McDonnell Douglas MD-90
E242478
The McDonnell Douglas MD-90 is a twin-engine, medium-range commercial jet airliner developed in the 1990s as an updated, stretched, and more fuel-efficient derivative of the MD-80 series.
All labels observed (7)
| Label | Occurrences |
|---|---|
| McDonnell Douglas MD-90 canonical | 9 |
| MD-90 | 2 |
| MD-90-30 | 1 |
| MD-90-30ER | 1 |
| MD-90-30T | 1 |
| MD-90-50 (proposed) | 1 |
| MD90 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1815391 — 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-90 Context triple: [McDonnell Douglas, notableProduct, McDonnell Douglas MD-90]
-
A.
McDonnell Douglas MD-80
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Boeing 717-200
The Boeing 717-200 is a short- to medium-range, twin-engine narrow-body jet airliner designed primarily for high-frequency regional routes.
- 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-90 Target entity description: The McDonnell Douglas MD-90 is a twin-engine, medium-range commercial jet airliner developed in the 1990s as an updated, stretched, and more fuel-efficient derivative of the MD-80 series.
-
A.
McDonnell Douglas MD-80
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Boeing 717-200
The Boeing 717-200 is a short- to medium-range, twin-engine narrow-body jet airliner designed primarily for high-frequency regional routes.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
medium-range airliner
ⓘ
narrow-body jet airliner ⓘ twin-engine jet airliner ⓘ |
| aircraftCategory | transport-category airplane ⓘ |
| aircraftFamily |
McDonnell Douglas MD-80
ⓘ
surface form:
McDonnell Douglas MD-80 family
|
| aircraftGeneration | updated derivative of MD-80 ⓘ |
| configuration | low-wing monoplane ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 2 pilots ⓘ |
| cruiseSpeed | approximately Mach 0.76 ⓘ |
| derivedFrom | McDonnell Douglas MD-80 ⓘ |
| designedFor |
improved fuel efficiency
ⓘ
reduced noise ⓘ |
| developedBy | McDonnell Douglas ⓘ |
| engineModel |
IAE V2500
ⓘ
surface form:
International Aero Engines V2500
|
| enginePlacement | rear-fuselage mounted ⓘ |
| engineType | turbofan ⓘ |
| enteredServiceWith | Delta Air Lines ⓘ |
| firstCustomer | Delta Air Lines ⓘ |
| firstFlight | 1993-02-22 ⓘ |
| fuselageType | narrow-body ⓘ |
| hasVariant |
McDonnell Douglas MD-90
self-linksurface differs
ⓘ
surface form:
MD-90-30
McDonnell Douglas MD-90 self-linksurface differs ⓘ
surface form:
MD-90-30ER
McDonnell Douglas MD-90 self-linksurface differs ⓘ
surface form:
MD-90-30T
McDonnell Douglas MD-90 self-linksurface differs ⓘ
surface form:
MD-90-50 (proposed)
|
| height | 9.14 m ⓘ |
| IATAModel |
McDonnell Douglas MD-90
self-linksurface differs
ⓘ
surface form:
MD-90
|
| ICAOTypeDesignator |
McDonnell Douglas MD-90
self-linksurface differs
ⓘ
surface form:
MD90
|
| introduced | 1995 ⓘ |
| length | 46.51 m ⓘ |
| manufacturer | McDonnell Douglas ⓘ |
| marketSegment | short- to medium-haul routes ⓘ |
| maximumSeatingCapacity | 172 ⓘ |
| maximumTakeoffWeight | approximately 156000 lb ⓘ |
| numberBuilt | 116 ⓘ |
| numberOfEngines | 2 ⓘ |
| primaryUsers |
Delta Air Lines
ⓘ
Japan Air System ⓘ Saudia ⓘ
surface form:
Saudi Arabian Airlines
|
| productionEnd | 2000 ⓘ |
| productionStart | 1993 ⓘ |
| range | approximately 2,400 nautical miles ⓘ |
| role | commercial passenger airliner ⓘ |
| status | out of production ⓘ |
| successor |
Boeing 717-200
ⓘ
surface form:
Boeing 717
|
| successorInServiceRole |
Boeing 737
ⓘ
surface form:
Boeing 737 Next Generation
|
| tailConfiguration | T-tail ⓘ |
| typicalSeatingCapacity | 153 ⓘ |
| winglets | no factory-installed winglets ⓘ |
| wingspan | 32.87 m ⓘ |
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-90 Description of subject: The McDonnell Douglas MD-90 is a twin-engine, medium-range commercial jet airliner developed in the 1990s as an updated, stretched, and more fuel-efficient derivative of the MD-80 series.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
MD90
this entity surface form:
MD-90
this entity surface form:
MD-90-30
this entity surface form:
MD-90-30ER
this entity surface form:
MD-90-30T
this entity surface form:
MD-90-50 (proposed)
this entity surface form:
MD-90