List of aircraft (R)
[[Fritz Raab|Raab]]
### [Raab](/wiki/Fritz_Raab "Fritz Raab")

(Fritz Raab)
* [Raab Krähe](/wiki/Raab_Kr%C3%A4he "Raab Krähe")
* [Raab R2](/wiki/Raab_R2 "Raab R2")
* [Raab Doppelraab](/wiki/Raab_Doppelraab "Raab Doppelraab")
* [Pützer Motorraab](/wiki/P%C3%BCtzer_Motorraab "Pützer Motorraab") – built by [Alfons Pützer](/wiki/Alfons_P%C3%BCtzer "Alfons Pützer")


What is the significance of the number of Raab Krähe's wings?