |
| hasThreeLetterPrefix | RJT ⓘ |
| icaoRegionCode | RJ ⓘ |
| identifies | Iruma Air Base NERFINISHED ⓘ |
| isInNetwork | Japanese military airfields ⓘ |
| locatedInAdministrativeTerritory | Saitama Prefecture NERFINISHED ⓘ |
| locatedOnIsland | Honshu ⓘ |
| operatedBy | Japan Air Self-Defense Force NERFINISHED ⓘ |
| primaryUse | military aviation ⓘ |
| runwayDesignation | 17/35 ⓘ |
| runwayLength | approximately 2,000 metres ⓘ |
| runwaySurfaceType | asphalt ⓘ |
| servesCity | Sayama, Saitama Prefecture NERFINISHED ⓘ |
| servesMetropolitanArea | Greater Tokyo Area NERFINISHED ⓘ |
| timeZone | Japan Standard Time ⓘ |
| usedBy | Japan Air Self-Defense Force NERFINISHED ⓘ |
| utcOffset | +09:00 ⓘ |
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: RJTM Description of subject: RJTM is the ICAO airport code assigned to Iruma Air Base, a Japan Air Self-Defense Force installation in Saitama Prefecture, Japan.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.