FSX/Prepar3D – Scenery SESA-Salinas, Ecuador. General Ulpiano Paez Airport (IATA: SNC, ICAO: SESA) is a public/military joint-use airport located near Salinas, a city in the province of Santa Elena in Ecuador. During World War II the airport was used by the United States Army Air Forces Sixth Air Force defending the South American coastline and the Panama Canal against Japanese submarines. AFCAD and real position are added. By Fernando Angel Gonzalez.