The INTA HM.1, also known as Huarte Mendicoa HM-1, was a 1940s Spanish primary trainer designed by the Instituto Nacional de Técnica Aeronáutica (INTA) and built for them by Aeronáutica Industrial S.A..[1] The HM.1 was designed by INTA as a two-seat primary training monoplane with a fixed tailwheel landing gear.

[1] It was followed by a number of similar aircraft with equipment and accommodation changes.

[1] The last of the family was the HM.7 built in 1947 which was an enlarged four-seat version powered by a 240 hp (179 kW) Argus As 10C engine, the HM.7 was the last powered aircraft designed by the Institute.

[1] Data from Jane's Fighting Aircraft of World War II[2]General characteristics Performance