Number or "guns" on air units

[Bernard]

Cheers for the previous advice. Here's my next dumb technical question...

I have been trying to create Incendiary FFARs, using 2x2.75cm FFAR from USMC OOB as a basis. If I use Napalm or infantry flame as a unit class, with Warhead size 3, they are devastating when HE kill is set to zero.

Is this a game bug, because with these unit classes they have always got <50% hit chance when fired from a helo with Fire control 4, even at 10 hexes range? They can sometimes kill a 12 man mortar squad with one shot.

I have checked out MOBHack help but cannot find any clue to the why this is.

Thanks as always for answering these dumb questions.