page_title: Bücker Bü 131
section_title: Operators
hierarchical_section_title: Bücker Bü 131 / Operators
caption_attribution_description: English: The Shuttleworth Trust's Bucker Jungmann G-RETA enters a loop at the Old Warden Summer Show 2009
context_page_description: The Bücker Bü 131 "Jungmann" was a German 1930s basic training aircraft which was used by the Luftwaffe during World War II.
context_section_description:  Bulgaria
  Bulgarian Air Force
   Czechoslovakia
  Czechoslovak Air Force
  Czechoslovakian National Security Guard
   Independent State of Croatia
  Zrakoplovstvo Nezavisne Države Hrvatske
   Germany
  Luftwaffe
   Greece
  Hellenic Air Force
   Hungary
  Royal Hungarian Air Force
   Japan
  Imperial Japanese Army Air Service
  Imperial Japanese Navy Air Service
   Netherlands
  Royal Netherlands Air Force
   Poland
  Polish Air Force (1 bought for tests before 1939)
   Romania
  Royal Romanian Air Force
  Romanian Air Force
   Slovakia
  Slovak Air Force (1939–45)
   South Africa
  South African Air Force
   Spain
  Spanish Air Force
    Switzerland
  Swiss Air Force
   Kingdom of Yugoslavia
  Yugoslav Royal Air Force
   Yugoslavia
  SFR Yugoslav Air Force
caption: Jungmann G-RETA of the Shuttleworth Trust enters a loop
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