Of all the maneuvers that a fighter pilot can attempt, manual weapons delivery is probably the toughest to master. The ballistics problem is significant in itself, and on top of that is the negative effect that pilot error can cause.
Manual weapons delivery is a challenge. Hats off to HTC for bringing this event to AH!
As always in our simulations, there will be the question of just how far the sim goes in replicating the real world. I'm no expert on AH, so I'll leave this for others to decide.
What I can do is suggest you folks learn a little about the requirements of manual weapons delivery...bombing, rocketry, and gunnery. In that way, you can appreciate the magnitude of the problem ahead of you as you roll in on your next target.
This article explains the manual weapons delivery problem in a simplified manner.
http://www.simhq.com/simhq3/sims/air_combat/atgbasics/atgbasics.shtml