German frigate Bayern visits Japan for first time in 20 years

According to a tweet published by the Japan Maritime Self-Defense Force on November 5, 2021, the German Brandenburg-class frigate Bayern made its first port call in Japan in twenty years.
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Russian Vyborg Shipyard laid the Purga ice class coastguard ship of project 23550 925 001 Brandenburg-class frigate Bayern (Picture source: Twitter account of JMSDF)

Bayern is an F123 Brandenburg-class frigate of the German Navy. They were ordered by the German Navy in June 1989, and then completed and commissioned between 1994 and 1996 to replace the Hamburg-class destroyers.

The frigates are 138.85 meters (455.5 ft) long, have a maximum draught of 6.3 meters (21 ft) and a beam of 16.7 meters (55 ft). A CODOG propulsion system is used, combining two MTU diesel engines and two General Electric LM2500 gas turbines for a total installed power of 38 MW. The ship achieves a maximum speed of more than 29 knots (54 km/h; 33 mph).

They have a displacement of 4,700 tonnes. Their sensors include a Thales LW08 D-Band air search radar, a Thales SMART-S F-Band surface radar, a Thales STIR-180 fire-control radar, two Raytheon Redpath I-Band navigation radars, a low-frequency active sonar system (LFASS) towed array, and a mounted sonar by STN Atlas.

The primary anti-submarine weapons are Mark 46 torpedoes carried by the Sea Lynx helicopters stationed on board the frigates. The torpedoes can also be launched from two twin launchers located behind the ship's funnels.