Wow,Google past news from 2015 onwards.
They also claimed the Derby ER provides 80% of the Meteor's range.
Would recommend reading the article.
Now featuring long range performance, I-DERBY ER will allow Rafael to compete with MBDA's METEOR BVR missile at more favourable terms. Rotem claims that Rafael, "can deliver 80% of the range at 50 percent of the price. On top of that I-Derby ER has LOBL capability and it maintains short range performance."
Look at the names on the left.
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With the Meteor's range being 200-250, then 80% of that is 160-200Km.
IAF never ordered Derbys for fighter jets. You are confused with the IN's Sea Harrier. What the IAF did order were the SAMs.
India did not have either the ToT or the permission to integrate non-Russian weapons on the MKI for many years.
Israeli's claim Aim120D is only 50% capable as the Derby ER
You claimed Rafael claims Aim 120D (160km range) only 50% effective as Derby ER;
When asked for a reference , you provide a reference of Derby 80% range of Meteor. 160-200 which is not in any aspect twice of Aim120D. right?