Weight of the warhead has non-linear effect on the maximum miss distance the missile can approach the target, and still achieve kill. Do not forget, that the OSA missile can pull more g's during engagement, than the older missiles...
Hpasp Free SAM Simulator, "Realistic to the Switch" (U-2 over Sverdlovsk, B-52's over Hanoi, F-4 Phantoms over the Sinai, F-16's and the F-117A Stealth bomber over the Balkans.) http://sites.google.com/site/samsimulator1972/home
