| Unit Name: | 11th Air Fleet |
| Dates: | 1941-1945 |
| Type: | Combined Arms |
| Command Structure: | Southeast Area Fleet |
The was a grouping of naval aviation and surface units.
| Date | Higher unit | Lower units | ||
|---|---|---|---|---|
| 15 January 1941 (original) | Combined Fleet | 21st Air Flotilla, 22nd Air Flotilla, 24th Air Flotilla | ||
| 10 December 1941 | Combined Fleet | 21st Air Flotilla, 22nd Air Flotilla, 23rd Air Flotilla, DesDiv. 34 (Destroyer Akikaze, Hakaze, Tachikaze), Auxiliary aircraft transport Keiyō Maru, Lyons Maru, Kamogawa Maru, Amagisan Maru, Nikkoku Maru, Tatsugami Maru, Hinō Maru No. 5, Nana Maru 1st Yokosuka SNLF, 2nd Yokosuka SNLF | ||
| 14 July 1942 | Combined Fleet | 22nd Air Flotilla, 24th Air Flotilla, 25th Air Flotilla, 26th Air Flotilla, DesDiv. 34, Auxiliary aircraft transport Lyons Maru, Keiyō Maru, Nagoya Maru | ||
| 24 December 1942 | 22nd Air Flotilla, 24th Air Flotilla, 25th Air Flotilla, 26th Air Flotilla, Atsugi NAG, Toyohashi NAG, 802nd NAG, Seaplane tender Akitsushima, Destroyer Akikaze, Tachikaze Auxiliary aircraft transport Lyons Maru, Keiyō Maru, Nagoya Maru, Goshū Maru, Mogamigawa Maru, Fujikawa Maru | |||
| 1 January 1944 | Southeast Area Fleet | 25th Air Flotilla, 26th Air Flotilla, 151st NAG, Seaplane tender Akitsushima, Destroyer Akikaze, Tachikaze | ||
| 15 August 1944 | Southeast Area Fleet | 958th NAG, 105th Air Base Unit | ||
| 6 September 1945 | Surrendered to Australia at Rabaul. | |||
| Rank | Name | Date | Note, additional post | |
| 1 | Vice-Admiral | 15 January 1941 | ||
| 2 | Vice-Admiral | Nishizō Tsukahara[1] | 10 September 1941 | |
| 3 | Vice-Admiral | 1 October 1942 | ||
| 24 December 1942 | Commander of the Southeast Area Fleet | |||
| Rank | Name | Date | Note, additional post | |
| 1 | Rear-Admiral | 15 January 1941 | ||
| 2 | Rear-Admiral | 10 February 1942 | ||
| 3 | Rear-Admiral Vice-Admiral | 24 December 1942 1 November 1943 | Chief of staff of the Southeast Area Fleet | |
| 4 | Rear-Admiral | Ryūnosuke Kusaka | 29 November 1943 | Chief of staff of the Southeast Area Fleet |
| 5 | Rear-Admiral | 6 April 1944 | Chief of staff of the Southeast Area Fleet | |
| 6 | Vice-Admiral | 7 November 1944 | Chief of staff of the Southeast Area Fleet Commander of the 8th Base Force | |
| 1 December 1944 | Chief of staff of the Southeast Area Fleet | |||