The Modified Tourist Speedboat was devised between 1940 and 1942, perfecting the models that began to appear from 1936. The theoretical use foresaw the arrival close to the enemy fleet; the pilot then had to launch it at maximum speed in the collision course with the target, letting himself fall into the water one hundred meters before the impact. Media of this kind were used successfully by the 10th MAS Fleet in operations against the British navy at Suda (Crete) and in Malta.