Great, i'm basically relegated to a lot of guess work and hypothetical stuff on how well Masurca will intercept incoming threats lolFor the Masurca - we will probably never know how good or bad it was, since it seems it was never used as in a shooting war. It has a edge vs. Sea Dart with regard to the warhead size, while Sea Dart looks as a much more 'realistic' missile, at 1/4 or weight, and comparable kinematic performance.
The much-improved Sea Dart Mod 3 is too late for your new timeline.
JEEZ. Talk about bad luck there...Word is that the Pilots were told that because the missile fired in pairs a couple of seconds apart - the first missile destroying the plane and if the pilot ejected the 2nd missile hits the next largest target - the pilot.