HQ-7

The HQ-7 (NATO reporting name: CH-SA-4) is a short-range surface-to-air missile (SAM) from the People's Republic of China. It was reverse-engineered by the Changfeng Electromechanical Technology Design Institute from the French R-440 Crotale SAM. It entered service in the early 1980s.

A ground battery consists of a short-range radar and three launchers. Each launcher has four or eight missiles.

Variants
Original command-guided version. Naval variant. Improved version. Export version of the HQ-7A. Export version of the HQ-7B. Naval variant of the FM-90.
 * HQ-7A
 * HHQ-7
 * HQ-7B
 * FM-80
 * FM-90
 * FM-90N

Operators
FM-90. HQ-7A, HQ-7B and HHQ-7. FM-80. Produces a mobile version dubbed Herz-9 FM-90 and FM-90N. FM-90.
 * Bangladesh Army: FM-90
 * Bangladesh Air Force: FM-90
 * Bangladesh Navy: FM-90N and HHQ-7.
 * Bangladesh Navy: FM-90N and HHQ-7.