The fuselage design remained unchanged and only leading edge triangular apex surfaces were added to reduce buffeting during high G pullups.

[1] To increase performance, in 1991, a carbon-fiber wing taken from an EXTRA 260 (thus the -EX name) was adapted to a few CAP 231 airframes.

While the fuselage construction retained wood, a carbon-fiber wing was specially designed for durability and light weight.

[citation needed] The CAP 232 just like the -230 and -231/-231EX were slightly modified to strengthen the fuselage structure after a fatal accident in 2005 which grounded them for a full year.

Fuselage rib n°2 holding the landing gear and the wing spar has been reinforced externally and internally.