The advantage of self-contained system (meaning radar integrated) is usually own processing power reducing latency and therefore improving reaction time, correct?HQ-17/Tor-M1 is a masterpiece. There was an exercise where a Tor-M1 vehicle was placed on the helo deck of a frigate, possibly the Admiral Gorshkov. The exercise has antiship missiles fired towards the frigate. The Tor-M1 vehicle on the helo deck acquired the targets and popped them out of the sky. I am in a biased opinion that these two systems are the best SHORAD out there right now.
Let's say if you develop an HQ-10 for land use.
Let's simplify the system by deleting the two horns and the passive RF homer. For the weight of all that, you have deleted, let's trade it for an increase in warhead weight.
Unlike the HQ-17, the HQ-10 can't be launched off vertically. You have to launch it off from a slant on a back of a truck, like the HQ-6. It would probably work within the context of an HQ-6 battery. Another way is to mount the Type 730 CIWS on a truck, thus the CIWS supplies its own radar. The HQ-10 can be mounted along the sides of the CIWS, ala Kashtan style. So you have a unit that combines gun and missile.
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My observation is that PLA GF is moving away from these lightweight SAMs mounted with guns. We have seen a number of concepts LD-2000 with missiles, PGZ-07 in the factory with SAMs, but I don't think there are any operational photos with them. In addition, there are many export gun/missile combos, but very few operational ones (excluding the older Type-95).
Maybe they have the same conclusion as yourself and HQ-17's performance is simply superior to any of the lightweight SAMs and simply redundant.
I don't have any information on this front, but I imagine that the PGZ-07 and HQ-17 are integrated in a Skyshield/MANTIS type cooperative engagement system.
As an aside, what are the sensors on PGZ-07? (Search/Track/Fire Control)