Airco DH.9A
E498920
The Airco DH.9A was a British single-engine, two-seat bomber and reconnaissance aircraft of World War I and the interwar period, known for its improved performance and reliability over the earlier DH.9.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Airco DH.9A canonical | 9 |
| Airco DH-9A | 2 |
| Airco DH.9A (in some roles) | 1 |
| De Havilland DH.9A | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4949416 — 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: Airco DH.9A Context triple: [Airco, product, Airco DH.9A]
-
A.
Airco DH.9
The Airco DH.9 was a British World War I single-engine light bomber designed to improve on earlier models but hampered in service by an underpowered and unreliable engine.
-
B.
Airco DH.6
The Airco DH.6 was a British single-engine biplane widely used as a basic trainer aircraft during World War I.
-
C.
Airco DH.1
The Airco DH.1 was a British two-seat pusher biplane reconnaissance and fighter aircraft used early in World War I.
-
D.
Airco DH.4
The Airco DH.4 was a British World War I two-seat day bomber and reconnaissance aircraft widely used by both the Royal Flying Corps and later the Royal Air Force.
-
E.
Airco DH.2
The Airco DH.2 was a British single-seat pusher biplane fighter of World War I, notable as one of the first effective Allied aircraft designed specifically to counter the Fokker Eindecker.
- 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: Airco DH.9A Target entity description: The Airco DH.9A was a British single-engine, two-seat bomber and reconnaissance aircraft of World War I and the interwar period, known for its improved performance and reliability over the earlier DH.9.
-
A.
Airco DH.9
The Airco DH.9 was a British World War I single-engine light bomber designed to improve on earlier models but hampered in service by an underpowered and unreliable engine.
-
B.
Airco DH.6
The Airco DH.6 was a British single-engine biplane widely used as a basic trainer aircraft during World War I.
-
C.
Airco DH.1
The Airco DH.1 was a British two-seat pusher biplane reconnaissance and fighter aircraft used early in World War I.
-
D.
Airco DH.4
The Airco DH.4 was a British World War I two-seat day bomber and reconnaissance aircraft widely used by both the Royal Flying Corps and later the Royal Air Force.
-
E.
Airco DH.2
The Airco DH.2 was a British single-seat pusher biplane fighter of World War I, notable as one of the first effective Allied aircraft designed specifically to counter the Fokker Eindecker.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
biplane
ⓘ
military aircraft ⓘ reconnaissance aircraft ⓘ single‑engine aircraft ⓘ two‑seat aircraft ⓘ |
| aircraftConfiguration | two‑bay biplane ⓘ |
| airframeType | conventional taildragger landing gear ⓘ |
| armament |
fixed forward‑firing machine gun
ⓘ
flexible rear‑mounted machine guns ⓘ internal bomb load ⓘ |
| basedOn | Airco DH.9 ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| crew | 2 ⓘ |
| designer | Geoffrey de Havilland ⓘ |
| engineType | liquid‑cooled V‑12 piston engine ⓘ |
| enteredRAFService | No. 110 Squadron RAF ⓘ |
| firstFlight | 1918 ⓘ |
| fuselageConstruction | wooden structure with fabric covering ⓘ |
| improvementOver | Airco DH.9 ⓘ |
| introduced | 1918 ⓘ |
| manufacturer | Airco ⓘ |
| maximumSpeed | approximately 123 mph ⓘ |
| notableFeature |
greater bomb load than DH.9
ⓘ
improved reliability compared with DH.9 ⓘ |
| operator |
Polish Air Force
ⓘ
Royal Air Force ⓘ Royal Australian Air Force ⓘ Royal Canadian Air Force ⓘ South African Air Force ⓘ United States Army Air Service ⓘ |
| powerplant |
Liberty L‑12 V‑12 engine
ⓘ
linked to:
Liberty L-12 engine
|
| primaryUser | Royal Air Force ⓘ |
| productionPeriod | late World War I and early interwar years ⓘ |
| range | approximately 390 miles ⓘ |
| role |
day bomber
ⓘ
reconnaissance ⓘ |
| serviceCeiling | approximately 19000 ft ⓘ |
| successorTo | Airco DH.4 in RAF service ⓘ |
| usedFor |
aerial reconnaissance
ⓘ
aircrew training ⓘ bombing missions ⓘ |
| usedInConflict |
Irish War of Independence
ⓘ
Russian Civil War ⓘ Third Anglo‑Afghan War ⓘ
linked to:
Third Anglo-Afghan War
World War I ⓘ interwar colonial conflicts ⓘ |
| wingConfiguration | unstaggered biplane wings ⓘ |
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: Airco DH.9A Description of subject: The Airco DH.9A was a British single-engine, two-seat bomber and reconnaissance aircraft of World War I and the interwar period, known for its improved performance and reliability over the earlier DH.9.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Airco DH.9A
linked to: Airco DH.9A
linked to: Airco DH.9A
linked to: Airco DH.9A