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The YJ-7 (Chinese: 鹰击-7; pinyin: yingji-7; lit. 'Eagle Strike 7') is a Chinese subsonic anti-ship missile. It is manufactured by the Third Academy of the China Aerospace Science and Industry Corporation (CASIC).[3] The export version of the YJ-7 is the C-701.[1]

Key Information

History

[edit]

The radar-guided C-701 was displayed by the China Precision Machinery Import-Export Corporation (CPMIEC) at the 2004 China International Aviation & Aerospace Exhibition.[4] Although the missile was developed by the China Aerospace Science and Industry Corporation, Iran's Aerospace Industries Organisation (AIO) claimed presented the missile as a national program.[5]

In April 2006, it was reported that radar-guided C-701s were fired during Iranian military exercises.[4]

Variants

[edit]
  • YJ-7
  • C-701 AR: Export version with active radar seeker[1]
  • C-701T: Export version with electro-optical seeker[1]
  • FL-10: "Cheaper version" of the C-701[6]
  • Kowsar: Iranian version of C-701[2]

Operators

[edit]
Map with C-701 operators in blue

Current operators

[edit]
 Iran
 People's Republic of China

See also

[edit]

References

[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

YJ-7

View on Grokipedia
from Grokipedia
The YJ-7 (鹰击-7; pinyin: Yīngjī-7; lit. 'Eagle Strike-7') is a lightweight, subsonic anti-ship and land-attack cruise missile developed by the People's Republic of China and manufactured by the Third Academy of the China Aerospace Science and Industry Corporation (CASIC).[1] Designed for versatility, it can be launched from air, naval, and ground platforms, with a maximum range of 25 kilometers, a 30.5 kg semi-armor-piercing high-explosive warhead, and guidance options including electro-optical and active radar seekers.[1] The export variant, designated C-701, features interchangeable seeker heads for television or infrared homing, enabling precision strikes against surface vessels and coastal targets at speeds up to Mach 0.8.[2] Introduced in the late 1990s, the YJ-7/C-701 emphasizes affordability and integration with smaller platforms, such as unmanned aerial vehicles and fast attack craft, distinguishing it from larger Chinese anti-ship systems like the YJ-12.[3] Primary operators include the People's Liberation Army Navy and Air Force, with exports confirmed to Iran, where it equips fast boats and shore batteries under designations like Kowsar.[4] Reports indicate transfers to Hezbollah, which allegedly employed the missile—possibly an Iranian copy—to damage the Israeli corvette INS Hanit during the 2006 Lebanon War, highlighting its role in asymmetric naval warfare despite debates over the exact variant involved.[4][5][6]

Development

Origins and Initial Design

The YJ-7 anti-ship missile originated in the late 1980s amid China's efforts to indigenously develop lightweight, cost-effective weapons for smaller naval and air platforms, including fighter aircraft, helicopters, and patrol boats, to enhance tactical anti-surface strike capabilities without relying on larger, more expensive systems. The project addressed gaps in the People's Liberation Army Navy's arsenal for precision engagements against coastal and littoral targets, prioritizing modularity and affordability over extended range or supersonic performance. Development was led by the Third Academy of the China Aerospace Science and Industry Corporation (CASIC), a state-owned entity established in 1961 and specialized in cruise missile research, design, and production.[7][8] Initial design work emphasized a compact, subsonic configuration powered by a solid-fuel rocket motor, enabling launches from constrained platforms while maintaining structural simplicity for mass production. The baseline concept incorporated interchangeable guidance options—primarily active radar homing for autonomous terminal acquisition, with electro-optical and television variants for operator-in-the-loop control in scenarios requiring visual discrimination amid decoys or civilian shipping. This approach reflected pragmatic engineering trade-offs, balancing seeker accuracy against the limitations of subsonic flight profiles vulnerable to countermeasures, and positioned the YJ-7 as a counterpart to systems like the U.S. AGM-65 Maverick in scale and role.[9][10] The export-oriented C-701 variant, managed through the China Precision Machinery Import-Export Corporation (CPMIEC), marked the design's public debut at the Zhuhai International Aviation and Aerospace Exhibition in November 1998, where it was showcased in air-launched and surface configurations to attract foreign interest. Subsequent flight testing of prototypes began around 2002, validating core aerodynamic and propulsion elements prior to serial production and integration into Chinese service.[11][12]

