EXCALIBUR-6 : ultra-quiet propeller
Beginning of August, 2018, at the Magdeburg airfield, the Niki Rotor Aviation company has successfully completed the noise emission measurement on its Kallithea model made […]
German agreement
Beginning of August, 2018, at the Magdeburg airfield, the Niki Rotor Aviation company has successfully completed the noise emission measurement on its Kallithea model made […]