Viper SD4 with type certificate UL600
The Viper SD4 and its Viper SD4-600 (UL) model has obtained a type certificate for an ultralight aircraft with an MTOM of 600 kg, which is certified in accordance with the LTF-UL regulation and issued by the German DAeC under number 66220.
The validity of the certificate is primarily for Germany, but the certificate for ultralight aircraft in accordance with LTF-UL is recognized almost worldwide.
It is a UL category aircraft, that is globally tied to the environment of amateur associations and aeroclubs and related regulations.