Prefsbelt IV was a planet upon which was located the Prefsbelt IV Naval Academy. It was here that for several years between the battles of Nar Shaddaa and Ord Biniir Soontir Fel taught. Prior to the Battle of Endor the planet housed the shuttle Tydirium until Wedge Antilles stole it.
Lon Donell was a native of this planet.
- Star Wars: Rogue Squadron III: Rebel Strike
- Star Wars Empire: Darklighter
- Star Wars: Rogue Squadron II: Rogue Leader
- X-wing Rogue Squadron: In the Empire's Service (Mentioned only)
- X-wing Rogue Squadron 25: The Making of Baron Fel (First appearance)
- X-wing: Isard's Revenge (Mentioned only)