The Lockheed Model 8 Sirius is a single-engined, propeller-driven monoplane designed and built by Jack Northrop and Gerard Vultee while they were engineers at Lockheed in 1929, at the request of Charles Lindbergh. == History == In 1929 and 1930 15 Sirius aircraft were constructed.
The Lockheed Model 8 Sirius is a single-engined, propeller-driven monoplane designed and built by Jack Northrop and Gerard Vultee while they were engineers at Lockheed in 1929, at the request of Charles Lindbergh. == History == In 1929 and 1930 15 Sirius aircraft were constructed.
Source: Wikipedia "Lockheed Model 8 Sirius" · CC BY-SA 4.0
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