Douglas DB-7

E665076

attack aircraft light bomber

The Douglas DB-7 was an American World War II-era light bomber and attack aircraft that served with multiple Allied air forces and formed the basis for the later Douglas Boston series.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (3)

Label	Occurrences
DB‑7	1
Douglas DB-7 canonical	1
Douglas DB-7 series	1

How this entity was disambiguated

This entity first appeared as the object of triple T7450325 — 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: Douglas DB-7
Context triple: [Douglas Boston, developedFrom, Douglas DB-7]

A. Douglas DC-2
The Douglas DC-2 is a pioneering 1930s American twin-engine airliner that helped establish reliable commercial air travel and directly influenced the design of the famous DC-3.
B. Douglas DC-4
The Douglas DC-4 is a four-engine propeller-driven airliner developed in the 1940s that became a widely used long-range civilian transport aircraft after World War II.
C. Martin B‑10
The Martin B‑10 was a pioneering American all-metal monoplane bomber of the 1930s that introduced many modern features such as enclosed cockpits, internal bomb bays, and retractable landing gear.
D. Handley Page Victor
The Handley Page Victor was a British Cold War-era strategic bomber later adapted as an aerial refueling tanker, notable for its role supporting long-range missions such as the Falklands War Black Buck raids.
E. Douglas DC-3
The Douglas DC-3 is a pioneering twin-engine propeller-driven airliner and transport aircraft introduced in the 1930s that revolutionized commercial aviation with its reliability, range, and capacity.
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: Douglas DB-7
Target entity description: The Douglas DB-7 was an American World War II-era light bomber and attack aircraft that served with multiple Allied air forces and formed the basis for the later Douglas Boston series.

A. Douglas DC-2
The Douglas DC-2 is a pioneering 1930s American twin-engine airliner that helped establish reliable commercial air travel and directly influenced the design of the famous DC-3.
B. Douglas DC-4
The Douglas DC-4 is a four-engine propeller-driven airliner developed in the 1940s that became a widely used long-range civilian transport aircraft after World War II.
C. Martin B‑10
The Martin B‑10 was a pioneering American all-metal monoplane bomber of the 1930s that introduced many modern features such as enclosed cockpits, internal bomb bays, and retractable landing gear.
D. Handley Page Victor
The Handley Page Victor was a British Cold War-era strategic bomber later adapted as an aerial refueling tanker, notable for its role supporting long-range missions such as the Falklands War Black Buck raids.
E. Douglas DC-3
The Douglas DC-3 is a pioneering twin-engine propeller-driven airliner and transport aircraft introduced in the 1930s that revolutionized commercial aviation with its reliability, range, and capacity.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	attack aircraft ⓘ light bomber ⓘ
aircraftCategory	attack bomber ⓘ tactical bomber ⓘ
aircraftConfiguration	mid-wing monoplane ⓘ twin-engine ⓘ
alsoKnownAs	Boston (in British and Commonwealth service) ⓘ Douglas A-20 (in U.S. service) ⓘ linked to: Douglas A-20 Havoc
armament	defensive machine guns in dorsal and ventral positions ⓘ forward-firing machine guns ⓘ
bombLoad	up to 2000 lb of bombs ⓘ up to 907 kg of bombs ⓘ
construction	all-metal airframe ⓘ
countryOfOrigin	United States ⓘ linked to: United States of America
crew	3 ⓘ
designedFor	export to France ⓘ
developedInto	Douglas A-20 Havoc ⓘ Douglas Boston ⓘ
engineType	radial piston engine ⓘ
enteredService	1940 ⓘ
era	World War II era ⓘ linked to: World War II
firstFlight	1938 ⓘ
landingGear	retractable conventional landing gear ⓘ
manufacturer	Douglas Aircraft Company ⓘ
maximumSpeed	approximately 317 mph ⓘ approximately 510 km/h ⓘ
natoOrAlliedDesignation	Boston ⓘ
notableTheaterOfOperation	Eastern Front ⓘ European Theater of Operations ⓘ linked to: European Theater of Operations, United States Army North African Campaign ⓘ linked to: North African campaign
numberOfEngines	2 ⓘ
powerplant	Wright R-2600 Twin Cyclone ⓘ
primaryUser	French Air Force ⓘ Royal Air Force ⓘ Soviet Air Force ⓘ linked to: Soviet Air Forces United States Army Air Forces ⓘ
range	approximately 1100 miles ⓘ approximately 1770 km ⓘ
role	ground-attack aircraft ⓘ light bomber ⓘ
serviceCeiling	approximately 23000 ft ⓘ approximately 7000 m ⓘ
usArmyDesignation	A-20 Havoc ⓘ linked to: Douglas A-20 Havoc
usedBy	Royal Australian Air Force ⓘ Royal Canadian Air Force ⓘ South African Air Force ⓘ
usedInConflict	World War II ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Douglas Boston → developedFrom → Douglas DB-7 ⓘ

Douglas Boston → aircraftFamily → Douglas DB-7 series ⓘ

linked to: Douglas DB-7

A-20 Havoc → alsoKnownAs → DB‑7 ⓘ