Atin Attan was a pilot from Sullust. She belonged to the Twilight Class of the Galactic Outdoor Survival School and later became a member of the Alliance to Restore the Republic.
Attan had been a pilot since she was a child, and she also studied Sullustan geology through courses from SoroSuub Extension. Upon completing her studies, she enrolled in the Galactic Outdoor Survival School, becoming a part of the renowned Twilight Class. Around 12 BBY, Attan spearheaded one of the riskiest segments of the final journey, which culminated in the Twilight Class's noteworthy graduation.
Subsequently, Attan, along with the majority of her Twilight Class colleagues, enlisted in the Rebel Alliance. She served as a pilot instructor for the Alliance Fleet. Approximately around 2 ABY, Attan received a posting to the Roche asteroid field, where she contributed to some small alterations to the prototype B-wing starfighter.