4th Naval Armaments Supplement Programme

The 4th Naval Armaments Supplement Program (マル4計画, 第四次海軍軍備充実計画, Maru 4 Keikaku, Dai-Yo-Ji Kaigun Gunbi Jūjitsu Keikaku) was one of the armaments expansion plan of the Imperial Japanese Navy (IJN).

Background

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In 1939, the IJN started new naval armaments expansion plan. It extended to 80 warships and 75 Naval Air Groups by 1.6 billion JPY.

Table of vessels

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Category Class Vessel number(s) Completed Converted Cancelled
Training cruiser Katori #101 Kashii (#101)
Minelayer Hatsutaka #102 Wakataka (#102)
Combat support ship Sunosaki #103 Sunosaki (#103)
Destroyer Type-B Akizuki #104–109 Akizuki (#104), Teruzuki (#105), Suzutsuki (#106), Hatsuzuki (#107), Niizuki (#108), Wakatsuki (#109)
Battleship Yamato #110–111 #110 was converted to aircraft carrier #111
Aircraft carrier Shinano Shinano (#110)
Destroyer Type-A Kagerō #112–114 Arashi (#112), Hagikaze (#113), Maikaze (#114), Akigumo (#115) #115 was converted from the Yūgumo class
Yūgumo #115–129 Yūgumo (#116), Makigumo (#117), Kazagumo (#118), Naganami (#119), Makinami (#120), Takanami (#121), Ōnami (#122), Kiyonami (#123), Tamanami (#124), Suzunami (#126), Fujinami (#127) #115 was converted to the Kagerō class
#125 was converted to the Shimakaze class
#128 and #129 were dummy of naval budget of the Yamato-class battleships
Destroyer Type-C Shimakaze Shimakaze (#125)
Aircraft carrier Taihō #130 Taihō (#130)
Seaplane tender Akitsushima #131 Akitsushima (#131)
Light cruiser Type-B Agano #132–135 Agano (#132), Noshiro (#133), Yahagi (#134), Sakawa (#135)
Light cruiser Type-C Ōyodo #136–137 Ōyodo (#136) #137
Cruiser submarine Type-A I-9 #138 I-11 (#138)
Cruiser submarine Type-B I-15 #139–153 I-26 (#139) to I-39 (#152) #153 was dummy of naval budget of the Yamato-class battleships
Large sized submarine I-176 #154–163 I-176 (#154) to I-185 (#163)
Minesweeper No.19 #164–169 No.19 (#164) to No.24 (#169)
Minelayer Sokuten #170–179 Hirashima (#170), Hōko (#171), Ishizaki (#172), Takashima (#173), Saishū (#174), Niizaki (#175), Yurijima (#176), Nuwajima (#177), Maeshima (#178) #179
Subchaser No.13 #180–183 No.13 (#180) to No.16 (#183)
Cable layer Hashima [1] Hashima, Tsurushima, Ōdate, Tateishi
Food supply ship No.4006 [1] No.4006 (later renamed Kinesaki)
No.4007 [1] No.4007 (later renamed Nosaki)

Notes

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  1. ^ a b c They do not have a vessel number(s), because they were demanded as support vessels.

References

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  • Senshi Sōsho Vol.31, Naval armaments and war preparation (1), "Until November 1941", Asagumo Simbun (Japan), November 1969

See also

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