Boeing Model 414
E504473
The Boeing Model 414 is the internal company designation for the CH-47 Chinook series of twin‑engine, tandem-rotor heavy-lift military helicopters.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Boeing Model 414 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5236595 — 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: Boeing Model 414 Context triple: [CH-47 Chinook family, alliedDesignation, Boeing Model 414]
-
A.
Boeing Model 40
The Boeing Model 40 was an early American biplane mailplane and passenger aircraft developed in the 1920s for U.S. airmail service, notable as one of Boeing’s first successful commercial designs.
-
B.
Convair 440
The Convair 440 is a twin-engine, short- to medium-range commercial airliner developed in the 1950s as an improved, pressurized variant of Convair’s successful series of piston-powered passenger aircraft.
-
C.
Boeing Model 299
The Boeing Model 299 was the prototype four‑engine heavy bomber that led to the development of the famed B-17 Flying Fortress used extensively by the United States during World War II.
-
D.
Beechcraft C-45 Expeditor
The Beechcraft C-45 Expeditor is a twin-engine military transport and trainer aircraft, derived from the Beechcraft Model 18, that was widely used by the United States and allied air forces from World War II through the postwar era.
-
E.
Convair 240
The Convair 240 is a twin‑engine, pressurized short- to medium-haul airliner introduced in the late 1940s and widely used by airlines and military operators around the world.
- 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: Boeing Model 414 Target entity description: The Boeing Model 414 is the internal company designation for the CH-47 Chinook series of twin‑engine, tandem-rotor heavy-lift military helicopters.
-
A.
Boeing Model 40
The Boeing Model 40 was an early American biplane mailplane and passenger aircraft developed in the 1920s for U.S. airmail service, notable as one of Boeing’s first successful commercial designs.
-
B.
Convair 440
The Convair 440 is a twin-engine, short- to medium-range commercial airliner developed in the 1950s as an improved, pressurized variant of Convair’s successful series of piston-powered passenger aircraft.
-
C.
Boeing Model 299
The Boeing Model 299 was the prototype four‑engine heavy bomber that led to the development of the famed B-17 Flying Fortress used extensively by the United States during World War II.
-
D.
Beechcraft C-45 Expeditor
The Beechcraft C-45 Expeditor is a twin-engine military transport and trainer aircraft, derived from the Beechcraft Model 18, that was widely used by the United States and allied air forces from World War II through the postwar era.
-
E.
Convair 240
The Convair 240 is a twin‑engine, pressurized short- to medium-haul airliner introduced in the late 1940s and widely used by airlines and military operators around the world.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
aircraft designation
ⓘ
helicopter series ⓘ internal company designation ⓘ |
| aircraftFamily | Boeing CH-47 Chinook family NERFINISHED ⓘ |
| aircraftType | twin-engine helicopter ⓘ |
| belongsToManufacturerSeries | Boeing Model 400 series designations ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designedFor |
artillery emplacement
ⓘ
battlefield resupply ⓘ cargo transport ⓘ search and rescue ⓘ special operations support ⓘ troop transport ⓘ |
| hasInternalDesignationFor | Boeing CH-47 Chinook NERFINISHED ⓘ |
| manufacturer | Boeing ⓘ |
| notableFeature |
internal Boeing designation not commonly used by operators
ⓘ
tandem main rotors for heavy-lift capability ⓘ |
| powerplantConfiguration | twin turboshaft engines ⓘ |
| primaryRole | heavy-lift helicopter ⓘ |
| primaryUse | military ⓘ |
| relatedTo |
Boeing CH-47A Chinook
NERFINISHED
ⓘ
Boeing CH-47B Chinook NERFINISHED ⓘ Boeing CH-47C Chinook NERFINISHED ⓘ Boeing CH-47D Chinook NERFINISHED ⓘ Boeing CH-47F Chinook NERFINISHED ⓘ Boeing MH-47E Chinook NERFINISHED ⓘ Boeing MH-47G Chinook NERFINISHED ⓘ |
| rotorConfiguration | tandem-rotor ⓘ |
| usedBy | United States Army ⓘ |
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: Boeing Model 414 Description of subject: The Boeing Model 414 is the internal company designation for the CH-47 Chinook series of twin‑engine, tandem-rotor heavy-lift military helicopters.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.