KRI Teluk Sibolga (536) is a Frosch-class landing ship operated the Indonesian Navy. The ship was former Schwerin (632 / 612) of the Volksmarine.

Quick Facts History, East Germany ...

History
East Germany
Name	Schwerin
Namesake	Schwerin
Builder	VEB Peenewerft, Wolgast
Yard number	336
Laid down	17 March 1976
Launched	18 January 1977
Commissioned	19 October 1977
Decommissioned	2 October 1990
Stricken	1 October 1990
Identification	Pennant number: 632, 612
Fate	Sold to Indonesia 1993
Indonesia
Name	Teluk Sibolga
Namesake	Sibolga Bay
Acquired	25 August 1993
Commissioned	15 December 1993
Identification	Pennant number: 536
Status	Active
General characteristics
Class and type	Frosch-class landing ship
Displacement	1,950 long tons (1,980 t)
Length	98 m (321 ft 6 in)
Beam	11.1 m (36 ft 5 in)
Draught	2.8 m (9.2 ft)
Installed power	5,000 hp (3.7 MW)
Propulsion	2 x diesel engines 2 x shafts
Speed	18 knots (33 km/h; 21 mph)
Capacity	11 amphibious tanks or 400–600 tons cargo
Troops	1 company of marines
Complement	46
Sensors and processing systems	TSR-333 I-band navigation radar MR-302 Strut Curve F-band air/surface radar
Electronic warfare & decoys	2 x PK-16 chaff launchers
Armament	1 × single Bofors 40 mm L/60 gun 1 × twin V-11 37 mm L/63 guns 2 × twin 2M-3 25 mm guns

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KRI Teluk Sibolga is a Project 108 (NATO reporting name: Frosch I) regular medium landing ship.

Teluk Sibolga has a length of 98 m (322 ft), a beam of 11.1 m (36 ft), with a draught of 2.8 m (9.2 ft) and her displacement is 1,950 long tons (1,980 t) at full load. The ship is powered by two diesel engines, with total power output of 5,000 metric horsepower (3.7 MW) distributed in two shaft.^[1]

She has a speed of 18 knots (33 km/h) and complement of 46 personnel. The ship has cargo capacity of 600 long tons (610 t).^[1]

As Schwerin, she was initially armed with two АК-725 [ru] twin 57 mm guns, two AK-230 twin barrel 30 mm guns and equipped with Muff Cob fire control radar.^[2] She may have been equipped with two 40-tube 122 mm rocket launchers.^[2] As Teluk Sibolga, the ship are rearmed with one single Bofors 40 mm L/60 gun, one twin V-11 37 mm L/63 guns, and two twin 2М-3 25 mm autocannons.^[1]

Schwerin was built by VEB Peenewerft, Wolgast. The ship was laid down on 17 March 1976, launched on 18 January 1977 and was commissioned to Volksmarine on 19 October 1977.^[3] Following the reunification of Germany, Schwerin was deleted on 1 October 1990 and was formally decommissioned from Volksmarine on 2 October.^[3][4] The unified German Navy didn't take over the ship and she was laid up with her pennant number painted over at Peenemünde Naval Base, awaiting her disposal as scrap metal.^[5]

Indonesian Navy acquired the ship on 25 August 1993^[6] as part of warship procurement program headed by the then State Minister for Research and Technology, B. J. Habibie, as the Coordinator of the Procurement Team. The procurement program was based on the Presidential Instruction No. 3/1992 issued by President Suharto on 3 September 1992 which aimed to bolster the Navy capabilities.^[7][8] Prior to sailing for Indonesia, she was refitted and demilitarized in Germany. The ship arrived in Indonesia in late 1993 and she was commissioned as KRI Teluk Sibolga (536) on 15 December 1993.^[1]