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Home» News»Japan’s MHI Launches ‘Yahagi’ 「やはぎ」Fifth FFM Mogami-Class Frigate For JMSDF
IMDEX Asia 2023
FFM 5
Yahagi 「やはぎ」is the 5th FFM for the JMSDF.

Japan’s MHI Launches ‘Yahagi’ 「やはぎ」Fifth FFM Mogami-Class Frigate For JMSDF

Japanese shipbuilder Mitsubishi Heavy Industries (MHI) in Nagasaki launched today "Yahagi", the fifth Mogami-class vessel. Also known as FFM, it is a next generation frigate for the Japan Maritime Self-Defense Force (JMSDF).

Xavier Vavasseur 23 Jun 2022

The first ship-in-class, Mogami, was launched in March 2021 by MHI (Naval News was on site to cover the event) and commissioned with the JMSDF in April this year. Another shipyard, Mitsui E & S Shipbuilding located in Okayama launched the second ship of the class, Kumano, back in November 2020. The third vessel in the series, Noshiro, was launched by MHI in June 2021 while the fourth FFM, Mikuma, was launched by the same shipyard in December 2021.

The vessel is named after the Yahagi River (矢作川, Yahagi-gawa) which flows through Nagano, Gifu and Aichi prefectures. All ships of the class are named after famous rivers in Japan. The shipyard will now proceed to the fitting out stage of the frigate, ahead of its delivery and commissioning set for the end of 2023.

23 JUN, the naming and launching ceremony was held at Nagasaki Works, MHI.
The newest FFM was named #YAHAGI , the 5th MOGAMI class.
Her name comes from "Yahagi River" flows through Nagano, Gifu, and Aichi prefecture.#debut #launch #newest #FFM pic.twitter.com/hsbBiYi21H

— Japan Maritime Self-Defense Force (@jmsdf_pao_eng) June 23, 2022

The FFM (also known as 30FFM and previously known as 30DX) is the next generation multi-mission frigate designed for the JMSDF. A total number of 22 Frigates are expected to be procured for the JMSDF.

The two shipyards in charge of building the first two frigates of the class are Mitsubishi Heavy Industries (MHI) in Nagasaki and Mitsui E&S in Okayama.

Mogami-class FFM characteristics

Japan Commissions First-in-Class FFM Frigate ‘Mogami ’ 「もがみ」
First-in-Class FFM Frigate ‘Mogami ’ 「もがみ」. Picture by めたろじ @MetaLogic_3DCG

According to MHI, the FFM multi-mission frigate has a full load displacement of about 5,500 tons, with a length of 132.5 meters and a beam of 16.3 meters. It has a maximum speed in excess of 30 knots. The crew complement is quite low, at about 90 sailors, indicating a high level of automation on board.

The FFM will be equipped with a wide variety of weapons and systems as listed below:

  • BAE Systems Mk.45 mod.4 5-inch naval gun system ×1
  • Japan Steel Works 12.7mm Remote Weapon System ×2
  • Mk.41 VLS
  • Raytheon SeaRAM ×1
  • MHI Type 17 anti-ship missiles ×8
  • Mitsubishi Electric OPY-2 multifunction Radar
  • Mitsubishi Electric OAX-3EO/IR sensors
  • Hitachi OQQ-11 anti-mine sonar
  • NEC OQQ-25 anti-submarine sonar (VDS/TASS)
  • UUV (OZZ-5 by MHI) and USV (unknown type) for mine counter measures
  • Sea mines for offensive mine warfare

Funding for the installation of Mk. 41 VLS

Initially, the Mogami-class was only “fitted for but not with” (FFBNW) Mk. 41 vertical launch system (VLS). This changed at the end of 2021: According to our Japan-based contributor, Yoshihiro Inaba, In late November, the Japanese Ministry of Defense announced the supplementary budget for FY2021, which included a budget for two VLSs sets for FFM ships. Two FFM frigates will get 16 cells each (allowing for a total of 32 quad-parcked ESSM each). The total supplementary budget is about $6.8 billion, of which about $74 million is for the purchase of the VLS shipsets. Originally, the FFM 9 and 10 specified in the defense budget request for FY2022 included a budget for VLS. Therefore the VLS specified in this supplemental budget is for installation on any of the FFM ships 1 through 8.

30FFM JMSDF Mogami-class 2022-06-23
Tags 30FFM JMSDF Mogami-class
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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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