Raab-Katzenstein RK-26
Автор:
Jesse Russell,Ronald Cohn, издатель:
"VSD", ISBN:
978-5-5112-0901-2
High Quality Content by WIKIPEDIA articles! Raab-Katzenstein RK-26 Tigerschwalbe was a German twin-seat biplane trainer aircraft designed by Gerhard Fieseler by the end of the 1920s.