Tags: Aircraft.
The Grade monoplane was a single-seat aircraft constructed by Hans Grade in 1909. It was the first successful heavier-than-air aircraft produced in Germany and around 80 were eventually built.
Tags: Aircraft.
The Grade monoplane was a single-seat aircraft constructed by Hans Grade in 1909. It was the first successful heavier-than-air aircraft produced in Germany and around 80 were eventually built.
Loading...
This page contains content from the copyrighted Wikipedia article "Grade monoplane"; 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.