"Par Avion" is the twelfth episode of Season 3 and the sixty-first produced hour of the series as a whole. It was originally broadcast on March 14, 2007. After noticing some migratory birds, Claire hatches an impressive plan to get the survivors of Flight 815 rescued. Meanwhile, Sayid, Kate, Locke, and Danielle continue their trek to the Barracks with Mikhail in tow.