The Yokosuka K5Y was a two-seat unequal-span biplane trainer that served in the Imperial Japanese Navy during World War II.
A K5Y of the Kamikaze Special Attack Corps 3rd Ryuko Squadron was credited with sinking the destroyer USS Callaghan on July 29, 1945, the last US warship lost to kamikaze attack during the war.
Variants
K5Y1
Two-seat intermediate trainer for the Imperial Japanese Navy.
K5Y2
Floatplane version, with Amakaze 11 engine.
K5Y3
Floatplane, with 384 kW (515 hp) Amakaze 21.
K5Y4
Projected land-based version with 358 kW (480 hp) Amakaze 21A. Never built.
K5Y5
Projected land-based version with 384 kW (515 hp) Amakaze 15. Never built.