The Boeing F2B was an American biplane fighter aircraft of the United States Navy in the 1920s, familiar to aviation enthusiasts of the era as the craft of the Three Sea Hawks aerobatic flying team, famous for its tied-together formation flying. == Design and development == Initially the Boeing Model 69, it was inspired by the results of tests on the FB-6, which was powered by a Pratt & Whitney R-1340B Wasp radial engine.
The Boeing F2B was an American biplane fighter aircraft of the United States Navy in the 1920s, familiar to aviation enthusiasts of the era as the craft of the Three Sea Hawks aerobatic flying team, famous for its tied-together formation flying. == Design and development == Initially the Boeing Model 69, it was inspired by the results of tests on the FB-6, which was powered by a Pratt & Whitney R-1340B Wasp radial engine.
Source: Wikipedia "Boeing F2B" · CC BY-SA 4.0
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