«Airship. From Zedlitz» («On the blue waves of the ocean ... ») (Russian: «Возду́шный кора́бль. Из Це́длица» («По синим волнам океана…»)) is a ballad from the Napoleonic cycle Lermontov's poems, written and published in 1840. It is a free translation from the German language Austrian romantic writings of Joseph Christian Freiherr von Zedlitz, titled Das Geisterschiff ("ghost ship", 1832). The individual fragments Russian poem was influenced by another ballad of the same Austrian author - "Night parade" (Die nächtliche Heerschau; 1827), published in Russian in 1836 in translation by Zhukovsky.