Susan was an Aves assigned to Flight Group 3 (a.k.a. Gamma Flight a.k.a. The Quicksilver Angels [informal]) Its aviator was Flight Lieutenant Dallas.
Susan transported landing teams to the surface of Bodicea colony, and dignitaries from Bodicea to Pegasus. (Book 03: Bodicea)
Susan transported David Alkema from the Charlemagne Starlock to Pegasus. (Book 11: Charlemagne)