The Yokosuka E1Y was a Japanese floatplane of the 1920s.
A single-engine biplane that was designed and developed by the Yokosuka Naval Air Technical Arsenal as a reconnaissance aircraft for the Imperial Japanese Navy, 320 were built as the Type 14 Reconnaissance Seaplane, entering service in 1925 and remained in operational service until 1932.
Navy Type 10 Reconnaissance Seaplane
Prototype reconnaissance seaplane, powered by 400 hp (298 kW) Lorraine-Dietrich 1 V-12 engine but overweight, Two built.
Navy Type 10 Model A Reconnaissance Seaplane
Revised prototype, one built.
Navy Type 10 Model B Reconnaissance Seaplane
Further modified prototype and pre-production aircraft.
Navy Type 14-1 Reconnaissance Seaplane (E1Y1)
Initial production version, powered by 400 hp (298 kW) Lorraine-Dietrich 1.
Navy Type 14-2 Reconnaissance Seaplane (E1Y2)
Modified version, with new all metal floats and 450 hp (336 kW) Lorraine-Dietrich 2 W-engine.
Navy Experimental Type 14-2 Kai-1 Reconnaissance Seaplane
An experimental version of the Type 14-2
Navy Type 14-3 Reconnaissance Seaplane (E1Y3)
Further improved version with new tail and improved performance.