American Airlines Flight 77
E43264
aviation accident
commercial passenger flight
domestic flight
hijacked aircraft
terrorist attack target
American Airlines Flight 77 was the hijacked domestic passenger flight that was crashed into the Pentagon during the September 11, 2001 terrorist attacks.
All labels observed (2)
| Label | Occurrences |
|---|---|
| American Airlines Flight 77 canonical | 5 |
| American Airlines 77 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T324840 — 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: American Airlines Flight 77 Context triple: [September 11 attacks, aircraftUsed, American Airlines Flight 77]
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A.
American Airlines Flight 11
American Airlines Flight 11 was the hijacked Boeing 767 that was deliberately crashed into the North Tower of the World Trade Center during the September 11, 2001 terrorist attacks.
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B.
United Airlines Flight 175
United Airlines Flight 175 was the hijacked passenger airliner that was flown into the South Tower of the World Trade Center during the September 11, 2001 terrorist attacks.
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C.
September 11 attacks
The September 11 attacks were a series of coordinated terrorist hijackings and suicide attacks carried out by al-Qaeda against targets in the United States in 2001, resulting in massive loss of life and global political and security repercussions.
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D.
Delta One
Delta One is Delta Air Lines’ flagship international business-class cabin, featuring lie-flat seats, premium dining, and enhanced amenities for long-haul travelers.
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E.
Delta Connection
Delta Connection is the regional airline brand for Delta Air Lines, under which flights are operated by a network of contracted regional carriers.
- 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: American Airlines Flight 77 Target entity description: American Airlines Flight 77 was the hijacked domestic passenger flight that was crashed into the Pentagon during the September 11, 2001 terrorist attacks.
-
A.
American Airlines Flight 11
American Airlines Flight 11 was the hijacked Boeing 767 that was deliberately crashed into the North Tower of the World Trade Center during the September 11, 2001 terrorist attacks.
-
B.
United Airlines Flight 175
United Airlines Flight 175 was the hijacked passenger airliner that was flown into the South Tower of the World Trade Center during the September 11, 2001 terrorist attacks.
-
C.
September 11 attacks
The September 11 attacks were a series of coordinated terrorist hijackings and suicide attacks carried out by al-Qaeda against targets in the United States in 2001, resulting in massive loss of life and global political and security repercussions.
-
D.
Delta One
Delta One is Delta Air Lines’ flagship international business-class cabin, featuring lie-flat seats, premium dining, and enhanced amenities for long-haul travelers.
-
E.
Delta Connection
Delta Connection is the regional airline brand for Delta Air Lines, under which flights are operated by a network of contracted regional carriers.
- F. None of above. chosen
Statements (51)
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: American Airlines Flight 77 Description of subject: American Airlines Flight 77 was the hijacked domestic passenger flight that was crashed into the Pentagon during the September 11, 2001 terrorist attacks.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
American Airlines 77