Soviet destroyer Vnezapny (1951)

A Skory-class destroyer of Indonesian Navy c. 1960s
History
Soviet Union
Name	Vnezapny (Внезапный)
Namesake	Unexpected in Russian
Builder	Amur Shipbuilding Plant
Laid down	23 September 1950
Launched	14 June 1951
Commissioned	28 December 1951
Decommissioned	17 February 1959
Indonesia
Name	Sarwadjala
Namesake	Sarwadjala Kisah Sawunggaling
Commissioned	1959
Decommissioned	1971
Renamed	Sawunggaling
Identification	Pennant number: 204
General characteristics
Class and type	Skory-class destroyer
Displacement	2,316 long tons (2,353 t) standard 3,066 long tons (3,115 t) full load
Length	120.5 m (395 ft 4 in)
Beam	12 m (39 ft 4 in)
Draught	3.9 m (12 ft 10 in)
Propulsion	3 × boilers 60,000 shp (44,742 kW) 2 × shafts
Speed	36.5 knots (67.6 km/h; 42.0 mph)
Range	4,080 nautical miles (7,556 km; 4,695 mi) at 16 kn (30 km/h; 18 mph)
Complement	286
Sensors and processing systems	Radars: Gyus-1 Ryf-1 Redan-2 Vympel-2 Sonar: Tamir-5h
Armament	as built: 2 × dual 130 mm (5.1 in) guns 1 × dual 85 mm (3.3 in) guns 7 × single 37 mm (1.5 in) guns 2 × quin 533 mm (21 in) torpedo tubes 60 × mines 52 × depth charges as modernized: 2 × dual 130 mm (5.1 in) guns 2 × quin RBU 2500 anti-submarine rockets 1 × dual 85 mm (3.3 in) guns 7 × single 57 mm guns 1 × quin 533 mm (21 in) torpedo tubes 60 × mines or 52 × depth charges

Vnezapny was a Skory-class destroyer of the Soviet Navy which later transferred to the Indonesian Navy and renamed RI Sarwadjala (204).^[1]

The development of the first post-war destroyer project based on the previous project 30 was entrusted to the TsKB-17 team. The composition of the armament was finally specified on November 28, 1945. The technical design materials and working drawings were developed under the leadership of the chief designer A. L. Fisher (deputies G. D. Agul, K. A. Maslennikov) in the new, recreated, TsKB-53. The technical design was approved by the Decree of the Council of Ministers of the USSR No. 149-95 of January 28, 1947.^[2]

The lead ship of this project was accepted into the USSR Navy on December 21, 1949, on the occasion of J.V. Stalin's birthday. Engineer-Lieutenant Colonel A.T.^[2]

The ship was built at Amur Shipbuilding Plant in Komsomolsk-on-Amur and was launched on 23 September 1950 and commissioned into the Pacific Fleet on 14 June 1951.^[3]

She was decommissioned on 17 February 1959 and sold to the Indonesian Navy. She was renamed RI Sarwadjala (204).^[4] In November 1959, she was again renamed to Sawunggaling.

She was again retired from service in 1971.