This article handles air-to-surface special attack units by Action Order only. Therefore, this article does not handle air-to-air suicide attack groups like the Shinten Air Superiority Group (震天制空隊 Shinten Seikūtai) (.ja), suicide boat group the Army Maritime Assault Squadron (陸軍海上挺進戦隊 Rikugun Kaijō Teishin Sentai) (.ja) and other voluntary special/suicide attacks.
Air unit names in this article.Japanese military unit names have various translations on en.Wikipedia. This article uses the following side-by-side translations to avoid confusion.
Hakkō Unit
Original unit; Akeno Instructing Flying Division
27 November 1944
11× Ki-43 III; U.S. convoy in Leyte Gulf. 7 December 1944 1× Ki-43 III; U.S. convoy in Ormoc Bay. 12 December 1944 1× Ki-43 III; U.S. convoy off Baybay.
Original unit; Hitachi Instructing Flying Division
5 December 1944
3× Ki-43 III; U.S. ship in Surigao Strait. 7 December 1944 2× Ki-43 III; U.S. convoy in Ormoc Bay. 13 December 1944 1× Ki-43 III; U.S. ship off Mindanao.
Original unit; 51st Educational Flying Division
24 November 1944
3× Ki-43 III; U.S. ship off Manicani. 26 November 1944 2× Ki-43 III; U.S. ship in Leyte Gulf. 29 November 1944 6× Ki-43 III; U.S. ship in Leyte Gulf. 7 December 1944 1× Ki-43 III; U.S. ship in Ormoc Bay.
Original unit; 10th Flying Division
7 December 1944
7× Ki-43 III; U.S. ship in Ormoc Bay. 10 January 1945 1× Ki-43 III; U.S. ship in Lingayen Gulf.
Original unit; Hokota Instructing Flying Division
5 December 1944
3× Ki-51; U.S. ship off Suluan Island. 16 December 1944 2× Ki-51; U.S. ship off Mindoro. 18 December 1944 1× Ki-51; U.S. ship off Mindoro. 29 December 1944 3× Ki-51; U.S. ship off Mindoro. 6 January 1945 2× Ki-51; U.S. ship West of Luzon.
Original unit; Shimoshizu Instructing Flying Division
5 December 1944
7× Ki-51; U.S. ship in Surigao Strait. 8 December 1944 1× Ki-51; U.S. ship in Ormoc Bay. 12 December 1944 1× Ki-51; U.S. convoy off Baybay. 22 December 1944 1× Ki-51; U.S. ship off San Jose. 5 January 1945 3× Ki-51; U.S. carrier task force West of Luzon. 6 January 1945 1× Ki-51; U.S. ship off San Fernando. 8 January 1945 3× Ki-51; U.S. ship in Lingayen Gulf.
Original unit; Akeno Instructing Flying Division
10 December 1944
6× Ki-43 III; U.S. ship in Surigao Strait. 12 December 1944 1× Ki-43 III; U.S. convoy off Baybay. 17 December 1944 2× Ki-43 III; U.S. ship off Mindoro.
Original unit; Hokota Instructing Flying Division
7 December 1944
9× Ki-45 Kai c; U.S. ship in Ormoc Bay. 10 December 1944 3× Ki-45 Kai c; U.S. ship in Leyte Gulf.
Original unit; Akeno Instructing Flying Division
22 December 1944
1× Ki-43 III; U.S. ship off Mindoro. 4 January 1945 2× Ki-43 III; U.S. ship in Sulu Sea. 5 January 1945 3× Ki-43 III; U.S. carrier task force West of Luzon. 8 January 1945 3× Ki-43 III; U.S. carrier task force West of Luzon. 9 January 1945 2× Ki-43 III; U.S. ship in Leyte Gulf.
Original unit; Hitachi Instructing Flying Division
21 December 1944
5× Ki-43 III; U.S. ship off Mindoro. 22 December 1944 2× Ki-43 III; U.S. ship West of Panay. 29 December 1944 1× Ki-43 III; U.S. ship off Mindoro. 7 January 1945 1× Ki-43 III; U.S. ship in Lingayen Gulf.
Original unit; Hokota Instructing Flying Division
6 January 1945
1× Ki-45 Kai c; U.S. ship in Lingayen Gulf. 8 January 1945 4× Ki-45 Kai c; U.S. ship in Lingayen Gulf. 10 January 1945 1× Ki-45 Kai c; U.S. ship in Lingayen Gulf.
Original unit; Shimoshizu Instructing Flying Division
30 December 1944
5× Ki-51; U.S. convoy off San Jose. 4 January 1945 1× Ki-51; U.S. ship West of Luzon. 5 January 1945 1× Ki-51; U.S. ship West of Luzon. 8 January 1945 2× Ki-51; U.S. ship West of Luzon.
Shinbu Unit
Original unit; 100th Flying Brigade, 101st Flying Regiment, 102nd Flying Regiment 6 April 1945 8× Ki-84 I; Allied ship West of Okinawa Island. 12 April 1945 2× Ki-84 I; Allied ship West of Okinawa Island.
Original unit; 4th Flying Division, Navy 3rd Air Fleet
7 April 1945
1× Ki-46 III, 1× D4Y2;Allied ship off Kadena. 12 April 1945 1× Ki-46 III; Allied ship West of Okinawa Island. 14 May 1945 2× Ki-46 III; Allied ship West of Okinawa Island.
Original unit; Utsunomiya Instructing Flying Division
30 March 1945
1× Ki-21; Allied ship off Okinawa Island.
Original unit; 10th Flying Division
12× Ki-43 III; No-sorties, renamed Shinbu Unit No. 18 on 29 January 1945.
Original unit; 10th Flying Division
12× Ki-43 III; No-sorties, renamed Shinbu Unit No. 19 on 29 January 1945.