Production and Manufacturer Details

The YJ-7 anti-ship missile is manufactured by the Third Academy of the China Aerospace Science and Industry Corporation (CASIC), known alternatively as the China Haiying Electro-Mechanical Technology Academy (CHETA).[13] This state-owned entity functions as CASIC's principal research, development, and production hub for anti-ship cruise missiles.[13][1] Established in 1961, the Third Academy has designed and developed over 20 types of cruise missiles, contributing to China's indigenous missile capabilities since the early post-liberation era.[1] Production of the YJ-7 occurs within dedicated facilities under CASIC, which has publicly showcased a complete anti-ship missile assembly line capable of handling the lightweight YJ-7/C-701 series for both domestic and export needs.[14] While specific production volumes and timelines for the YJ-7 remain classified, the missile's integration into People's Liberation Army platforms indicates serial manufacturing scaled to operational requirements, with export variants marketed through the China Precision Machinery Import-Export Corporation (CPMIEC).[11] The Third Academy's role underscores CASIC's centralized control over precision-guided munitions, prioritizing modular designs for diverse launch platforms.[13]

Design and Technical Features

Physical and Performance Specifications

The YJ-7 missile measures 2.5 meters in length and 0.18 meters in diameter.[15] [11] It has a launch weight of approximately 117 kg.[7]
SpecificationValue
Warhead29-30.5 kg semi-armor-piercing high explosive[7][15]
EngineSolid rocket motor[15]
Maximum speedMach 0.8 (subsonic)[15]
Operational range25 km[7][15]
These parameters position the YJ-7 as a lightweight, short-range anti-ship weapon suitable for tactical engagements against smaller vessels.[11] Variations in reported weights, such as 100 kg in some analyses, may reflect different guidance variants or measurement methodologies.[15]

Guidance, Propulsion, and Warhead

The YJ-7 employs terminal guidance via seeker heads that enable precision targeting of surface vessels, with options including electro-optical systems (television or infrared imaging) for daylight or clear-weather operations and active radar homing (millimeter-wave) for all-weather capability. Export variants of the missile, such as the C-701T, utilize electro-optical seekers, while the C-701 AR features active radar guidance; the domestic YJ-7 incorporates comparable technologies tailored for People's Liberation Army requirements.[16][9] Propulsion is provided by a solid-fuel rocket motor, which propels the missile to subsonic speeds reaching Mach 0.8 at low altitudes of 15-20 meters to evade detection. This unpowered boost-glide profile suits short-range engagements, yielding effective ranges of 15-25 kilometers from air, surface, or coastal launches, with no sustained turbojet required due to the lightweight design.[15] The warhead is a 30 kg high-explosive semi-armor-piercing type equipped with a time-delay fuze, optimized to penetrate hulls of small to medium displacement ships (up to 1,000-3,000 tons) before detonating internally for maximum structural damage. This payload balances the missile's 117 kg total mass, prioritizing lethality against fast attack craft over larger warships.[2][17]

Variants

Domestic YJ-7

The YJ-7 represents the indigenous variant of the lightweight, subsonic anti-ship cruise missile (ASCM) developed by the Third Academy of the China Aerospace Science and Industry Corporation (CASIC) exclusively for integration into People's Liberation Army (PLA) platforms. Designed for precision strikes against surface vessels in littoral environments, it supports anti-access/area-denial (A2/AD) strategies through its compatibility with compact launch systems on small attack craft, helicopters, and mobile coastal batteries. Guidance employs electro-optical or active radar seekers for terminal homing, with electro-optical variants emphasizing the domestic configuration's focus on over-the-horizon targeting in contested waters.[1][18] Key technical specifications include a total mass of approximately 117 kg, a high-explosive semi-armor-piercing warhead weighing 30.5 kg, and a solid rocket motor providing subsonic propulsion (Mach 0.8–0.9). The missile achieves a maximum effective range of 25 km, with a length of about 2.1 m and diameter of 0.18 m, enabling multiple-unit salvos from constrained platforms without compromising stability.[1][18]
ParameterSpecification
Mass117 kg
Warhead30.5 kg HE semi-AP
Range25 km
SpeedSubsonic (Mach 0.8–0.9)
GuidanceElectro-optical / active radar
PropulsionSolid rocket
PlatformsAir, surface, ground
Within the PLA Navy (PLAN), the YJ-7 equips helicopters such as the Z-8 (with up to 40 units in service) and Z-9C (up to 25 units), facilitating rapid-response anti-surface operations from Type 022 fast-attack craft and land-mobile launchers for coastal defense. Its deployment enhances the PLA's layered missile architecture by providing short-range, high-volume fire support against amphibious or escort vessels, though production emphasis has shifted toward longer-range successors like the YJ-83 in recent inventories. Specific operational testing dates and inventory numbers remain undisclosed in open sources, reflecting standard PLA opacity on tactical munitions.[18]

