На второй ДИС-200 установили радиальные двигатели АШ-82, добавив к обозначению самолета индекс ИТ.
Designed by Artem Mikoyan and Mikhail Gurevich, the DIS single-seat fighter was designed primarily for the escort role. The definitive version with ASh-82 radials is illustrated.

Designed by Artem Mikoyan and Mikhail Gurevich, the DIS single-seat fighter was designed primarily for the escort role. The initial version with AM-37 engines is illustrated by the general arrangement drawing, and the definitive version with ASh-82 radials is illustrated by the lower sideview.

1929 год - 12739 м. 26 мая 1929 года У. Нейнхофен на Ju 49 (на W 34 !!!) впервые превысил высоту 12 497 м, став первым немецким летчиком, установившим мировой рекорд.
The Junkers Ju 49ba high-altitude research aircraft is seen in its original form with vertical exhaust stack.

The general arrangement drawing illustrates the definitive exhaust arrangement.

The l.Ae.27 Pulqui designed by Emile Dewoitine proved to possess a disappointing performance, and development was abandoned in favour of the more advanced I.Ae.33 Pulqui II.

Five examples of the Ryan Model ST-4, or YPT-25 were built but the shortages of strategic materials that this trainer was designed to overcome did not materialise, and series production way not therefore undertaken.