Airship
From Tardis Wiki, the free Doctor Who reference
Airships, also known as dirigibles, were a form of aircraft used on various worlds.
The reptilian race known as Betrushians developed dirigibles as means of travel. (PROSE: St Anthony's Fire)
The Hoothi used dirigibles known as Hoothi spheres. (PROSE: Love and War, AUDIO: Love and War)
The R101 was an airship. (AUDIO: Storm Warning)
Zeppelins were a form of airship. (AUDIO: Storm Warning)
