Type 730

Type 730
Name	Type 730
Origin	People's Republic of China
Type	Close-in weapon system
Service	2006–present
Used by	People's Liberation Army Navy; Export customers
Designer	China State Shipbuilding Corporation
Design date	1990s–2000s
Manufacturer	China North Industries Corporation; China Shipbuilding Industry Corporation
Production date	2000s–present
Weight	5–6 tonnes (turret)
Caliber	30 mm
Action	Revolving cannon
Rate	4,200–5,800 rounds/min (combined barrels)
Velocity	980–1,050 m/s
Feed	Dual 500–1,000 round magazines

Type 730 is a naval close-in weapon system developed by the People's Republic of China for point defense against anti-ship missiles, aircraft, and small surface threats. It entered service with the People's Liberation Army Navy and has been fitted to destroyers, frigates, corvettes, and auxiliary vessels. The system emphasizes automated detection, tracking, and high-rate-of-fire engagement integrated with shipboard sensors and combat networks.

Design and development

The program originated during the 1990s when the People's Liberation Army Navy sought to replace legacy systems with an automated short-range defense similar in role to the Goalkeeper CIWS, Phalanx CIWS, and AK-630. Development involved organizations such as China North Industries Corporation, China Shipbuilding Industry Corporation, and research institutes affiliated with the Academy of Sciences of the People's Republic of China and the People's Liberation Army Academy of Military Sciences. Design goals included rapid traverse and elevation, autonomous optical and radar tracking, electro-optical directors comparable to systems by Thales Group, Lockheed Martin, and Rheinmetall. Prototypes underwent sea trials alongside ships from the People's Liberation Army Navy South Sea Fleet and North Sea Fleet, with iterative testing influenced by lessons from the Gulf War, Falklands War, and exercises with platforms similar to the Type 052D destroyer and Type 054A frigate.

Technical specifications

The turret houses a seven-barrel 30 mm rotary cannon driven by an electric-hydraulic linkage, with a practical rate of fire designed to match engagement envelopes described in reports on anti-ship missile salvos such as those analyzed after the Exocet attacks and Operation Desert Storm. Mounting mass, traverse speed, and elevation parameters were balanced for displacement classes including Type 052B destroyer and Type 056 corvette. Sensor payloads combine X-band or Ku-band radar arrays and electro-optical sensors compatible with navigation suites used on Liaoning (16), Hainan, and export frigates derived from Karel Doorman-class frigate designs. Electrical power and cooling follow standards similar to those employed by Bofors 40 mm installations and integrate magazine sizes and fuze types in line with ordnance practices observed with Oerlikon systems.

Combat systems and integration

Integration ties the weapon to combat management systems similar in architecture to those by Northrop Grumman, Saab Group, and Rosoboronexport-supplied suites on foreign platforms. Targeting data can originate from shipborne radars comparable to Type 346 radar and cooperative sensors including helicopter-borne radars such as those on Harbin Z-9 variants and networked linkages comparable to Link 16-style tactical data exchange. Engagement doctrines draw on procedures developed in studies alongside platforms like USS Arleigh Burke (DDG-51), HMS Daring (D32), and INS Kolkata (D63), emphasizing layered defense and rapid transition from long-range missile interceptors to gun-based point defense.

Operational history

Service introduction in the early 2000s led to deployment aboard modern Chinese surface combatants participating in patrols near the South China Sea, exercises with the PLAN fleets, and goodwill visits to ports such as Zhanjiang, Qingdao, and Sanya. The system has featured in naval exercises with platforms resembling the Type 071 amphibious transport dock and has been evaluated during multinational exercises involving contact scenarios similar to those in RIMPAC and Malabar. Exported examples served under navies whose fleets include vessels comparable to MEKO designs and influenced indigenous upgrades in countries operating Sovremenny-class destroyer derivatives.

Variants and upgrades

Subsequent marks introduced improvements in sensors, fire-control algorithms, and magazine capacity paralleling incremental upgrades seen in Phalanx CIWS Block 1B and Goalkeeper Block 1 programs. Variants tailored for export incorporate integration options for combat systems supplied by Thales or Finmeccanica-era platforms, and lightweight versions have been adapted for patrol vessels akin to Visby-class corvette roles. Modernization efforts have explored incorporation of programmable airburst ammunition similar to developments in United States Navy close-in systems and software upgrades influenced by research from institutions like the National University of Defense Technology.

Operators and deployment

Primary operator remains the People's Liberation Army Navy, with installation across classes such as Type 052C destroyer, Type 052D destroyer, Type 054A frigate, and Type 056 corvette. Foreign operators have included navies that procure Chinese-built ships or retrofitted classes comparable to Al-Ofouq-class corvette and export frigates to nations participating in procurement patterns like Pakistan Navy and others with historical ties to China–Pakistan relations. Deployment patterns reflect mission sets observed in patrols in waters proximate to Taiwan Strait and multinational peacekeeping or anti-piracy missions near Gulf of Aden.

Comparable systems and evaluation

Comparable systems include the Phalanx CIWS, Goalkeeper CIWS, AK-630, Millennium Gun, and Oerlikon Millennium 35 mm. Evaluations contrast factors such as sensor fusion, automated engagement latency, ammunition types, and maintenance cycles similar to performance assessments conducted by analysts comparing Type 052B escorts and Arleigh Burke-class destroyer escorts. Observers from institutions like the International Institute for Strategic Studies and think tanks informed by studies from RAND Corporation have published analyses contrasting origins, industrial base, and export trajectories versus Western and Russian counterparts.

Category:Naval artillery Category:Close-in weapon systems