Yokosuka D4Y
E99973
The Yokosuka D4Y was a fast, carrier-based Japanese dive bomber used by the Imperial Japanese Navy during World War II.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Yokosuka D4Y canonical | 4 |
| Yokosuka D4Y1 | 2 |
| Yokosuka D4Y Suisei | 1 |
| Yokosuka D4Y Suisei dive bomber | 1 |
| Yokosuka D4Y2 | 1 |
| Yokosuka D4Y3 | 1 |
| Yokosuka D4Y4 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T776491 — 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: Yokosuka D4Y Context triple: [Aichi D3A, successor, Yokosuka D4Y]
-
A.
Aichi D3A dive bombers
The Aichi D3A was a Japanese carrier-based dive bomber used extensively by the Imperial Japanese Navy during World War II, notably in the attack on Pearl Harbor.
-
B.
Douglas SBD Dauntless
The Douglas SBD Dauntless was a U.S. Navy World War II carrier-based dive bomber best known for its decisive role in sinking Japanese carriers at the Battle of Midway.
-
C.
Nakajima B5N torpedo bombers
Nakajima B5N torpedo bombers were Japanese carrier-based attack aircraft used extensively by the Imperial Japanese Navy during World War II, including in the attack on Pearl Harbor.
-
D.
Aichi D1A
The Aichi D1A was a Japanese carrier-based biplane dive bomber used by the Imperial Japanese Navy in the 1930s.
-
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: Yokosuka D4Y Target entity description: The Yokosuka D4Y was a fast, carrier-based Japanese dive bomber used by the Imperial Japanese Navy during World War II.
-
A.
Aichi D3A dive bombers
The Aichi D3A was a Japanese carrier-based dive bomber used extensively by the Imperial Japanese Navy during World War II, notably in the attack on Pearl Harbor.
-
B.
Douglas SBD Dauntless
The Douglas SBD Dauntless was a U.S. Navy World War II carrier-based dive bomber best known for its decisive role in sinking Japanese carriers at the Battle of Midway.
-
C.
Nakajima B5N torpedo bombers
Nakajima B5N torpedo bombers were Japanese carrier-based attack aircraft used extensively by the Imperial Japanese Navy during World War II, including in the attack on Pearl Harbor.
-
D.
Aichi D1A
The Aichi D1A was a Japanese carrier-based biplane dive bomber used by the Imperial Japanese Navy in the 1930s.
-
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 (48)
| Predicate | Object |
|---|---|
| instanceOf |
World War II aircraft
ⓘ
carrier-based dive bomber ⓘ military aircraft ⓘ |
| aircraftType |
carrier-capable aircraft
ⓘ
low-wing monoplane ⓘ single-engine aircraft ⓘ |
| alliedReportingName | Judy ⓘ |
| armament |
forward-firing 7.7 mm machine guns
ⓘ
internal bomb load up to 500 kg ⓘ rear 7.92 mm or 13 mm machine gun ⓘ |
| basedOn | Heinkel He 118 design influence ⓘ |
| bombBay | internal bomb bay ⓘ |
| conflict | World War II ⓘ |
| construction | all-metal airframe ⓘ |
| countryOfOrigin | Japan ⓘ |
| crew | 2 ⓘ |
| designer |
Yokosuka Naval Air Technical Arsenal
ⓘ
linked to:
Yokosuka Naval Arsenal
|
| era | 1940s ⓘ |
| firstFlight | early 1940s ⓘ |
| introducedAs |
Yokosuka D4Y1
ⓘ
linked to:
Yokosuka D4Y
|
| landingGear | retractable tailwheel landing gear ⓘ |
| manufacturer |
Yokosuka Naval Air Technical Arsenal
ⓘ
linked to:
Yokosuka Naval Arsenal
|
| maximumSpeed | approximately 550 km/h ⓘ |
| notableFeature |
high speed for a dive bomber
ⓘ
internal bomb carriage for reduced drag ⓘ |
| notableVariant |
Yokosuka D4Y1
ⓘ
linked to:
Yokosuka D4Y
Yokosuka D4Y2 ⓘ
linked to:
Yokosuka D4Y
Yokosuka D4Y3 ⓘ
linked to:
Yokosuka D4Y
Yokosuka D4Y4 ⓘ
linked to:
Yokosuka D4Y
|
| powerplant |
Aichi Atsuta liquid-cooled V-12 engine
ⓘ
Mitsubishi Kinsei radial engine ⓘ |
| primaryUser | Imperial Japanese Navy ⓘ |
| propulsion | single propeller ⓘ |
| range | over 2000 km in some variants ⓘ |
| role |
dive bomber
ⓘ
reconnaissance aircraft ⓘ |
| serviceBranch | Imperial Japanese Navy Air Service ⓘ |
| serviceEntry | 1942 ⓘ |
| status | retired ⓘ |
| tailConfiguration | conventional tail unit ⓘ |
| usedAs | kamikaze aircraft ⓘ |
| usedBy | Imperial Japanese Navy ⓘ |
| usedFrom |
aircraft carriers
ⓘ
land bases ⓘ |
| usedInBattle |
Battle of Leyte Gulf
ⓘ
Battle of the Marianas ⓘ
linked to:
Marianas campaign
Battle of the Philippine Sea ⓘ |
| wingConfiguration | cantilever low wing ⓘ |
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: Yokosuka D4Y Description of subject: The Yokosuka D4Y was a fast, carrier-based Japanese dive bomber used by the Imperial Japanese Navy during World War II.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Aichi D3A dive bombers
linked to: Yokosuka D4Y
linked to: Yokosuka D4Y
linked to: Yokosuka D4Y
linked to: Yokosuka D4Y
linked to: Yokosuka D4Y
linked to: Yokosuka D4Y
linked to: Yokosuka D4Y
subject linked to:
D3A