User blog comment:SlashZero/Spring 2016 E-7 Hard Pre-final & Boss Farming Composition/@comment-25114063-20160524064101/@comment-861160-20160525040836

You want about 230 air power to have 216 air power left by the time you hit J node, because there are two air battles at E and G which will shave some off on the way. The boss node doesn't really matter because as long as you don't put no fighters in your bases you should whittle their AFP down significantly through 6 land base attacks before your fleet launches planes.