1st PNS Azmat was built in China
2nd PNS Deshat was build as per Chinese design but only build in Pakistan(
source)
3rd PNS Himat was the first one which was based on changes in the original design done by MTC but those were limited changes mainly related to Weapon and sensors and if I am wrong indigenous CBM, from construction commissioning in Pakistan Navy of PNS Himmat took only
24 months the
Keel Laying ceremony of 3rd FAC(M) was held
11 Aug, 2015 while its
Commissioning ceremony held
28 July, 2017
4th is the first indigenously design FAC which mean it have design change as per PN change requirements and took
approximately 35 months.
- Its
Steel Cutting Ceremony was held 29 Dec 2016.
- Its
Keel Laying Ceremony was held 30 Mar 2017.
- Its
Launching Ceremony is held today 27 Nov, 2019.
But as of now
its not Commissioned in Pakistan Navy .....
Now keep in mind its the first time we are Claiming Design Changes as highlighted in the below quoted part
source