Export C-701 and Related Models

The C-701 designates the primary export configuration of the YJ-7 lightweight anti-ship missile, produced by the Third Academy of China Aerospace Science and Industry Corporation (CASIC).[18] Marketed through the China Precision Machinery Import-Export Corporation (CPMIEC), it targets small vessels displacing up to 180 tons, such as fast attack craft and patrol boats, with a compact design enabling deployment from helicopters, small ships, coastal batteries, and light aircraft.[11] Specifications include a launch weight of 117 kg, length of 2.5 meters, range of 25 km, subsonic speed (Mach 0.8), and a 30.5 kg semi-armor-piercing high-explosive warhead.[18][11] Export variants encompass the C-701T, employing television or electro-optical guidance for terminal homing, and the C-701 AR, featuring an active radar seeker for all-weather operations.[18] These differ from some domestic models by offering interchangeable seeker options tailored for foreign customers' platforms and operational needs, with the electro-optical variants relying on clear weather for visual acquisition.[18] The missile's first public unveiling occurred at the Zhuhai Air Show in 1998, followed by further displays emphasizing its versatility as both anti-ship and potential air-to-surface weapon.[11] Confirmed exports include sales to Iran, where approximately 40 C-701 missiles were delivered in 2004, alongside earlier shipments in 2002 equipping patrol boats capable of carrying up to eight units each.[19][20] Iran tested a radar-guided C-701 variant during military exercises in 2006, demonstrating integration with local systems.[14] Iranian defense industries subsequently reverse-engineered the design, producing derivatives like the Kowsar short-range anti-ship missile.[21] Reports also suggest transfers to non-state actors, including Hezbollah, though quantities and timelines remain unverified.[22] No large-scale proliferations to other state operators, such as Pakistan or Sudan, have been publicly confirmed, despite occasional mentions of prospective interest.

Deployment Platforms

Air-Launched Configurations

The YJ-7 missile supports air-launched operations from both rotary-wing helicopters and fixed-wing ground-attack aircraft, providing tactical anti-surface capabilities against small to medium naval vessels within its effective range of approximately 15-25 kilometers.[11] This configuration leverages the missile's lightweight design, weighing around 118 kilograms, for integration onto underwing or underfuselage hardpoints without significantly compromising platform maneuverability.[23] Helicopter launches typically occur at low altitudes to minimize detection and maximize surprise against littoral targets, with the missile's electro-optical or infrared seekers enabling man-in-the-loop guidance during terminal flight.[11] Fixed-wing deployments allow for higher-altitude releases, extending operational flexibility in coordinated strikes, though the missile's subsonic speed limits its use against fast-moving or defended assets.[23] In export applications as the C-701, the system has been adapted for multirole fighters such as the JF-17 Thunder, where it serves in precision strikes against maritime threats, underscoring its role in asymmetric naval warfare scenarios.[11] Chinese domestic integrations remain primarily associated with naval aviation assets, though specific platform details are not publicly detailed in open sources.[23]

Surface and Coastal Launch Systems

The YJ-7 missile supports surface-ship launch configurations, primarily from smaller naval platforms such as patrol boats and fast attack craft, leveraging its compact dimensions—approximately 2.5 meters in length and 118 kg in weight—to enable integration on vessels with limited deck space or launch systems.[18][1] These deployments facilitate rapid anti-surface strikes against lightly defended targets like small warships or merchant vessels within a range of about 25 km.[18] In coastal defense roles, the YJ-7 employs ground-based launchers, including mobile truck-mounted systems that allow for dispersed and relocatable positioning to enhance survivability against counter-battery fire or preemptive strikes.[1] Such setups integrate the missile into layered coastal networks, where electro-optical or active radar seekers guide it to subsonic terminal flight against coastal threats, though its short range limits it to littoral denial rather than extended blue-water interdiction.[18] Chinese assessments emphasize its role in asymmetric scenarios, prioritizing volume of fire from multiple low-cost launchers over individual missile sophistication.[1]

