. . "1"^^ . "The Gribovsky G-25 (Russian: \u0413\u0440\u0438\u0431\u043E\u0432\u0441\u043A\u0438\u0439 \u0413-25) was a Russian tandem seat biplane basic trainer built in the late 1930s. It was hoped to minimize unit costs by using a modified automobile engine but the G-25 did not reach production."@en .