NC

NC was a two-letter registry prefix.

In 2153, this registry prefix was for United Earth Starfleet auxiliary craft. An example was NC-05. (ENT: "Regeneration", "Home")

In 2154, this registry prefix was used for the Sarajevo-type starships. An example was the Sarajevo (NC-27). (ENT: "Daedalus")

In the era of the United Federation of Planets, the NC prefix was used with non-Starfleet starships. The registries of both the SS Columbia and the Aurora began with this prefix. (TOS: "The Way to Eden")