Boeing Model 40
E79404
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Boeing Model 40 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T625727 — 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 40 Context triple: [Wright J-5C Whirlwind, usedInAircraft, Boeing Model 40]
-
A.
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.
-
B.
Fairchild Eight
Fairchild Eight refers to the group of eight engineers who left Shockley Semiconductor Laboratory in 1957 to found Fairchild Semiconductor, a pivotal company in the early semiconductor and Silicon Valley industry.
-
C.
Boeing 707
The Boeing 707 is a pioneering American jet airliner introduced in the late 1950s that helped usher in the modern era of commercial jet travel.
-
D.
North American B-25B Mitchell
The North American B-25B Mitchell is a twin‑engine medium bomber used by the United States during World War II, most famously in the 1942 Doolittle Raid on Japan.
-
E.
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.
- 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 40 Target entity description: 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.
-
A.
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.
-
B.
Fairchild Eight
Fairchild Eight refers to the group of eight engineers who left Shockley Semiconductor Laboratory in 1957 to found Fairchild Semiconductor, a pivotal company in the early semiconductor and Silicon Valley industry.
-
C.
Boeing 707
The Boeing 707 is a pioneering American jet airliner introduced in the late 1950s that helped usher in the modern era of commercial jet travel.
-
D.
North American B-25B Mitchell
The North American B-25B Mitchell is a twin‑engine medium bomber used by the United States during World War II, most famously in the 1942 Doolittle Raid on Japan.
-
E.
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.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
Boeing aircraft
ⓘ
biplane ⓘ mailplane ⓘ passenger aircraft ⓘ |
| aircraftType | single‑engine biplane ⓘ |
| airframeMaterial | mixed wood and fabric construction ⓘ |
| category |
U.S. airmail aircraft
ⓘ
civil utility aircraft ⓘ early commercial aircraft ⓘ |
| configuration | open‑cockpit biplane ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designedBy |
Boeing
ⓘ
surface form:
Boeing engineering department
|
| developedFor | U.S. airmail service ⓘ |
| developedInDecade | 1920s ⓘ |
| engineConfiguration | single engine ⓘ |
| era | 1920s ⓘ |
| firstFlight | 1925 ⓘ |
| manufacturer | Boeing ⓘ |
| notableFor | one of Boeing’s first successful commercial designs ⓘ |
| operator |
Boeing Air Transport
ⓘ
Post Office Department ⓘ
surface form:
United States Post Office Department
|
| powerplantType | piston engine ⓘ |
| primaryRole | airmail transport ⓘ |
| secondaryRole | passenger transport ⓘ |
| serviceEntryPeriod | late 1920s ⓘ |
| usedFor |
carrying mail
ⓘ
carrying passengers ⓘ |
| wingConfiguration | biplane wings ⓘ |
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 40 Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.