McDonnell Douglas MD-87
E757145
The McDonnell Douglas MD-87 is a shortened, medium-range variant of the MD-80 series jet airliners, designed for improved performance on routes with lower passenger demand.
All labels observed (3)
| Label | Occurrences |
|---|---|
| McDonnell Douglas MD-87 canonical | 2 |
| MD-87 | 1 |
| MD87 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8631689 — 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-87 Context triple: [MD series airliners, memberOfSeries, McDonnell Douglas MD-87]
-
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 MD-90
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.
-
C.
McDonnell Douglas MD-95
The McDonnell Douglas MD-95, later redesignated the Boeing 717, is a twin-engine, short- to medium-range jet airliner developed as the final member of the DC-9/MD-80 family for regional airline service.
-
D.
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.
-
E.
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.
- 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-87 Target entity description: The McDonnell Douglas MD-87 is a shortened, medium-range variant of the MD-80 series jet airliners, designed for improved performance on routes with lower passenger demand.
-
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 MD-90
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.
-
C.
McDonnell Douglas MD-95
The McDonnell Douglas MD-95, later redesignated the Boeing 717, is a twin-engine, short- to medium-range jet airliner developed as the final member of the DC-9/MD-80 family for regional airline service.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
MD-80 series variant
ⓘ
narrow-body jet airliner ⓘ |
| aircraftFamily |
DC-9 family
ⓘ
linked to:
McDonnell Douglas DC-9
|
| aircraftRole |
medium-range airliner
ⓘ
passenger airliner ⓘ |
| cockpitCrew | 2 ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| cruiseSpeed |
Mach 0.76
ⓘ
about 811 km/h ⓘ |
| derivativeOf | McDonnell Douglas MD-80 ⓘ |
| designedFor | routes with lower passenger demand ⓘ |
| designFeature |
auxiliary tailcone airstair (optional)
ⓘ
improved field performance ⓘ increased range compared to earlier MD-80 variants ⓘ shortened fuselage compared to MD-88 ⓘ |
| engineModel |
Pratt & Whitney JT8D-217C
ⓘ
linked to:
Pratt & Whitney JT8D
Pratt & Whitney JT8D-219 ⓘ
linked to:
Pratt & Whitney JT8D
|
| engineMounting | rear-fuselage mounted ⓘ |
| engineType | turbofan ⓘ |
| firstCustomer | Iberia ⓘ |
| firstFlight | 1987-12-04 ⓘ |
| fuselageLength |
130 ft 5 in
ⓘ
39.75 m ⓘ |
| height |
29 ft 7 in
ⓘ
9.02 m ⓘ |
| IATATypCode | M87 ⓘ |
| ICAOTypeDesignator |
MD87
ⓘ
linked to:
McDonnell Douglas MD-87
|
| introduced | 1988 ⓘ |
| landingGear | tricycle retractable landing gear ⓘ |
| manufacturer | McDonnell Douglas ⓘ |
| maximumSeating | 139 passengers ⓘ |
| numberBuilt | approximately 75 units ⓘ |
| numberOfEngines | 2 ⓘ |
| numberOfExits | 2 main passenger doors ⓘ |
| numberOfOverwingExits | 2 ⓘ |
| partOfSeries | McDonnell Douglas MD-80 ⓘ |
| pressurizedCabin | yes ⓘ |
| primaryUse | short- to medium-haul routes ⓘ |
| productionEnd | late 1990s ⓘ |
| range |
approximately 2,200 nmi
ⓘ
approximately 4,000 km ⓘ |
| status | out of production ⓘ |
| successor |
Boeing 717
ⓘ
linked to:
Boeing 717-200
|
| tailConfiguration | T-tail ⓘ |
| typicalSeating | 114 passengers ⓘ |
| wingConfiguration | low-wing monoplane ⓘ |
| wingspan |
107 ft 10 in
ⓘ
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-87 Description of subject: The McDonnell Douglas MD-87 is a shortened, medium-range variant of the MD-80 series jet airliners, designed for improved performance on routes with lower passenger demand.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: McDonnell Douglas MD-87
linked to: McDonnell Douglas MD-87