Operators

Primary Operator: People's Liberation Army

The YJ-7 serves as the domestic designation for a lightweight, subsonic anti-ship cruise missile developed for integration into People's Liberation Army (PLA) platforms, primarily targeting small surface vessels such as patrol boats and fast attack craft within littoral zones.[24] Produced by the Third Academy of the China Aerospace Science and Industry Corporation (CASIC), it employs television or infrared guidance for terminal homing, enabling precision strikes from air-launched, surface vessel, or coastal battery configurations.[18] The missile's compact design—approximately 2.5 meters in length and weighing around 100 kg—facilitates deployment on smaller assets, including helicopters like the Z-8 variant and fixed-wing aircraft, augmenting the PLA's tactical anti-surface warfare options.[18] While the YJ-7 enhances the PLA's arsenal for short-range engagements (15-20 km), its role remains niche amid the prioritization of longer-range, more advanced systems such as the YJ-83 and YJ-12 across PLA Navy (PLAN) and Air Force (PLAAF) units.[24] Publicly available assessments indicate limited frontline adoption within the PLAN, potentially confining its use to secondary roles or reserve forces, though exact inventory numbers and operational distribution remain classified.[25] This reflects broader PLA trends toward hypersonic and supersonic missiles for high-end threats, relegating lighter systems like the YJ-7 to asymmetric or export-oriented paradigms.[24]

Export Operators and Proliferation

The C-701, the export variant of the YJ-7 anti-ship missile, has been primarily acquired by Iran through transfers from China, with the China Precision Machinery Import-Export Corporation (CPMIEC) facilitating sales.[14] Iran tested the C-701 during military exercises, integrating it into its asymmetric naval capabilities.[14] Iran's navy employs the C-701 on platforms such as Peykaap II-class missile boats, often in the form of the domestically produced Kosar variant, which is derived from the Chinese design and features a range of approximately 20 km.[26] This adaptation allows for short-range coastal defense and swarm tactics against surface vessels.[26] Proliferation of the C-701 extends beyond state actors, with reports indicating transfers to Hezbollah, enabling non-state use in regional conflicts.[22] Iran has reverse-engineered the missile technology, producing indigenous versions like the Kosar, which supports its broader missile development and potential further dissemination to proxies.[27] These developments raise concerns over technology diffusion in the Middle East, though verified recipients remain limited primarily to Iran.[22]

Operational History and Assessments

Domestic Chinese Use

The YJ-7 missile, the domestically designated variant of the export C-701, has been deployed by the People's Liberation Army Navy (PLAN) since the early 2000s primarily for short-range anti-ship engagements from small attack craft and mobile land-based coastal batteries.[14] Its lightweight design, with a reported range of approximately 25 kilometers and subsonic speed, enables integration across air, surface, and ground launch platforms, supporting tactical strikes against smaller surface vessels in littoral zones.[2] In PLAN exercises, the YJ-7 contributes to integrated anti-access/area-denial (A2/AD) training, simulating salvo fires against opposing naval forces, though specific test data or strike outcomes remain classified and publicly unreported.[18] Defense analyses assess its electro-optical/infrared seeker as effective for terminal guidance against maneuvering targets in cluttered coastal environments, but its limited range and vulnerability to electronic countermeasures constrain it to secondary roles behind longer-range systems like the YJ-83 or YJ-12.[2] No confirmed instances of combat employment by Chinese forces exist, reflecting its primary utility in peacetime deterrence and force projection exercises around key maritime chokepoints such as the Taiwan Strait and South China Sea.[18] Upgrades to seeker precision and platform compatibility have sustained its relevance in the PLAN's evolving missile arsenal, despite transitions toward hypersonic and extended-range alternatives.[2]

Foreign Deployments and Combat Instances

The export variant of the YJ-7, designated C-701, has been supplied to Iran, where it equips Islamic Revolutionary Guard Corps (IRGC) patrol boats such as the Zafar-class and coastal defense sites, including potential bases at Bandar Abbas and Bandar Lengeh.[28] Iran's acquisition included testing of the C-701 during joint military exercises with China in the early 2000s, enhancing its asymmetric naval capabilities for targeting smaller vessels like fast attack craft.[29] The primary documented combat instance involving the C-701 occurred on July 14, 2006, when Hezbollah forces, operating Iranian-supplied copies of the missile, launched an attack on the Israeli Navy corvette INS Hanit off the Lebanese coast during the Second Lebanon War.[5] The strike damaged the ship's helicopter deck and radar systems, killing four crew members and wounding others, though the vessel remained operational and returned to port under its own power; Israeli Defense Forces assessments attributed the attack to a combination of C-701 and C-802 missiles or their Iranian variants.[30] No other verified combat uses of the C-701 by foreign operators have been publicly confirmed, though Iran's proliferation to proxies like Hezbollah underscores its role in regional low-intensity maritime conflicts.[5]

