Don't underestimate the power of a JF-17 Bunder
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Arre yaar, we call it names because we just have to irritate you. Otherwise we Indians have loved the Mig-21 and JF-17 is an adaptation of Mig-21. It may not be as good as you say, but it is good enough to be taken seriously.
But you have to realize the product that IAF nearly rejects (LCAs) is of a level that Ex-IAF test pilots admit is far superior to Mig21s and even Mirages. Hell even the Americans agreed that the F-16 flies better with LCA control laws.
So there has got to be a limit to what you can do with JF-17 without getting molested like those Typhoons, recently.
And mind you the Mig29s represent just as stiff a challenge as Sukhois albiet in the WVR combat.
Mirage upgrades have made them very relevant even in the air to air regime.
Jags were always very good in attack roles and seriously doubt if the JF-17 would better the upgraded Jags in that role.
So in ultimate analysis, what the hell is the pain about.
On my part i agree JF-17 is a good buy for Pakis. Probably even for Bangladeshis. But there are limits.