N591UA
E256904
N591UA was the Boeing 757-222 aircraft operated by United Airlines that was hijacked and crashed in Pennsylvania during the September 11, 2001 terrorist attacks as Flight 93.
All labels observed (1)
| Label | Occurrences |
|---|---|
| N591UA canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2332016 — 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: N591UA Context triple: [United Airlines Flight 93, tailNumber, N591UA]
-
A.
N612UA
N612UA was the Boeing 767-200ER aircraft operated by United Airlines that was hijacked and crashed into the South Tower of the World Trade Center during the September 11, 2001 terrorist attacks.
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B.
N571X
N571X is the registration number assigned to NASA’s experimental X-57 Maxwell electric aircraft.
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C.
N57
N57 is a major Dutch roadway that runs across the Brouwersdam and other Delta Works structures, connecting coastal regions in the southwest of the Netherlands.
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D.
A59
A59 is a major road in northern England that runs between Liverpool and York, passing through key towns such as Preston and Skipton.
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E.
N644AA
N644AA was the Boeing 757-223 aircraft operated by American Airlines that was hijacked and crashed into the Pentagon during the September 11, 2001 terrorist attacks.
- 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: N591UA Target entity description: N591UA was the Boeing 757-222 aircraft operated by United Airlines that was hijacked and crashed in Pennsylvania during the September 11, 2001 terrorist attacks as Flight 93.
-
A.
N612UA
N612UA was the Boeing 767-200ER aircraft operated by United Airlines that was hijacked and crashed into the South Tower of the World Trade Center during the September 11, 2001 terrorist attacks.
-
B.
N571X
N571X is the registration number assigned to NASA’s experimental X-57 Maxwell electric aircraft.
-
C.
N57
N57 is a major Dutch roadway that runs across the Brouwersdam and other Delta Works structures, connecting coastal regions in the southwest of the Netherlands.
-
D.
A59
A59 is a major road in northern England that runs between Liverpool and York, passing through key towns such as Preston and Skipton.
-
E.
N644AA
N644AA was the Boeing 757-223 aircraft operated by American Airlines that was hijacked and crashed into the Pentagon during the September 11, 2001 terrorist attacks.
- F. None of above. chosen
Statements (42)
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: N591UA Description of subject: N591UA was the Boeing 757-222 aircraft operated by United Airlines that was hijacked and crashed in Pennsylvania during the September 11, 2001 terrorist attacks as Flight 93.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.