Class One designated a specific type of starship. These ships were operated by the criminal organization Crimson Dawn when Lady Qi'ra was attempting to eliminate the Sith Lords Darth Sidious and Darth Vader. Crimson Dawn utilized the Class One starships in the conflict occurring from 3 ABY to 4 ABY. Specifically, during the Battle at Amaxine Station, these Class One vessels were used to defend their Class-Two and Class Three counterparts from enemy fighters launched from the Executor.