Air Enthusiast 1972-12
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The Vultee YA-19 in service with the HQ Squadron, 17th Attack Group, at March Field in September 1939.
The seventh YA-19 after conversion to XA-19A with Lycoming O-1230 engine.
The XA-19A subsequently became the XA-19C, as shown here, with Pratt & Whitney R-1830 engine replacing the Lycoming.
The second YA-19 was assigned to Pratt & Whitney as a test-bed for the R-2800 engine, becoming the XA-19B.