- You may be looking for Cyber-ships used to journey to Nerva Beacon.
A Cyber Ship was a craft which made up the Cyber Legions of the Cybermen. Rory Williams and the Eleventh Doctor infiltrated and caused the destruction of several ships in the Twelfth Cyber Legion to learn the location of Demon's Run prior to their attack. (TV: A Good Man Goes to War)
A Cyber Ship, either on a military mission or colonisation mission, crash landed in the village of Klimtenburg prior to the 19th century. The ship's reactor housing was shattered but the reactor itself shut down. The surviving Cybermen seeded the atmosphere, which created lightning storms, from which they would collect power for the ship. However, they were defeated by the Eleventh Doctor and the villagers. The ship deactivated after all the Cybermen were destroyed. (PROSE: Plague of the Cybermen)
An armada of Cyber Ships commanded by a Cyber-Controller travelled from one universe to another an entered an alliance with the Borg. The Cybermen eventually betrayed the Borg, leading the latter to form a truce with Starfleet and the Eleventh Doctor and they stormed the Cyber-Controller's command ship. Once the Borg Conciousness was free of Cyber control, all the Cyber Ships were set to self-destruct. (COMIC: Assimilation²)