· Ki-51 "Sonia", National Revolutionary Army Air Force, Mainland China, Shandong, 1946
· Ki-51 "Sonia", National Revolutionary Army Air Force, Mainland China, 1946
· Ki-51 "Sonia", China Roundel People's Liberation Army Air Force, Mainland China, 1946
· Ki-51 "Sonia", Manchoukuo Air Force in Manchuria, 1945
· Ki-51 "Sonia", French air force, liaison squadron EL-99, early 1946
· Ki-51 "Sonia", French air force, liaison squadron EL-99, French Indochina, 1946-1949