Overview
The North American XB-28 (NA-63) was an aircraft proposed by North American Aviation to fill a strong need in the United States Army Air Corps for a high-altitude medium bomber. It never entered production, with only two prototypes being built.
Specifications
Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.
Photos
Photo 1: Unknown authorUnknown author / Wikimedia Commons · Public domain
Some text and images come from Wikipedia / Wikimedia Commons under CC BY-SA licences. Source
