CT-156 Harvard II
E22709
The CT-156 Harvard II is a turboprop military trainer aircraft used by the Royal Canadian Air Force for pilot training and skill development.
All labels observed (3)
| Label | Occurrences |
|---|---|
| CT-156 Harvard II canonical | 3 |
| CT-156 | 1 |
| Harvard trainer aircraft (under licence) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T112501 — 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: CT-156 Harvard II Context triple: [Royal Canadian Air Force, usesAircraft, CT-156 Harvard II]
-
A.
Douglas X-3 Stiletto
The Douglas X-3 Stiletto was a slender, jet-powered experimental research aircraft of the early 1950s designed to investigate sustained supersonic flight and advanced aerodynamic concepts for future high-speed aircraft.
-
B.
Wright J-5C Whirlwind
The Wright J-5C Whirlwind is a nine-cylinder, air-cooled radial aircraft engine renowned for its reliability and use in pioneering long-distance flights of the late 1920s.
-
C.
Grumman X-29
The Grumman X-29 was an experimental U.S. research aircraft notable for its forward-swept wings, advanced composite materials, and fly-by-wire control system used to explore extreme aerodynamic concepts.
-
D.
Northrop X-21
The Northrop X-21 was an experimental U.S. jet aircraft of the 1960s designed to test laminar-flow control technology for improved aerodynamic efficiency.
-
E.
Rockwell-MBB X-31
The Rockwell-MBB X-31 was an experimental jet fighter demonstrator designed to test advanced thrust vectoring and high-angle-of-attack maneuverability technologies.
- 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: CT-156 Harvard II Target entity description: The CT-156 Harvard II is a turboprop military trainer aircraft used by the Royal Canadian Air Force for pilot training and skill development.
-
A.
Douglas X-3 Stiletto
The Douglas X-3 Stiletto was a slender, jet-powered experimental research aircraft of the early 1950s designed to investigate sustained supersonic flight and advanced aerodynamic concepts for future high-speed aircraft.
-
B.
Wright J-5C Whirlwind
The Wright J-5C Whirlwind is a nine-cylinder, air-cooled radial aircraft engine renowned for its reliability and use in pioneering long-distance flights of the late 1920s.
-
C.
Grumman X-29
The Grumman X-29 was an experimental U.S. research aircraft notable for its forward-swept wings, advanced composite materials, and fly-by-wire control system used to explore extreme aerodynamic concepts.
-
D.
Northrop X-21
The Northrop X-21 was an experimental U.S. jet aircraft of the 1960s designed to test laminar-flow control technology for improved aerodynamic efficiency.
-
E.
Rockwell-MBB X-31
The Rockwell-MBB X-31 was an experimental jet fighter demonstrator designed to test advanced thrust vectoring and high-angle-of-attack maneuverability technologies.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
military trainer aircraft
ⓘ
turboprop aircraft ⓘ |
| aircraftCategory | fixed-wing aircraft ⓘ |
| aircraftConfiguration | low-wing monoplane ⓘ |
| aircraftGeneration | modern ⓘ |
| aircraftRole | trainer ⓘ |
| aircraftType | two-seat trainer ⓘ |
| airForceRole | training aircraft ⓘ |
| basedOn | Beechcraft T-6 Texan II ⓘ |
| cockpitConfiguration | tandem ⓘ |
| countryOfOperator | Canada ⓘ |
| crew | 2 ⓘ |
| engineType | turboprop ⓘ |
| hasFeature |
ejection seats
ⓘ
glass cockpit ⓘ pressurized cockpit ⓘ retractable landing gear ⓘ |
| hasOrigin |
United States of America
ⓘ
surface form:
United States
|
| landingGearType | tricycle landing gear ⓘ |
| manufacturer | Beechcraft ⓘ |
| militaryDesignation |
CT-156 Harvard II
self-linksurface differs
ⓘ
surface form:
CT-156
|
| namedAfter | North American Harvard ⓘ |
| numberOfEngines | 1 ⓘ |
| operator | Royal Canadian Air Force ⓘ |
| primaryMission | basic pilot training ⓘ |
| primaryUser | Royal Canadian Air Force ⓘ |
| propulsion | single turboprop engine ⓘ |
| secondaryMission | intermediate pilot training ⓘ |
| serviceBranch | Royal Canadian Air Force ⓘ |
| serviceStatus | in service ⓘ |
| trainingPhase |
basic flight training
ⓘ
intermediate flight training ⓘ primary flight training ⓘ |
| usedBy |
15 Wing Moose Jaw
ⓘ
2 Canadian Forces Flying Training School ⓘ 3 Canadian Forces Flying Training School ⓘ |
| usedFor |
NATO pilot training
ⓘ
aerobatic training ⓘ formation flying training ⓘ instrument flight training ⓘ navigation training ⓘ pilot training ⓘ skills development ⓘ |
| usedInProgram | NATO Flying Training in Canada ⓘ |
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: CT-156 Harvard II Description of subject: The CT-156 Harvard II is a turboprop military trainer aircraft used by the Royal Canadian Air Force for pilot training and skill development.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
CT-156
this entity surface form:
Harvard trainer aircraft (under licence)