Mitsubishi J8M
E80384
The Mitsubishi J8M was a Japanese World War II rocket-powered interceptor aircraft, developed as a counterpart to Germany’s Messerschmitt Me 163 Komet.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Mitsubishi J8M canonical | 5 |
| J8M1 Shusui | 2 |
| MXY8 Akigusa | 1 |
| Mitsubishi J8M Shusui | 1 |
| Mitsubishi J8M Shusui program | 1 |
| Mitsubishi J8M1 Shusui | 1 |
| Mitsubishi J8M2 Shusui-Kai | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T627715 — 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: Mitsubishi J8M Context triple: [Messerschmitt Me 163, inspired, Mitsubishi J8M]
-
A.
Mitsubishi Ki-67
The Mitsubishi Ki-67 was a twin-engine Japanese World War II medium bomber known for its relatively high speed, maneuverability, and use in a variety of roles including level bombing, torpedo attacks, and kamikaze missions.
-
B.
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.
-
C.
Kawasaki Ki-45
The Kawasaki Ki-45 was a twin-engine heavy fighter aircraft used by Japan during World War II, notable for its long-range interception and ground-attack roles.
-
D.
Kawasaki Ki-61
The Kawasaki Ki-61 was a World War II Japanese fighter aircraft notable for its inline liquid-cooled engine and performance that drew comparisons to contemporary European fighters.
-
E.
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.
- 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: Mitsubishi J8M Target entity description: The Mitsubishi J8M was a Japanese World War II rocket-powered interceptor aircraft, developed as a counterpart to Germany’s Messerschmitt Me 163 Komet.
-
A.
Mitsubishi Ki-67
The Mitsubishi Ki-67 was a twin-engine Japanese World War II medium bomber known for its relatively high speed, maneuverability, and use in a variety of roles including level bombing, torpedo attacks, and kamikaze missions.
-
B.
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.
-
C.
Kawasaki Ki-45
The Kawasaki Ki-45 was a twin-engine heavy fighter aircraft used by Japan during World War II, notable for its long-range interception and ground-attack roles.
-
D.
Kawasaki Ki-61
The Kawasaki Ki-61 was a World War II Japanese fighter aircraft notable for its inline liquid-cooled engine and performance that drew comparisons to contemporary European fighters.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
experimental aircraft
ⓘ
rocket-powered interceptor aircraft ⓘ |
| airframeMaterial | primarily wood and metal mixed construction ⓘ |
| armyDesignation | Ki-200 ⓘ |
| basedOn |
Messerschmitt Me 163
ⓘ
surface form:
Messerschmitt Me 163B
|
| category |
World War II Japanese fighter aircraft
ⓘ
interceptor aircraft ⓘ rocket-powered aircraft ⓘ |
| conflict | World War II ⓘ |
| countryOfOrigin | Japan ⓘ |
| crew | 1 ⓘ |
| derivativeVariant | Ki-200 ⓘ |
| designedAsCounterpartTo |
Messerschmitt Me 163
ⓘ
surface form:
Messerschmitt Me 163 Komet
|
| designedBy | Mitsubishi design team under Imperial Japanese Navy direction ⓘ |
| designFeature | tailless configuration similar to Me 163 ⓘ |
| developedFor |
Imperial Japanese Army Air Service
ⓘ
Imperial Japanese Navy ⓘ |
| developmentOutcome | did not reach operational service ⓘ |
| developmentStartYear | 1943 ⓘ |
| firstFlightDate | 1945-07-07 ⓘ |
| fuelType | hypergolic liquid propellants ⓘ |
| inspiredBy |
Messerschmitt Me 163
ⓘ
surface form:
Messerschmitt Me 163 Komet
|
| intendedArmament |
20 mm cannon
ⓘ
30 mm cannon ⓘ |
| intendedClimbPerformance | very high rate of climb to bomber altitude ⓘ |
| intendedTopSpeed | around 900 km/h class ⓘ |
| japaneseDesignation |
Mitsubishi J8M
self-linksurface differs
ⓘ
surface form:
J8M1 Shusui
|
| landingGear | retractable skid ⓘ |
| manufacturer | Mitsubishi Heavy Industries ⓘ |
| meaningOfName | Shusui means "Autumn Water" or "Sharp Sword" in Japanese ⓘ |
| museumExhibit | a surviving airframe is preserved at the Planes of Fame Air Museum, Chino, California ⓘ |
| natoReportingName | Syusen ⓘ |
| navyProjectName |
Mitsubishi J8M
self-linksurface differs
ⓘ
surface form:
J8M1 Shusui
|
| notableAccident | first powered flight ended in crash on 1945-07-07 ⓘ |
| numberBuilt | a few prototypes ⓘ |
| operatorPlanned |
Imperial Japanese Army Air Service
ⓘ
Imperial Japanese Navy Air Service ⓘ |
| powerplantModel | Toku Ro.2 (KR10) rocket engine ⓘ |
| primaryMission | high-speed point-defense interception of bombers ⓘ |
| programEndReason | Japan’s defeat in World War II and industrial disruption ⓘ |
| programType | license-development of German design ⓘ |
| propulsion | liquid-fuel rocket engine ⓘ |
| relatedProject | Yokosuka MXY8 Akigusa glider trainer ⓘ |
| role | interceptor ⓘ |
| status | prototype only ⓘ |
| trainingVersion |
Mitsubishi J8M
self-linksurface differs
ⓘ
surface form:
MXY8 Akigusa
|
| wingConfiguration | swept mid-wing monoplane ⓘ |
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: Mitsubishi J8M Description of subject: The Mitsubishi J8M was a Japanese World War II rocket-powered interceptor aircraft, developed as a counterpart to Germany’s Messerschmitt Me 163 Komet.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
J8M1 Shusui
this entity surface form:
J8M1 Shusui
this entity surface form:
MXY8 Akigusa
subject surface form:
Toku Ro.2 (KR10)
subject surface form:
Toku Ro.2 (KR10)
this entity surface form:
Mitsubishi J8M1 Shusui
subject surface form:
Toku Ro.2 (KR10)
this entity surface form:
Mitsubishi J8M2 Shusui-Kai
subject surface form:
Toku Ro.2 (KR10)
this entity surface form:
Mitsubishi J8M Shusui program
subject surface form:
Yokosuka MXY8 Akigusa
subject surface form:
Yokosuka MXY8 Akigusa
this entity surface form:
Mitsubishi J8M Shusui