Sukhoi Su-15 Flagon for AI Traffic (Expansion Pack). Expansion for my Su-15 Flagon for AI traffic, which includes both a service pack and a stand-alone expansion. Two aircraft from the original package were missing some minor animations, and this file fixes that. Additionally, I have included three variants planned but never built by Sukhoi. Original aircraft model, flight dynamics, and textures by Michael Pearson. Please read included documentation.