I agree with Scrapulous pretty much with what's stated.
You might want to add Recall Friend, to get other non-flyiers into the Group Fly zone.
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Speed Boost provides a better recharge buff, so if you prefer Kinetics to Radiation, it's a decent option, too. I'm usually in drop teams with my Kin, and I'd rather be able to use Acc Met.
Scrap
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Kinetics is nice, but you can't boost you own speed (AM does everyone) since Siphon Speed has no reasonable target in that zone. So you can only help others. Problem is that there is only one person (maybe two) nearby you. So it's effectively one SB vs two people getting AM. Unless you want to fly around and SB the whole PA team between drops, but that would get old really quick !!!
Practicality.
I don't think you can buff your recharge enough anymore to get PA overlap with a single person (could in the 6 SO days, I believe), so you're stuck with two person teams at each drop point. Once you get enough buffs to get you and your partner to overlap (AM, Hasten) you are about as good as you need to be. A little more overlap with cover your parner getting distracted a bit .... If you get two fast, you'll just have to wait for them to catch up, or you'll shift your drop too early and leave a gap at the other side where they won't be recharged yet.
All this assumed "High" PA dropping. Some people like to Swoop down and make LOW PA drops (not in the 3-4 drop spots), and that's a whole different ballgame. You'd want to start with Fly slotted for speed, for a start. Maybe add some Stun resistance and Heals (does Earth's Embrace work in the air) from the pool powers and Epic sets. I don't do this, but there are a few on Victory that do. Maybe they can give some of their build secrets, if you want to do this ...