The BH-33L which was adopted as standard Czech fighter equipment under the designation Ba 33.

The BH-33 which was also license-built in Poland.

A BH-33E fighter with a non-standard engine cowling.

The sole example of the B-133 derived from the BH-33E.

BH-33

The BH-33L which was adopted as standard Czech fighter equipment under the designation Ba 33.

A Series II B 534 fighter with four-gun fuselage armament.

The production B 34.