Martin Model 146
E694572
The Martin Model 146 was a 1930s American prototype four‑engine bomber aircraft developed by the Glenn L. Martin Company as a competitor in U.S. Army Air Corps bomber trials.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Martin Model 146 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7810065 — 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: Martin Model 146 Context triple: [Boeing Model 299, competedAgainst, Martin Model 146]
-
A.
Martin N-20
The Martin N-20 is a high-end nylon-string acoustic guitar by C.F. Martin & Co., best known for being played by Willie Nelson as his iconic instrument "Trigger."
-
B.
Martin MB-1
The Martin MB-1 was an early American twin-engine biplane bomber developed during World War I, notable as one of the first purpose-built bombers used by the U.S. Army Air Service.
-
C.
Hughes MD 500 series
The Hughes MD 500 series is a family of light, multi-purpose civilian and military helicopters known for their agility, reliability, and widespread use in roles such as law enforcement, utility work, and training.
-
D.
Morris Air
Morris Air was a low-cost U.S. airline based in Utah that became notable for pioneering electronic ticketing before being acquired by Southwest Airlines in the 1990s.
-
E.
M-346 trainer aircraft
The M-346 is an advanced jet trainer and light attack aircraft designed for lead-in fighter training and tactical roles, widely used by several air forces worldwide.
- 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: Martin Model 146 Target entity description: The Martin Model 146 was a 1930s American prototype four‑engine bomber aircraft developed by the Glenn L. Martin Company as a competitor in U.S. Army Air Corps bomber trials.
-
A.
Martin N-20
The Martin N-20 is a high-end nylon-string acoustic guitar by C.F. Martin & Co., best known for being played by Willie Nelson as his iconic instrument "Trigger."
-
B.
Martin MB-1
The Martin MB-1 was an early American twin-engine biplane bomber developed during World War I, notable as one of the first purpose-built bombers used by the U.S. Army Air Service.
-
C.
Hughes MD 500 series
The Hughes MD 500 series is a family of light, multi-purpose civilian and military helicopters known for their agility, reliability, and widespread use in roles such as law enforcement, utility work, and training.
-
D.
Morris Air
Morris Air was a low-cost U.S. airline based in Utah that became notable for pioneering electronic ticketing before being acquired by Southwest Airlines in the 1990s.
-
E.
M-346 trainer aircraft
The M-346 is an advanced jet trainer and light attack aircraft designed for lead-in fighter training and tactical roles, widely used by several air forces worldwide.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
four‑engine aircraft
ⓘ
prototype bomber aircraft ⓘ |
| aircraftCategory | military aircraft ⓘ |
| aircraftRole | bomber ⓘ |
| aircraftType | bomber ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| developedAs | competitor in U.S. Army Air Corps bomber competition ⓘ |
| developedBy | Glenn L. Martin Company NERFINISHED ⓘ |
| developedInDecade | 1930s ⓘ |
| engineConfiguration | four‑engine ⓘ |
| era | 1930s ⓘ |
| isBomber | true ⓘ |
| isPrototype | true ⓘ |
| manufacturer | Glenn L. Martin Company NERFINISHED ⓘ |
| militaryBranchTestedBy | U.S. Army Air Corps NERFINISHED ⓘ |
| numberOfEngines | 4 ⓘ |
| operator | United States Army Air Corps NERFINISHED ⓘ |
| status | prototype ⓘ |
| usedFor | bomber trials ⓘ |
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: Martin Model 146 Description of subject: The Martin Model 146 was a 1930s American prototype four‑engine bomber aircraft developed by the Glenn L. Martin Company as a competitor in U.S. Army Air Corps bomber trials.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.