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Home» News»MHI Launches ‘Jingei’「じんげい」– 3rd Taigei-class Submarine for the JMSDF
IMDEX Asia 2023
Jingei submarine
Launch ceremony of Jingei. MHI picture.

MHI Launches ‘Jingei’「じんげい」– 3rd Taigei-class Submarine for the JMSDF

Japan's newest submarine “Jingei” (515) was launched today at the Mitsubishi Heavy Industries (MHI) shipyard in Kobe. It is the third boat of the new Taigei-class, the latest class of advanced diesel electric submarines (SSK) for the Japan Maritime Self-Defense Force (JMSDF).

Xavier Vavasseur 12 Oct 2022

Jingei means “fast swimming whale” in Japanese and was once used as the name of a submarine tender of the Imperial Japanese Navy. Taigei-class submarines are named after whales or large fishes.

The first submarine of the class, Taigei (meaning “Great Whale”) was launched by MHI in October 2020 and commissioned with the JMSDF in March 2022. Kawasaki Heavy Industries (KHI) launched the second one, Hakugei, in October 2021. Jingei is set to be delivered to the JMSDF in 2023.

About Taigei-class submarines

Jingei submarine
Launch ceremony of Jingei. MHI picture.

The external appearance of the Taigei is not much different from the Sōryū-class, but inside of it is a completely different submarine. First, the Taigei uses lithium-ion batteries instead of the 4V-275R Mk. III AIP system, which was installed aboard the first 10 Sōryū-class submarines.

Secondly, the capabilities of the sonar and combat command system have been improved, as well as the use of new acoustic absorbent materials and a floating floor structure to make it quieter. It is also equipped with Torpedo Counter Measures (TCM), which eject decoys to evade enemy torpedoes for improved survivability.

The first-in-class Taigei will be used as a test submarine, according to the “National Defense Program Guidelines for FY 2019 and beyond” published in December 2018. In other words, Taigei will be the dedicated ship to conduct all future tests of technology related to JMSDF submarines.

Basic Specifications of Taigei

Standard Displacement: about 3000 tons

Length: 84 meters

Total width: 9.1 meters

Crew: about 70

Propulsion: Diesel Electric Propulsion (with lithium-ion batteries)

Japan Submarine Taigei-class 2022-10-12
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SAS 2023

Authors

Posted by : Xavier Vavasseur
Xavier is based in Paris, France. He holds a Bachelor’s degree in Management Information Systems and a Master of Business Administration from Florida Institute of Technology (FIT). Xavier has been covering naval defense topics for nearly a decade.

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