Japan Coast Guard conducts exercise with Indonesia near Singapore.

According to a tweet published by Collin Koh on February 3, 2022, the Japan Coast Guard Tsugaru-class patrol vessel Echigo conducted an exercise with the Indonesian Maritime Security Agency KN Dana in the Singapore Strait.
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Indonesian KN Dana and Japanese Tsugaru-class patrol vessel Echigo (Picture source: Twitter account of JCG Koho)

The Tsugaru-class patrol vessel is a class of PLH type patrol vessels of the Japan Coast Guard.

These ships are not only helicopter platforms but also command ships, so an operations room, the OIC section, is installed adjacent to the bridge. The ability of Command and control is improved sequentially.

The class has a length of 105.4 m, a beam of 14.6 m, and a draught of 8 m. They have a full displacement of 4,037 tonnes and can reach a top speed of 23 knots (43km/h; 26 mph).

The Tsugaru-class patrol vessels are armed with one L/90 Oerlikon 35 mm gun and one JM61-M 20 mm rotary cannon.

The Indonesian Maritime Security Agency (Bakamla) is a maritime patrol and rescue agency of the Republic of Indonesia. Bakamla's duty is to conduct security and safety patrols in the territorial waters of Indonesia and the jurisdiction of Indonesia.