Answer should be Offshore Patrol Vessels since they are chosen by Navy.
According to Dear
@Anmdt our Navy likes larger and bigger ships rather than they are supposed to be.
I would like to really know what is the disadvantages our Istif Class over Korean Hanwha Ocean 40 frigate which won the Thai Navy's bid. Korean ship weights 4000ton. It could be the reason?
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BTW the ship has 2 x Mistral addition to VLS.
We know how capable South Korean naval vessels ndustry and ship building industry is.
But to buy a number of frigates, potentially 3billion dollars in value, without even seeing a built example, but from a drawing, is interesting.
Yes the ship is 124m in length and 4000ton class. Beam is supposed to be 14metres and draft around 4.3m.
It has 16 x single cell VLS system. Each Mistral Simbad RC system hold 2 to 4 missiles. they are very accurate. But it has a max engagement range of 8km and 6km altitude. It is similar to RAM block 1 with less missiles’s.
A 4000ton ship with 8 x AShM (2 sets of 4 missiles for each launcher system) is really below what it should have.
When firing in saturation mode or defending, the ship will expend missiles very quickly.
VL Mica with 60-80 km range and 9km max altitude is single packed. Most naval chiefs would prefer quad packed ESSM-2 s when defending and firing multiple missiles.
As far as I can see, it is an under gunned but elongated version of an İstif ship. But if your navy is already using similar weapons and there is synergy between what you have and what you are getting, then it may be the right choice.