The Ion Jet engine, a creation of Koensayr Manufacturing, functioned as a sublight drive engine for starships. It was specifically designed for implementation in the BTL Y-wing starfighter and the BTS-A2 Long-Range Strike Fighter/Bomber.
- The Star Wars Sourcebook
- " The H-Wing Strike Fighter " — Challenge 35 (Unlicensed)
- The Star Wars Sourcebook, Second Edition
- Star Wars Trilogy Sourcebook, Special Edition
- The Complete Star Wars Encyclopedia (as ionjet)