On November 28, 1944, a part of the 15th group of the Ko-type of the preparatory pilot training course was transferred to Urado Naval Air Corps, Nishinomiya Naval Air Corps, and Takarazuka Naval Air Corps.
昭和19年11月28日　甲飛第15期の一部、浦戸海軍航空隊・西宮海軍航空隊・宝塚海軍航空隊へ転出。