De Havilland Canada Dash 7
E563875
The De Havilland Canada Dash 7 is a four-engine regional turboprop airliner renowned for its short takeoff and landing (STOL) capabilities, enabling operations from short and rough runways.
All labels observed (3)
| Label | Occurrences |
|---|---|
| DHC-7 Dash 7 | 1 |
| DHC7 | 1 |
| De Havilland Canada Dash 7 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6016322 — 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: De Havilland Canada Dash 7 Context triple: [De Havilland Canada Dash 8, developedFrom, De Havilland Canada Dash 7]
-
A.
De Havilland Canada Dash 8
The De Havilland Canada Dash 8 is a family of twin‑engine, high‑wing turboprop regional airliners known for their short takeoff and landing performance and widespread use on short-haul routes worldwide.
-
B.
Beechcraft Duchess
The Beechcraft Duchess is a light twin-engine training and touring aircraft known for its reliability and use in multi-engine pilot instruction.
-
C.
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.
-
D.
Hawker Siddeley HS 748
The Hawker Siddeley HS 748 is a British twin-engine turboprop airliner designed in the late 1950s for short-haul regional routes and renowned for its rugged reliability and ability to operate from short, rough airstrips.
-
E.
Convair 880
The Convair 880 was a narrow-body jet airliner introduced in the early 1960s, known for its high speed but limited commercial success compared to contemporaries like the Boeing 707.
- 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: De Havilland Canada Dash 7 Target entity description: The De Havilland Canada Dash 7 is a four-engine regional turboprop airliner renowned for its short takeoff and landing (STOL) capabilities, enabling operations from short and rough runways.
-
A.
De Havilland Canada Dash 8
The De Havilland Canada Dash 8 is a family of twin‑engine, high‑wing turboprop regional airliners known for their short takeoff and landing performance and widespread use on short-haul routes worldwide.
-
B.
Beechcraft Duchess
The Beechcraft Duchess is a light twin-engine training and touring aircraft known for its reliability and use in multi-engine pilot instruction.
-
C.
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.
-
D.
Hawker Siddeley HS 748
The Hawker Siddeley HS 748 is a British twin-engine turboprop airliner designed in the late 1950s for short-haul regional routes and renowned for its rugged reliability and ability to operate from short, rough airstrips.
-
E.
Convair 880
The Convair 880 was a narrow-body jet airliner introduced in the early 1960s, known for its high speed but limited commercial success compared to contemporaries like the Boeing 707.
- F. None of above. chosen
Statements (56)
| Predicate | Object |
|---|---|
| instanceOf |
STOL aircraft
ⓘ
regional airliner ⓘ turboprop aircraft ⓘ |
| aircraftType | four‑engine turboprop ⓘ |
| countryOfOrigin | Canada ⓘ |
| crew | 2 ⓘ |
| cruiseSpeed |
230 kn
ⓘ
426 km/h ⓘ |
| designFeature |
full-span spoilers
ⓘ
large double-slotted flaps ⓘ oversized propellers for low-speed lift ⓘ |
| designGoal | operate from 2000 ft runways ⓘ |
| engineModel | Pratt & Whitney Canada PT6A-50 ⓘ |
| engineType | turboprop ⓘ |
| firstFlightDate | 1975-03-27 ⓘ |
| firstOperator | Rockwell International ⓘ |
| height |
24 ft 7 in
ⓘ
7.49 m ⓘ |
| ICAOTypeDesignator |
DHC7
ⓘ
linked to:
De Havilland Canada Dash 7
|
| introducedInService | 1978 ⓘ |
| landingGearType | retractable tricycle landing gear ⓘ |
| length |
24.59 m
ⓘ
80 ft 8 in ⓘ |
| manufacturer | De Havilland Canada ⓘ |
| maximumTakeoffWeight |
19958 kg
ⓘ
44000 lb ⓘ |
| noiseCharacteristic | relatively quiet for a four‑engine turboprop ⓘ |
| notableFeature |
ability to operate from rough runways
ⓘ
ability to operate from short runways ⓘ short takeoff and landing capability ⓘ |
| numberBuilt | 113 ⓘ |
| numberOfEngines | 4 ⓘ |
| primaryRole | regional airliner ⓘ |
| productionEndYear | 1988 ⓘ |
| productionStartYear | 1975 ⓘ |
| range |
1296 km
ⓘ
700 nmi ⓘ |
| serviceCeiling |
20000 ft
ⓘ
6096 m ⓘ |
| status | out of production ⓘ |
| successor | De Havilland Canada Dash 8 ⓘ |
| tailConfiguration | T-tail ⓘ |
| typicalPassengerCapacity |
48
ⓘ
50 ⓘ |
| usedBy |
Air Canada
ⓘ
Brymon Airways ⓘ Tyrolean Airways ⓘ US Air Force ⓘ
linked to:
United States Air Force
US Army ⓘ
linked to:
United States Army
|
| usedFor |
cargo transport
ⓘ
maritime patrol ⓘ regional passenger transport ⓘ surveillance ⓘ |
| wingConfiguration | high wing ⓘ |
| wingspan |
28.35 m
ⓘ
93 ft ⓘ |
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: De Havilland Canada Dash 7 Description of subject: The De Havilland Canada Dash 7 is a four-engine regional turboprop airliner renowned for its short takeoff and landing (STOL) capabilities, enabling operations from short and rough runways.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: De Havilland Canada Dash 7
linked to: De Havilland Canada Dash 7