1915
- 6 March
- First fatal accident involving Japanese Naval aviators occurs when Yokosho Navy Type Mo Large Seaplane (Maurice Farman 1914 Seaplane), serial number 15, crashed at sea with Sub-Lieuts. Tozaburo Adachi and Takao Takerube, and W/O 3/c Hisanojo Yanase on board, all KWF.
- 1 May
- Air Mechanic William Thomas James McCudden of the Royal Flying Corps the elder brother of James McCudden VC died when his Bleriot had engine trouble and crashed on 1 May 1915 at Fort Grange, Gosport.
- 8 May
- Lieutenant (jg) Melvin L. Stolz, student aviator, is killed in a crash of the AH-9 hydroaeroplane at Pensacola, Florida.
- 12 September
- A Royal Naval Air Service Short S.38, 65, and a Caudron G.III, 3282, collide at Eastchurch, both pilots killed.
- 17 November
- Imperial German Navy Zeppelin LZ52, L 18, destroyed in shed fire at Tondern during refilling.
Read more about this topic: List Of Accidents And Incidents Involving Military Aircraft Before 1925