Three coupled "Flirts" in multiple control are returning from Flüelen to Erstfeld at Rynächt, after pantograph test runs through the Gotthard Base Tunnel (GBT). RABe 523 # 105 for the RER Vaudois (around Lausanne in western part of Switzerland), RABe 524 # 301 for the TILO (for 15000 V 16,7 Hz AC and 3000 V DC for Italy) and RABe 523 # 104 for the RER Vaudois.