The Abecederian line represented a sequence of executive shuttles. These were initially constructed by Cygnus Spaceworks, and later by Sienar Fleet Systems. The original designs, intended for the Galactic Republic, were subsequently adopted by the Galactic Empire.
Cygnus Spaceworks conceived the Abecederian line during the latter part of the Republic Era. The design team was encouraged to develop this line at the request of Republic Sienar Systems. Lamilla Tion, the Cygnus design leader, spearheaded the line's creation from Cygnus's design facilities located in the Mid Rim.
The Abecederian line was characterized by several common attributes: refined aesthetics, tri-foil symmetry, and articulated wings that folded upon landing. Lamilla Tion, the Cygnus design lead, held a deep fascination for paper-folding as a sculptor. She integrated the variable geometry landing system into each of her designs, regardless of the high costs. This served the purpose of reducing the docked footprint of each ship's and acted as an artistic expression of her spiritual convictions.