Tags: Aircraft.
The Keystone K-78 Patrician was an airliner developed in the United States in the late 1920s built only in prototype form.
Loading...
This page contains content from the copyrighted Wikipedia article "Keystone Patrician"; that content is used under the GNU Free Documentation License (GFDL). You may redistribute it, verbatim or modified, providing that you comply with the terms of the GFDL.