that there is the Jun'yo, passenger liner converted aircraft carrier, going under a series of yawing tests to see how she does when she take on water, May 3, 1944, Seto Inland Sea. Photograph shows her tilting to the starboard 7.8 degrees. [edit: this was before she was torpedoed by American submarines Sea Devil and Red Fish, December that year. She called port at Sasebo for repairs after the attack.]
Source: ISBN4-7689-0454-7 C0372 Warship of Japan Volume 4 Aircraft Carriers II, 1989, Magazine Maru Editorial Department, Page 10.