The A-12 was a highly unusual experimental glider designed by Georges Abrial in the early 1930s. Not only was the design tailless , but it featured wings of extremely small aspect ratio (1:6) - short and stubby, unlike the usually long and slender wings of a sailplane. After encouraging tests of models in the wind tunnel at St Cyr, Abrial built a full-sized version. This eventually presented so many technical problems that he abandoned development in 1932 after christening the craft Bagoas, after the Persian poisoner.

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Related development:

Comparable aircraft: Lippisch Storch II

Designation sequence: A-2 - A-3 - A-5 - A-12 - Buse