Overview
The Convair XC-99, AF Ser. No. 43-52436, is a prototype heavy cargo aircraft built by Convair for the United States Air Force. It was the largest land-based piston engine transport aircraft ever built, and was developed from the Convair B-36 Peacemaker bomber, sharing the wings and some other structures with it. The first flight was on 24 November 1947 in San Diego, California, and after testing, it was delivered to the Air Force on 26 May 1949, serving in varying capacities until 1957. The Convair Model 37 was a planned civil double-deck passenger variant based on the XC-99, but was not built.
Specifications
Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.
Photos
Photo 1: United States Air Force / Wikimedia Commons · Public domain
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