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Home» News»Japan’s Mitsui E&S Launches ‘Kumano’ 「くまの」 New 30FFM Frigate for JMSDF
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Japan's Mitsui E&S Launches 'Kumano' 「くまの」 New 30FFM Frigate for JMSDF
Launch ceremony of 'Kumano' 「くまの」 the new 30FFM frigate for the JMSDF. Mitsui E&S picture.

Japan’s Mitsui E&S Launches ‘Kumano’ 「くまの」 New 30FFM Frigate for JMSDF

Japanese shipyard Mitsui E & S Shipbuilding Co., Ltd in Okayama launched today a new type of next generation frigate for the Japan Maritime Self-Defense Force (JMSDF) known as 30FFM.

Xavier Vavasseur 19 Nov 2020

Yoshihiro Inaba contributed to this story

“Kumano” くまの」is actually the second vessel of the series. The first-in-class ship is still under construction at Mitsubishi Heavy Industries (MHI) in Nagasaki.

Mitsui E&S has received a subcontracting order from MHI for the construction of the 3,900-ton frigate for the JMSDF. It is the company’s 2050th ship.

The vessel is named after the Kumano river in the Kii Peninsula of central Japan, located in Nara, Wakayama and Mie Prefectures. The shipyard will now proceed to the fitting out stage of the frigate, ahead of its delivery set for 2021.

Photos from shipspotters:

30FFM 2番艦 護衛艦「くまの」
(JS KUMANO FFM2) pic.twitter.com/8AUUi1Kdz3

— フランカー (@kh840124) November 19, 2020

現在の三井E&S造船株式会社
玉野艦船工場

30FFM進水

新型護衛艦2番艦
艦名『くまの』 pic.twitter.com/9EMnLyvUIS

— Hirotoshi (@MR2AW11SP) November 19, 2020

30FFM Project Timeline

30FFM Artist impression. 30FFM will be fitted with 8x anti-ship missiles, a SeaRAM and an helicopter deck + hangar to accommodate an SH-60J helicopter.

MHI won a contract from the Japanese MoD in August 2018 for the production of the first two frigates and MHI is today working on the detailed design of the frigate as well as production design stage. Mitsui E&S also decided to build 30FFMs as a subcontractor to MHI.

First steel cutting of the first 30FFM took place in September 2019 at MHI Nagasaki shipyard, and second one in October 2019 at Mitsui E&S Tamano shipyard. Atsui Yoshioka, Senior Project Manager of the Next Generation Surface Ship Project at MHI previously told Naval News in January 2020 (before the COVID-19 crisis) that the launch of the first hull was set for November this year while delivery of the first frigate to the JMSDF was set for March 2022. It seems like these dates have move by a couple of months (as is the case with most shipbuilding projects around the world) because of the pandemic.

In addition, this ship design is the first major surface combatant that Japan (via MHI) is actively promoting for export. OPV and Destroyer variants based on 30FFM were unveiled during PACIFIC 2019 last year in Australia. There have been recent rumors about export of 30FFM to Indonesia.

30FFM Missions

Artist impression: 30FFM evading the radar from a J-20 Mighty Dragon stealth fighter thanks to its reduced radar cross section features.

The 30 FFM will increase the current number of vessels in the JMSDF as well as replace older vessels that have been responsible for coastal defense and minesweeping. So it is designed for a very wide range of missions.

Patrol around Japan

The main mission of the 30 FFM in peacetime will be to patrol the waters around Japan. Currently, this is a mission of older destroyer (Abukuma, Hatsuyuki and Asagiri class), but the 30FFM will take over this mission by replacing these vessels.

Island Defense

As explained later, the 30FFM is equipped with Mk.45 mod.4 5-inch gun and is also given a minesweeping/mine-laying capability. Therefore, it can be inferred that the 30FFM is also useful for island defense.

The Mk.45 is ideal for attacking enemies that have landed on the island. Also, in order to land friendly troops, it is necessary to sweep the mines laid by the enemy.In addition, laying mines to deter enemy landings is also useful.

Overseas deployment

Currently, JMSDF continues to send destroyers to work with countries around the world to deter piracy off the coast of Somalia, Africa. However, this activity has become a huge burden for JMSDF, especially because of the North Korean situation and the increased duties of the JMSDF in the wake of China’s maritime expansion. Therefore, it is intended to send the 30 FFM to these international contributions overseas and to dedicate the destroyer to missions against China and North Korea.

30FFM weapons, sensors and unmanned systems

Sensor systems aboard the 30FFM

The 30FFM 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 (fitted for but not with)
  • 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

30FFM characteristics

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

Atsui Yoshioka, Senior Project Manager of the Next Generation Surface Ship Project at MHI previously told Naval News at Sea Air Space 2019 that the main requirements that drove the design of this future ship are:

  • Very low radar cross section
  • Very high speed
  • Reduced crew
  • Ability to launch and recover unmanned systems

To achieve such as high speed (over 30 knots), the frigate will be fitted with a CODAG propulsion system consisting in a single Rolls Royce MT-30 gaz turbine and two MAN 12V28/33D diesel engines. Early designs of the frigate showed a combination of waterjet and propellers but the newer scale model (unveiled at SAS 2018 and showcased at various trade shows ever since) doesn’t show the underside of the hull anymore.

To learn more about the 30FFM, check out our in depth feature at this link.

30FFM Japan JMSDF Mitsui Shipbuilding 2020-11-19
Tags 30FFM Japan JMSDF Mitsui Shipbuilding
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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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