In August 1919, China successfully tested the first water aircraft - "A Type One". It was a 100 horsepower, twisted double-winged water training machine, 3.88 meters high, 9.32 meters long, 13.70 meters long, 126 kilometers per hour, aircraft weight 836 kilograms, loaded 1063 kilograms, fuel weight 114 liters, flying height 3690 meters, flying 3 hours, flying from 340 kilometers, riding 2 people, carrying bombs 4 meters. The aircraft performance, quality is not comparable to the travel aircraft built here by algae and other people in the United States, power, sound and wave factory. In spring 1918, with the Beijing Navy's training aircraft in the Fukushima Navy began to manufacture the first aircraft engineering in China, a submarine