The Pitts Model 12 (also known by its nicknames "Bolshoi," "Macho Stinker," and "Pitts Monster"[1]) is a high-performance[2]) aerobatic biplane designed around the Vedeneyev M14P/PF Russian engine.

The aircraft can be built from plans or as a kit plane, or bought ready-to-fly from the factory.

Pitts presented his completed design on his 80th birthday in December 1995.

[4] The Pitts Model 12 is a biplane built using fabric covered welded steel tubing for the fuselage, and fabric covered wings with wood spars.

Media related to Pitts Model 12 at Wikimedia Commons