- Submarines: I-7 - I-11, I-15 - I-35
Pearl Harbor Reconnaissance
On December 17, 1941, the submarine I-7, launched an E14Y1 to survey the damage at Pearl Harbor.
E14Y1s were also used in reconnaissance missions over Africa, the Aleutians, Australia, Madagascar, and New Zealand.
Bombed United States
In 1942 a E14Y1 was launched by the I-25, submarine, and it dropped four phosphorus bombs in a forest. The pilot was Warrant Officer Fujita. He dropped four phosphorus bombs in a forest on the Oregon coast in the hopes of starting large fires.