Raab-Katzenstein KL.1 Schwalbe

KL.1 Schwalbe
KL.1C Schwalbe with pilot Gerhard Fieseler
Role Sport and aerobatic aircraft
National origin Germany
Manufacturer Raab-Katzenstein-Flugzeugwerke GmbH
First flight 16 January 1926
Number built c.50
Developed from Dietrich-Gobiet DP.XI

The Raab-Katzenstein KL.1 Schwalbe (Swallow) was a German two-seat biplane produced in the 1920s. About fifty were built and the type became well known as an aerobatic aircraft, performing at many displays in the hands of pilots like Gerhard Fieseler.