Hitachi Ha-13a
E299518
The Hitachi Ha-13a was a Japanese air-cooled inline piston aircraft engine used in light military aircraft of the World War II era.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hitachi Ha-13a canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2270458 — 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: Hitachi Ha-13a Context triple: [Tachikawa Ki-36, engineModel, Hitachi Ha-13a]
-
A.
Mitsubishi Ha-112-II
The Mitsubishi Ha-112-II was a Japanese World War II-era air-cooled radial aircraft engine widely used in late-war fighter designs.
-
B.
Kawasaki Ha-40
The Kawasaki Ha-40 was a Japanese liquid-cooled V12 aircraft engine, a locally produced development of the German Daimler-Benz DB 601 used in World War II fighters such as the Ki-61.
-
C.
Aichi E13A
The Aichi E13A was a Japanese World War II reconnaissance seaplane widely used by the Imperial Japanese Navy for long-range maritime patrol and observation missions.
-
D.
Kawasaki Ki-100
The Kawasaki Ki-100 was a late-World War II Japanese fighter aircraft renowned for its excellent maneuverability and reliability, created by fitting a radial engine to the airframe of the earlier Ki-61.
-
E.
Nakajima Ki-84
The Nakajima Ki-84 was a late-World War II Japanese single-seat fighter aircraft renowned for its high speed, powerful armament, and effectiveness against Allied fighters and bombers.
- 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: Hitachi Ha-13a Target entity description: The Hitachi Ha-13a was a Japanese air-cooled inline piston aircraft engine used in light military aircraft of the World War II era.
-
A.
Mitsubishi Ha-112-II
The Mitsubishi Ha-112-II was a Japanese World War II-era air-cooled radial aircraft engine widely used in late-war fighter designs.
-
B.
Kawasaki Ha-40
The Kawasaki Ha-40 was a Japanese liquid-cooled V12 aircraft engine, a locally produced development of the German Daimler-Benz DB 601 used in World War II fighters such as the Ki-61.
-
C.
Aichi E13A
The Aichi E13A was a Japanese World War II reconnaissance seaplane widely used by the Imperial Japanese Navy for long-range maritime patrol and observation missions.
-
D.
Kawasaki Ki-100
The Kawasaki Ki-100 was a late-World War II Japanese fighter aircraft renowned for its excellent maneuverability and reliability, created by fitting a radial engine to the airframe of the earlier Ki-61.
-
E.
Nakajima Ki-84
The Nakajima Ki-84 was a late-World War II Japanese single-seat fighter aircraft renowned for its high speed, powerful armament, and effectiveness against Allied fighters and bombers.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
air-cooled aircraft engine
ⓘ
aircraft piston engine ⓘ inline aircraft engine ⓘ |
| application |
liaison aircraft
ⓘ
reconnaissance aircraft ⓘ trainer aircraft ⓘ |
| category | World War II Japanese aircraft engines ⓘ |
| coolingSystem | air-cooled ⓘ |
| countryOfOrigin | Japan ⓘ |
| designGoal | low-power light aircraft engine ⓘ |
| developedInDecade | 1930s ⓘ |
| engineConfiguration | inline ⓘ |
| era |
World War II era
ⓘ
linked to:
World War II
|
| fuelType | aviation gasoline ⓘ |
| ignitionSystem | spark ignition ⓘ |
| intendedRole |
primary trainer powerplant
ⓘ
utility aircraft powerplant ⓘ |
| manufacturer | Hitachi ⓘ |
| operatingPrinciple | four-stroke cycle ⓘ |
| powerplantType | reciprocating engine ⓘ |
| usedBy |
Imperial Japanese Army Air Service
ⓘ
Imperial Japanese Navy Air Service ⓘ Japanese military aviation ⓘ |
| usedDuringDecade | 1940s ⓘ |
| usedIn | light military aircraft ⓘ |
| usedInConflict | World War II ⓘ |
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: Hitachi Ha-13a Description of subject: The Hitachi Ha-13a was a Japanese air-cooled inline piston aircraft engine used in light military aircraft of the World War II era.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.