The IAe.31 Colibrí ("Hummingbird") was a civil trainer aircraft developed in Argentina in the 1940s. It by the Insitituto Aerotécnico for manufacture by the H. Goberna factory in Córdoba Province as an initiative under President Juan Perón's first five year plan. The design used the AeC.3G of the early 1930s as a starting point, but was a considerably modernised aircraft. Like the AeC.3G, however, it was a conventional low-wing cantilever monoplane with seating for pilot and instructor in tandem and fixed tailwheel undercarriage. Unlike its predecessor, the cockpits were enclosed under a long canopy. In the event, only three examples were built.