Capitan avalos flying school at el Bosque AFB, Santiago, Chile. In Middle 1980s.
The T-34A and B are externally identical - except for the Propeller. The T-34A was standard equipped with a 2 Bladed Prop, and the T-34B had a 3 Bladed Prop as factory provided configuration. The T-34B had a larger engine, but there were no cowling modifications needed.
Artist: © E.Eschmann C.
Source: Revista Fuerza Aerea Magazine (Chilean)