The Year of '17

The years aircraft: The Fairy III

June 6 – The world's first landplane designed for use as a torpedo bomber, a Sopwith Cuckoo, is completed for the Royal Naval Air Service.

October 1 The Royal Navy tests an aircraft catapult for the first time, using a compressed-air catapult aboard the catapult trials ship Slinger to launch an unmanned Short 184 with its fuselage fabric removed and engine replaced by ballast.