11th Air Fleet (Imperial Japanese Navy)

Military unit

The 11th Air Fleet (第十一航空艦隊, Dai-Jūichi Kōkū Kantai) was a grouping of naval aviation and surface units.

Assignments and Components

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	Southeast Area Fleet	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	Eikichi Katagiri	15 January 1941
2	Vice-Admiral	Nishizō Tsukahara^[1]	10 September 1941
3	Vice-Admiral	Jin'ichi Kusaka	1 October 1942
3	Vice-Admiral	Jin'ichi Kusaka	24 December 1942	Commander of the Southeast Area Fleet

	Rank	Name	Date	Note, additional post
1	Rear-Admiral	Takijirō Ōnishi	15 January 1941
2	Rear-Admiral	Munetaka Sakamaki	10 February 1942
3	Rear-Admiral Vice-Admiral	Yoshimasa Nakahara	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	Sadatoshi Tomioka	6 April 1944	Chief of staff of the Southeast Area Fleet
6	Vice-Admiral	Naosaburō Irifune	7 November 1944	Chief of staff of the Southeast Area Fleet Commander of the 8th Base Force
6	Vice-Admiral	Naosaburō Irifune	1 December 1944	Chief of staff of the Southeast Area Fleet

^ L, Klemen (1999–2000). "Vice-Admiral Nishio Tsukahara". Forgotten Campaign: The Dutch East Indies Campaign 1941-1942.

L, Klemen (2000). "Forgotten Campaign: The Dutch East Indies Campaign 1941–1942".

Air Flotilla

Combined Air Group

Naval Air Group
(Numbered name)

Naval Air Group
(Place name)

Expeditionary unit	Chitose Genzan (I) Kanoya (I) Kisarazu Mihoro Misawa (I) Takao (I) Tainan (I) Tōkō Yokohama
Patrol / Defensive unit	Chichijima Chinkai Kure Kushimoto Maizuru Okinawa Ōminato Saeki Sasebo Tateyama Toyohashi (I) Yokosuka
Practice unit	Atsugi Genzan (II) Hakata Kaikō Kanoya (II) Komatsushima Kōnoike Matsushima Miyazaki Nagoya Ōi Ōita Ōmura San'a Seitō Shanhai Shinchiku Sukumo Suzuka Tainan (II) Takao (II) Tokushima Toyohashi (II) Tsuiki (I) Tsukuba Usa Yatabe
Basic training unit	Amakusa Fukuyama Himeji Hyakurihara Isahaya Iwakuni (I) Izumi 1st Izumi Jinmachi Kan'onji Kashima Kitaura Kobi Kōchi Kokubu 2nd Kōriyama Kōshū 2nd Kōwa 2nd Miho Mineyama 3rd Okazaki Ōryū Ōtsu Pusan Saijō 2nd Takao Takuma Tōkyō Tsuiki (II) Yamato
Mechanic training unit	Fujisawa Hitoyoshi 2nd Izumi 2nd Kanoya Katori Kōriyama 1st Kōriyama Kōwa 1st Kōwa Kushira Oihama Okazaki 1st Okazaki 2nd Okazaki Sagamino 1st Sagamino 2nd Sagamino Sunosaki 2nd Tainan Tarumi Taura
Preparatory flight training unit	Fukuoka Iwakuni (II) Kagoshima Kasumigaura Kofuji Komatsu Kōyasan Kurashiki Matsuyama Mie Miho 1st Miho Misawa (II) Nara Nishinomiya Seto Shiga Shimizu Takarazuka Tsuchiura Urado Uwajima

Naval Air Group
(Regional name)

Flying squadron