D
Missile ForcesChina

HY-4 (SSC-7 Sadsack)

Short-range anti-ship cruise missile chinese short-range anti-ship cruise missileFielded 1983Pending verification
Missile ForcesCHN
Identification silhouette. Not drawn to scale between entries.
Fact cardConfidence · Source
System
TypeShort-range anti-ship cruise missile chinese short-range anti-ship cruise missile
Date of introduction1983
ProliferationAt least 2 countries
Variants
HY-1Basic developmental version developed from the SY missiles, used only in very small numbers as land-to-ship missile for evaluation purposes. Did not enter series production and was replaced by HY-1J.[1]
HY-1JShip-to-ship variant for Type 051 DDG[1]
HY-1JAImproved ship-to-ship variant with a new radar seeker for better anti-jamming capability and accuracy[1]
HY-1ALand-to-ship variant based on the HY-1JA[1]
HY-1BLow level target drone for the test of HQ-2A SAM[1]
HJ-1YBTarget drone for the test of HQ-61 SAM[1]
Weapons and payload options · 1Confidence · Source
HY-4; NATO: SSC-7 SadsackAnti-Ship Cruise Missile
Med[1]
Range
500 km311 mi · 270 nmi
Type
Anti-Ship Cruise Missile
Warhead
Shaped charge high explosive
Warhead weight
513 kg
Speed
Mach 0.8 – 0.85
Length
7.36 m
Summary

The HY-4 (SSC-7 Sadsack) Chinese Short-Range Anti-Ship Cruise Missile development of the C-201 is a mid-range ground-, air-, and ship-launched cruise missile.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
ChinaBangladesh
Sources
  1. HY-4 (SSC-7 Sadsack) Chinese Short-Range Anti-Ship Cruise Missile Chinese Short-Range Anti-Ship Cruise Missile, U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)
    Published/updated 2026-03-20 · Tier 1 · checked 2026-10-10
Change log
  • 2026-10-10 Entry created from the Worldwide Equipment Guide (ODIN), bulk import