McDonnell Douglas MD-80
E239854
The McDonnell Douglas MD-80 is a series of twin-engine, short- to medium-range jet airliners widely used from the 1980s onward as an extended, more efficient development of the DC-9.
All labels observed (12)
| Label | Occurrences |
|---|---|
| McDonnell Douglas MD-80 canonical | 11 |
| McDonnell Douglas MD-80 family | 5 |
| MD-83 | 2 |
| McDonnell Douglas MD-80 series | 2 |
| McDonnell Douglas MD-83 | 2 |
| MD-80 | 1 |
| MD-81 | 1 |
| MD-82 | 1 |
| MD80 | 1 |
| McDonnell Douglas MD-80 family (historical) | 1 |
| McDonnell Douglas MD-81 | 1 |
| McDonnell Douglas MD-82 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1815390 — 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: McDonnell Douglas MD-80 Context triple: [McDonnell Douglas, notableProduct, McDonnell Douglas MD-80]
-
A.
McDonnell Douglas DC-9
The McDonnell Douglas DC-9 is a twin-engine, short- to medium-range jet airliner introduced in the 1960s that became widely used by airlines around the world and served as the basis for later MD-80/90 series aircraft.
-
B.
McDonnell Douglas MD-11
The McDonnell Douglas MD-11 is a long-range, wide-body trijet airliner developed as an advanced, stretched successor to the DC-10, used extensively for both passenger and cargo operations.
-
C.
McDonnell Douglas DC-10
The McDonnell Douglas DC-10 is a wide-body, three-engine commercial airliner introduced in the early 1970s and used extensively for medium- to long-haul passenger and cargo flights worldwide.
-
D.
Lockheed L-1011 TriStar
The Lockheed L-1011 TriStar is a wide-body commercial airliner developed in the late 1960s and 1970s, known for its advanced technology, three-engine configuration, and role as a major competitor to the McDonnell Douglas DC-10.
-
E.
Boeing 757
The Boeing 757 is a mid-size, narrow-body twin-engine jet airliner widely used for short- to medium- and some long-haul routes, known for its strong performance and versatility.
- 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: McDonnell Douglas MD-80 Target entity description: The McDonnell Douglas MD-80 is a series of twin-engine, short- to medium-range jet airliners widely used from the 1980s onward as an extended, more efficient development of the DC-9.
-
A.
McDonnell Douglas DC-9
The McDonnell Douglas DC-9 is a twin-engine, short- to medium-range jet airliner introduced in the 1960s that became widely used by airlines around the world and served as the basis for later MD-80/90 series aircraft.
-
B.
McDonnell Douglas MD-11
The McDonnell Douglas MD-11 is a long-range, wide-body trijet airliner developed as an advanced, stretched successor to the DC-10, used extensively for both passenger and cargo operations.
-
C.
McDonnell Douglas DC-10
The McDonnell Douglas DC-10 is a wide-body, three-engine commercial airliner introduced in the early 1970s and used extensively for medium- to long-haul passenger and cargo flights worldwide.
-
D.
Lockheed L-1011 TriStar
The Lockheed L-1011 TriStar is a wide-body commercial airliner developed in the late 1960s and 1970s, known for its advanced technology, three-engine configuration, and role as a major competitor to the McDonnell Douglas DC-10.
-
E.
Boeing 757
The Boeing 757 is a mid-size, narrow-body twin-engine jet airliner widely used for short- to medium- and some long-haul routes, known for its strong performance and versatility.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
short- to medium-range airliner
ⓘ
twin-engine jet airliner series ⓘ |
| aircraftCategory | commercial airliner ⓘ |
| aircraftConfiguration | single-aisle ⓘ |
| aircraftFamily |
McDonnell Douglas DC-9
ⓘ
surface form:
DC-9 family
|
| aircraftRole | passenger transport ⓘ |
| cockpitCrew | 2 ⓘ |
| designFeature |
higher-bypass JT8D-200 engines
ⓘ
stretched fuselage compared to DC-9 ⓘ updated avionics ⓘ |
| designGoal |
extended range compared to DC-9
ⓘ
increased efficiency over DC-9 ⓘ |
| developedFrom | McDonnell Douglas DC-9 ⓘ |
| engineModel |
Pratt & Whitney JT8D
ⓘ
surface form:
Pratt & Whitney JT8D-200 series
|
| engineMounting | rear-fuselage-mounted ⓘ |
| engineType | turbofan ⓘ |
| enteredService | 1980 ⓘ |
| firstFlight | 1979-10-18 ⓘ |
| firstProductionYear | 1979 ⓘ |
| fuselageConfiguration | narrow-body ⓘ |
| IATADesignator | M80 ⓘ |
| ICAOTypeDesignator |
McDonnell Douglas MD-80
self-linksurface differs
ⓘ
surface form:
MD80
|
| introducedDecade | 1980s ⓘ |
| landingGear | tricycle retractable landing gear ⓘ |
| laterManufacturer | Boeing ⓘ |
| launchCustomer | Swissair ⓘ |
| manufacturer | McDonnell Douglas ⓘ |
| notableOperator |
Alitalia
ⓘ
American Airlines ⓘ Delta Air Lines ⓘ Iberia ⓘ SAS ⓘ |
| numberBuilt | over 1,190 ⓘ |
| numberOfEngines | 2 ⓘ |
| passengerCapacity | about 130 to 172 passengers ⓘ |
| primaryUsePeriod |
1980s
ⓘ
1990s ⓘ 2000s ⓘ |
| productionEnded | 1999 ⓘ |
| range | approximately 2,050 to 2,900 nautical miles ⓘ |
| successor |
Boeing 717-200
ⓘ
surface form:
Boeing 717
McDonnell Douglas MD-90 ⓘ |
| tailConfiguration | T-tail ⓘ |
| typicalCruiseSpeed |
Mach 0.76
ⓘ
about 811 km/h ⓘ |
| variant |
McDonnell Douglas MD-80
self-linksurface differs
ⓘ
surface form:
MD-81
McDonnell Douglas MD-80 self-linksurface differs ⓘ
surface form:
MD-82
McDonnell Douglas MD-80 self-linksurface differs ⓘ
surface form:
MD-83
McDonnell Douglas MD-87 ⓘ
surface form:
MD-87
MD-88 ⓘ |
| wingConfiguration | low-wing ⓘ |
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: McDonnell Douglas MD-80 Description of subject: The McDonnell Douglas MD-80 is a series of twin-engine, short- to medium-range jet airliners widely used from the 1980s onward as an extended, more efficient development of the DC-9.
Referenced by (29)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
McDonnell Douglas MD-83
this entity surface form:
MD-83
this entity surface form:
McDonnell Douglas MD-80 series
this entity surface form:
McDonnell Douglas MD-80 series
this entity surface form:
McDonnell Douglas MD-80 family
this entity surface form:
McDonnell Douglas MD-80 family (historical)
this entity surface form:
McDonnell Douglas MD-80 family
this entity surface form:
McDonnell Douglas MD-81
this entity surface form:
McDonnell Douglas MD-82
this entity surface form:
McDonnell Douglas MD-83
this entity surface form:
McDonnell Douglas MD-80 family
this entity surface form:
MD80
this entity surface form:
MD-81
this entity surface form:
MD-82
this entity surface form:
MD-83
this entity surface form:
McDonnell Douglas MD-80 family
this entity surface form:
McDonnell Douglas MD-80 family
this entity surface form:
MD-80