Type 039 Song class Attack Submarine SSK China Navy PLAN

China - People's Liberation Army Navy
Type 039 Song class Attack Submarine - SSK

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02/22

Units:

Unit / Name Type 039	Name (Han)	Builder	Launched	Commissioned	STATUS
SS 320 PLANS ?			-	June 1999	ACTIVE
Unit / Name Type 039G	Name (Han)	Builder	Launched	Commissioned	STATUS
SS 321 PLANS ?			-	April 2001	ACTIVE
SS 322 PLANS ?			-	December 2001	ACTIVE
SS 323 PLANS ?			-	November 2003	ACTIVE
SS 314 PLANS ?			-	2004	ACTIVE
SS 315 PLANS ?			-	2004	ACTIVE
SS 316 PLANS ?			-	2005	ACTIVE
SS 324 PLANS ?			-	December 2003	ACTIVE
SS 325 PLANS ?			-	2004	ACTIVE
SS 326 PLANS ?			-	2005	ACTIVE
SS 327 PLANS ?			-	2006	ACTIVE
SS 328 PLANS ?			-	2006	ACTIVE
SS 329 PLANS ?			-	2006	ACTIVE

Specifications:

Builder:
China Shipbuilding Industry Corporation (CSIC), Wuhan, Hubei Province, China
Jiangnan Shipyard (Group) Co. Ltd., Shanghai, China

Displacement: 1700 tons (surfaced) / 2250 tons (submerged)
Length: 74.9 meters (245 feet 9 inches)
Beam: 8.4 m (27 ft 7 in)
Draft: 5.3 m (17 ft 4 in)
Speed: 22 knots (41 km/h)
Range: ?
Complement: 60

Propulsion:
Diesel
MTU 16V396 SE8 diesel engine
1 shaft / 1 propeller

Armament:
6 x 533mm torpedo tubes
for
YU-4 / YU-6 heavy-weight torpedoes
YJ-82 anti-ship missiles (SSM)

Systems:
-

The Type 039 submarine (NATO reporting name: Song-class)

... is a class of diesel-electric submarines of the People's Liberation Army Navy. The class is the first diesel-electric submarine to be fully developed within China and also the first Chinese diesel-electric submarine to use the modern teardrop hull shape.

Design:
The submarine uses a modern teardrop-shape hull for underwater performance. The hull incorporates four rudders and is propelled by a single propeller. The engine is imported from Germany. For quieter operation, the engine was mounted with shock absorbers and the hull is plated in rubber tiles for sound deadening. Development was not without problems, as a lengthy testing period for the first vessel (320) attests. Problems with noise levels and underwater performance led to revisions in the design and only a single boat was ever built to the original specification.

Improvements led to the specification for the Type 039G, which became the bulk of production. Elimination of the stepped design for the conning tower is the primary visual cue for identification of the G variant. This class has two versions: the original Type 039, Type 039G. The most obvious visual difference between the two types is the conning tower. The Type 039's conning tower is stepped, rising aft. In an effort to shrink the submarine's acoustic signature, the Type 039G's conning tower was given a more conventional shape without any step.

Weapons:
Primary weapon for the Type 039 is the 533 mm Yu-4 torpedo, a locally produced passive homing 40-knot (74 km/h) torpedo based on the SAET-50 and roughly comparable to the SAET-60. Surface targets may be attacked at up to 15 km. Yu-6 wire-guided torpedoes may also be used for targeting submarines. It is also likely that the Type 039 is capable of carrying the YJ-82 anti-ship missile, a cruise missile which can be launched from the same tube as the boat's torpedoes, and can target surface vessels at up to 80 km. The missile is subsonic and carries a 165 kg warhead. For mining operations, in place of torpedoes, the submarine can carry 24 to 36 naval mines, deliverable through the torpedo tubes. The general designer of the torpedo and missile launching system is Mr. Sun Zhuguo (孙柱国, 1937-), and the launching system is compatible with AShM, ASW, torpedoes of both China and Russian/Soviet origin.
Although Type 039 has successfully test fired the CY-1 ASW Missile under water like the Yuan-class submarine, the status of the missile is in question because nothing is heard about it entering mass production. The CY-1 ASW missile has a maximum range of 18 km (10 nm).

Sensors:
The main sensor is the medium-frequency sonar mounted in the bow of the submarine, with passive and active modes, which is used for both search and attack. In addition, the system offers a method of underwater communications, and also functions as a torpedo approach warning system. This sonar is the Chinese development of French Thomson-CSF TSM-2233 sonar, and is capable of simultaneously tracking 4 to 12 targets depending on the function it is used for. To enhance passive search capabilities, a low frequency sonar of French Thomson-CSF TSM-2255 design is mounted on the flanks of the hull, with a maximum range in excess of 30 km and capable of simultaneously tracking four targets. The system is further enhanced with the integration of a domestic Chinese passive ranging sonar on board, designated as H/SQG-04 sonar. For surface search, a small I-band radar is fitted.

This class is the first Chinese submarine to be fitted with an integrated electronic support measures / radio direction finder / radar warning receiver system designated as SRW209 Submarine Radar Reconnaissance Equipment, which works at S - Ku bands with 100% detection rate. The SRW209 is fully automatic and can be either operated by a single operator with a console with a color CRT (which can be replaced by LCD) display console, or linked to the combat data system, which is capable of tracking multiple targets.

source: wikipedia

images

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