RJAH
E472463
RJAH is the ICAO airport code for Hyakuri Air Base, a Japanese military airfield in Ibaraki Prefecture.
All labels observed (1)
| Label | Occurrences |
|---|---|
| RJAH canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4816224 — 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: RJAH Context triple: [Hyakuri Air Base, ICAOcode, RJAH]
-
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.
RJA
RJA is the ICAO airline designator used for Royal Jordanian, the flag carrier airline of Jordan.
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C.
JAH
JAH is the stock ticker symbol for Jarden Corporation, a former U.S.-based consumer products company known for a wide range of household and outdoor brands.
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D.
RAJ
RAJ is the IATA airport code for Rajkot Airport, which serves the city of Rajkot in the Indian state of Gujarat.
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E.
RAH
RAH is the abbreviation for the Real Academia de la Historia, Spain’s national institution dedicated to the research, preservation, and promotion of the country’s historical heritage.
- 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: RJAH Target entity description: RJAH is the ICAO airport code for Hyakuri Air Base, a Japanese military airfield in Ibaraki Prefecture.
-
A.
RJ
RJ is the two-letter IATA airline designator assigned to Royal Jordanian, the flag carrier airline of Jordan.
-
B.
RJA
RJA is the ICAO airline designator used for Royal Jordanian, the flag carrier airline of Jordan.
-
C.
JAH
JAH is the stock ticker symbol for Jarden Corporation, a former U.S.-based consumer products company known for a wide range of household and outdoor brands.
-
D.
RAJ
RAJ is the IATA airport code for Rajkot Airport, which serves the city of Rajkot in the Indian state of Gujarat.
-
E.
RAH
RAH is the abbreviation for the Real Academia de la Historia, Spain’s national institution dedicated to the research, preservation, and promotion of the country’s historical heritage.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
ICAO airport code
ⓘ
airport ⓘ military air base ⓘ |
| alsoUsedFor | civilAviation ⓘ |
| country | Japan ⓘ |
| hasAircraftType |
Kawasaki T-4
NERFINISHED
ⓘ
McDonnell Douglas F-4 Phantom II (historical) NERFINISHED ⓘ Mitsubishi F-2 NERFINISHED ⓘ U-125A NERFINISHED ⓘ UH-60J NERFINISHED ⓘ |
| hasCivilBrandName | Ibaraki Airport NERFINISHED ⓘ |
| hasCivilTerminal | Ibaraki Airport terminal NERFINISHED ⓘ |
| hasFunction |
air policing
ⓘ
operational sorties ⓘ training ⓘ |
| hasICAOCode | RJAH NERFINISHED ⓘ |
| hasMilitaryRole |
air defense base
ⓘ
fighter base ⓘ |
| hasName | Hyakuri Air Base NERFINISHED ⓘ |
| hasRescueRole | air rescue operations ⓘ |
| hasRunway |
03L/21R
ⓘ
03R/21L ⓘ |
| hostsUnit |
JASDF 301st Tactical Fighter Squadron
NERFINISHED
ⓘ
JASDF 302nd Tactical Fighter Squadron NERFINISHED ⓘ JASDF 7th Air Wing NERFINISHED ⓘ JASDF Air Rescue Wing Hyakuri Detachment NERFINISHED ⓘ |
| IATACode | IBR ⓘ |
| isPartOf | Japan Air Self-Defense Force Central Air Defense Force NERFINISHED ⓘ |
| locatedInCity | Omitama NERFINISHED ⓘ |
| locatedInPrefecture | Ibaraki Prefecture NERFINISHED ⓘ |
| nearCity |
Mito
NERFINISHED
ⓘ
Tsukuba NERFINISHED ⓘ |
| openedAsAirfield | 1937 ⓘ |
| operator | Japan Air Self-Defense Force NERFINISHED ⓘ |
| primaryUse | military ⓘ |
| runway03L/21R_lengthCategory | suitable for jet fighters and medium airliners ⓘ |
| runway03L/21R_orientation | roughly north-northeast/south-southwest ⓘ |
| runway03L/21R_surface | asphalt ⓘ |
| runway03R/21L_lengthCategory | suitable for jet fighters and medium airliners ⓘ |
| runway03R/21L_orientation | roughly north-northeast/south-southwest ⓘ |
| runway03R/21L_surface | asphalt ⓘ |
| servesRegion |
Greater Tokyo area
NERFINISHED
ⓘ
Ibaraki Prefecture NERFINISHED ⓘ |
| timeZone | Japan Standard Time ⓘ |
| usedBy |
Imperial Japanese Navy (historical)
NERFINISHED
ⓘ
United States Air Force (post-WWII historical) 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: RJAH Description of subject: RJAH is the ICAO airport code for Hyakuri Air Base, a Japanese military airfield in Ibaraki Prefecture.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.