Capabilities, Limitations, and Strategic Role

The YJ-7 possesses a maximum range of 25 kilometers, subsonic flight speed, and a 30.5 kg high-explosive semi-armor-piercing warhead, with a total launch weight of 117 kg.[18][1] Guidance systems include electro-optical (television or imaging infrared) or active radar seekers, allowing for terminal homing on surface targets.[18][1] These attributes enable deployment from air platforms such as helicopters (e.g., Z-9 or Z-8), small surface vessels, coastal batteries, and potentially fixed-wing aircraft, facilitating multi-domain launch options.[18] Key capabilities encompass high maneuverability for evading point defenses and compatibility with over-the-horizon targeting cues, enhancing accuracy in cluttered littoral environments.[18] The missile's compact size supports integration on lightweight platforms, enabling swarming tactics by fast attack craft or unmanned systems to overwhelm individual targets.[18] However, limitations include vulnerability to electronic countermeasures due to reliance on electro-optical or radar seekers, which can be jammed or decoyed, and insufficient kinetic energy from subsonic speeds to penetrate advanced warship protections reliably.[18] The small warhead restricts effectiveness against large, armored combatants like destroyers or carriers, confining utility to corvettes, patrol boats, or unarmored auxiliaries.[18] Dependence on proximate launch platforms further exposes operators to counter-detection and preemptive strikes. Strategically, the YJ-7 bolsters the People's Liberation Army's tactical anti-access/area denial in near-shore zones, augmenting distributed lethality for coastal defense and archipelago operations.[18] By equipping smaller assets with standoff strike potential, it contributes to saturating adversary sensors and defenses in asymmetric scenarios, deterring amphibious incursions or merchant interdiction.[18] In export contexts as the C-701, it equips proliferated forces for similar maritime denial roles, amplifying non-state or regional actors' ability to challenge superior navies through massed, low-cost salvos.[18] Overall, while not a blue-water decisive weapon, its role emphasizes force multiplication in high-threat littorals over long-range power projection.[18]

References

  1. [PDF] Assessing Chinese Cruise Missile Developments - DTIC
  2. [PDF] A Low-Visibility Force Multiplier: Assessing China's Cruise Missile ...
  3. [PDF] China Missile Chronology - The Nuclear Threat Initiative
  4. [PDF] Defence industries in Russia and China:
  5. How Ship-Killing Missiles Keep Back the U.S. Navy in the Middle East
  6. Israel tests 'naval Iron Dome' - JNS.org
  7. Modern Chinese anti-ship missiles of foreign origin - Military Review
  8. CASIC Third Academy China Haiying Electro-Mechanical ...
  9. PLA Cruise Missiles / PLA Air - Surface Missiles - Air Power Australia
  10. C-701 | Military Wiki - Fandom
  11. C-701 - GlobalSecurity.org
  12. C-701 anti-ship missile could counter Aegis ships, says China
  13. A Potent Vector: Assessing Chinese Cruise Missile Developments
  14. [PDF] China Missile Chronology - The Nuclear Threat Initiative
  15. C-701 - GlobalSecurity.org
  16. https://ndupress.ndu.edu/Portals/68/Documents/books/force-multiplier.pdf
  17. C-704 air-to-ship missile - GlobalSecurity.org
  18. [PDF] A Low-Visibility Force Multiplier: Assessing China's Cruise Missile ...
  19. Iran & China: Military Ties
  20. Iran: Arms and Weapons of Mass Destruction Suppliers
  21. [PDF] Chinese Weapons Sales to the Middle East - INSS
  22. China's Re-emergence as an Arms Dealer: The Return of the King?
  23. C-701 anti-ship missile - Weapons - Military Periscope
  24. [PDF] A Potent Vector: Assessing Chinese Cruise Missile Developments
  25. Anti-Ship Missiles - China Defence Today
  26. Iran's Asymmetric Use of Conventional Military Capabilities
  27. China-Iran Missile connection | Key Aero
  28. [PDF] The Iranian Sea-Air-Missile Threat to Gulf Shipping
  29. [PDF] China Missile Chronology - The Nuclear Threat Initiative
  30. [PDF] Cruise Missile Attacks on USS STARK (FFG-31) and - NavWeaps
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