The Stadler SPATZ or Schmalspur Panorama Trieb Zug ("Spatz" being the German word for "sparrow") is a narrow gauge multiple unit manufactured by Stadler Rail.
The centre section is high floor and contains the motors and traction equipment.
The centre section is fitted with extra large panoramic windows.
Stadler SPATZ units (classified as ABe 130) are used on the adhesion sections of the Zentralbahn (Luzern S-Bahn and Interlaken – Meiringen).
Stadler SPATZ units are also used by the Matterhorn Gotthard Bahn (as classes 2011, 2021 and 2051) and SNCF (as class Z 850) on the Ligne de Saint Gervais - Vallorcine.