They are going to make few units for export as 30 export units have been ordered 10 for one country and rest 20 for another and PAF might also induct few more sqn then..!!
Block I production is finished the block I which were made will be upgraded to block II standard probably in 2018 it will...
As i said Block II is in SBP now after 30 block III PAC will come back to block II and will produce for export too, As per March 2016 Block III is to be ready and here in PAC kamra they are working day and night.
ASSLAM O ALEKUM
That "SP21" is not (plane number 21) these are codes given according to production sequence of the jet "SP21" means Serial Production 21 like others are SBP which are Small batch production which only have word "P" in their numbers
Jf-17 block 2 is in SBP it is in Small Batch...
Yes block 3 is confirmed but there is no major Air frame redesign as there was news that block III will have a redesigned air-frame. The composites are improved in air frame it will lift more weight avionics are very much improved but no twin rudder design not even new engine PAC is continuing...