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Douglas O-2 Observation Biplane Framework
Douglas O-2 Observation Biplane Framework 
Douglas O-2C Observation Plane
Douglas O-2C Observation Plane 
Douglas O-25A in Factory
Douglas O-25A in Factory 
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Douglas O-29 Nose 
O-22 Observation Plane Nose
O-22 Observation Plane Nose 
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Douglas O-2D on the Ground 
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Douglas Mail Planes in Factory 
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Mexican O-2M with Pilot 
Douglas O-22 Observation Biplane on Ground
Douglas O-22 Observation Biplane on Ground 
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Douglas O-2M Engine 
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Douglas World Cruiser Framework 
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Douglas O-2J on Ground 
Douglas O-2E Observation Biplane on Ground
Douglas O-2E Observation Biplane on Ground 
Douglas O-7 Observation Biplane
Douglas O-7 Observation Biplane 
Douglas O-8 Observation Biplane on Ground
Douglas O-8 Observation Biplane on Ground 
Douglas O-2 Observation Biplane on Ground
Douglas O-2 Observation Biplane on Ground 
Douglas O-2 Flight Line in Field
Douglas O-2 Flight Line in Field 
Douglas O-25 Observation Biplane on Ground
Douglas O-25 Observation Biplane on Ground 
Douglas O-24 Observation Biplane on Ground
Douglas O-24 Observation Biplane on Ground 
Drafting the Cloudster
Drafting the Cloudster 
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Douglas O-2 Framework

Douglas built its first experimental observation aircraft in 1923 and delivered 45 production-version O-2s in 1924. On February 16, 1925, a contract was signed with the Army for 75 more, the largest single contract the company had received up to that time. More than 250 O-2s were built in 11 versions over a five-year period. These models were so different from one another that is surprising the Army retained the O-2 designation. What all the O-2s had in common were welded steel-tube fuselages, fabric-covered wooden wings and the bulky but durable World War I Liberty engine. Like any aircraft produced in large numbers over a span of years, later O-2 variants incorporated many design improvements. Some O-2s had more streamlined fuselages and two-bladed metal propellers instead of the previous wooden ones. Others were modified as basic trainers by the addition of flight controls and instruments in the rear cockpit. The Douglas O series of observation biplanes were among the most important American military aircraft produced during the 1920s and early 1930s. They saw service with the U.S. Army, Navy, Marine Corps, National Guard units and even the U.S. Coast Guard. Between 1923 and 1936, Douglas produced a total of 879 biplanes in O series including 770 for the U.S. military services, 108 to foreign air forces and one as a civil aircraft. 
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Unique identifier BI2354 
Boeing ID sm363 
Type Image 
Size 5998px × 4144px   23MB 
License type RM 
Keywords
1920s
airplanes
biplanes
cockpits
complexity
control systems
day
engines
exteriors
fuselages
grid patterns
ground shots
historic production status
landing gears
left side views
main wheels
manufacturing
military
military observation aircraft
nobody
photos
propeller planes
propulsion systems
shadows
structural systems
sunshine
tarmac
three-quarter length views
unpaved ground
vintage / retro
wheels
Restrictions