Douglas B-18 Bolo

E206306

The Douglas B-18 Bolo was an American twin‑engine medium bomber of the late 1930s and early World War II, used primarily for patrol, training, and anti-submarine duties before being superseded by more advanced aircraft.

All labels observed (4)

Label Occurrences
Douglas B-18 Bolo canonical 3
B-18 1
B-18A 1

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf medium bomber ⓘ
military aircraft ⓘ
twin‑engine aircraft ⓘ
airframeOrigin modified Douglas DC-2 fuselage ⓘ
armament machine guns in nose, dorsal, and ventral positions ⓘ
B-18AFeature revised nose with bombardier position ⓘ
B-18BFeature equipped for anti-submarine warfare ⓘ
bombLoad up to 4,400 lb of bombs ⓘ
construction all-metal monoplane ⓘ
countryOfOrigin United States of America ⓘ
surface form: United States
crew 6 ⓘ
designation Douglas B-18 Bolo self-linksurface differs ⓘ
surface form: B-18
developedFrom Douglas DC-2 ⓘ
engineType Wright R-1820 radial engine ⓘ
surface form: Wright R-1820 Cyclone
enteredService late 1930s ⓘ
era early World War II ⓘ
late 1930s ⓘ
firstFlight 1935 ⓘ
introduced 1936 ⓘ
length approximately 57 ft ⓘ
manufacturer Douglas Aircraft Company ⓘ
maximumSpeed about 215 mph ⓘ
nickname Bolo ⓘ
notableUse Caribbean anti-submarine patrols ⓘ
coastal patrols off North America ⓘ
numberBuilt approximately 350 ⓘ
numberOfEngines 2 ⓘ
powerplant two Wright R-1820 radial engines ⓘ
primaryUser United States Army Air Corps ⓘ
productionPeriod late 1930s ⓘ
range about 1,900 miles ⓘ
retired late 1940s ⓘ
role anti-submarine warfare aircraft ⓘ
maritime patrol aircraft ⓘ
medium bomber ⓘ
training aircraft ⓘ
serviceCeiling about 23,900 ft ⓘ
supersededBy Boeing B-17 Flying Fortress ⓘ
Martin B-26 Marauder ⓘ
North American B-25B Mitchell ⓘ
surface form: North American B-25 Mitchell
usedBy Brazilian Air Force ⓘ
Royal Australian Air Force ⓘ
Royal Canadian Air Force ⓘ
United States Army Air Corps ⓘ
usedInConflict World War II ⓘ
variant Douglas B-18 Bolo self-linksurface differs ⓘ
surface form: B-18A

Douglas B-18 Bolo self-linksurface differs ⓘ
surface form: B-18B

B-18C ⓘ
wingspan approximately 89 ft ⓘ

How these facts were elicited

Referenced by (6)

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

Douglas Aircraft Company → notableProduct → Douglas B-18 Bolo ⓘ
Douglas B-18 Bolo → designation → Douglas B-18 Bolo self-linksurface differs ⓘ
this entity surface form: B-18
Douglas B-18 Bolo → variant → Douglas B-18 Bolo self-linksurface differs ⓘ
this entity surface form: B-18A
Douglas B-18 Bolo → variant → Douglas B-18 Bolo self-linksurface differs ⓘ
this entity surface form: B-18B