CAP
 
CAP 232
 

The CAP Aviation CAP-23x family is a family of aircraft designed for competition aerobatics. The CAP 230 airframe was a direct development of the CAP 21 competition single seater strengthened to cope with a 300 hp 6-cylinder Lycoming AEIO-540 engine instead of the 200 hp original 4-cylinder Lycoming AEIO-360.

Source: Wikipedia